Bitcoin: Kryptowährung kaufen, Wallets und Mining - CHIP

I have been depositing small amounts of bitcoin into my wallet for a while Today checked my wallet on the iPhone and all my coins deposited before 28th November are gone and transaction history shows nothing. I moved the little that was left to a paper wallet how can this happen

submitted by paulbermon to mycelium [link] [comments]

How to import a paper wallet to my iPhone? /r/Bitcoin

How to import a paper wallet to my iPhone? /Bitcoin submitted by SimilarAdvantage to BitcoinAll [link] [comments]

Want to print paper wallets from your iphone? /r/Bitcoin

Want to print paper wallets from your iphone? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

just turned an old iphone into a offline cold storage wallet with a neat little paper wallet inside the back

just turned an old iphone into a offline cold storage wallet with a neat little paper wallet inside the back submitted by KillaX9 to Bitcoin [link] [comments]

Fanboyism, maximalism, interoperabilty, working with others and division of time transcript

Hi everybody, this is Charles Hoskinson broadcasting live from warm sunny Colorado.
I wanted to make a video about division of time. I've been recently making a lot of commentary on the ETC ecosystem. I've also reached out to other ecosystems like the Bitcoin Cash ecosystem, the Litecoin ecosystem for a variety of reasons and I noticed that there are some people in the comments and then telegram and twitter and other places say "oh no" focus 100% of your effort on Cardano! Why are you talking to ETC, why are you doing this and doing that?
So first off I run a big company. I we have over 250 people. About half of those people wake up every day and they're involved in Cardano. The other half are not so. As the CEO of a company where you have that kind of division there's non-Cardano things I do. Cardano's our largest project, we're heavily involved in it and obviously we wake up every day and we want Cardano to be successful and have billions of users and this is why we are following the process we're following. We're building the technology we're building. It's why we work very hard trying to commercialize it.
Every deal we do in Africa, every deal we do in eastern Europe, every deal we do in Asia, we have a Cardano first policy of deploying those deals on that platform and we built that platform to service those deals and as that platform evolves you'll see more use and utility from our sales channels in that respect. That said, one of the pillars of a third generation cryptocurrency is interoperability. It's kind of a silly thing to be a maximalist but then also talk about interoperability. What the hell is the point that? Either you want one chain to rule them all and therefore you don't care at all about talking to other systems or you put your money where your mouth is and you work on those other systems. You build expertise in those systems, you affect changes in those systems so that those systems can partner with our systems and work with our systems.
You know the Samsung CEO? He has a division that every day gets up and works with Apple and they work on the motherboards of the iPhone and build memory for them. Do all kinds of cool things and Samsung's division knows what the iPhone is going to look like before any of us knows. At the same time, there's another division at Samsung that wakes up every day and works on phones like the Galaxy to compete with the iPhone. Great companies have the capacity to do these things and we are a great company in that respect we have different and dedicated teams for different products and projects.
Now, we will never work on overlapping systems. It's not the case that we're going to have developers go and work on Cardano and something that's a direct competitor of Cardano because it makes no competitive sense for that to happen and I do not view ETC as a competitor of Cardano. It's a proof-of-work system, not a proof-of-stake system. It's a code-is-law system, not a world-financial operating system. It's a system that will always have a smaller group of people in it and always have a smaller set of things to do so time spent there with a completely separate team has no bearing or impact on our ability to deliver things with Cardano.
I can't accelerate things above and beyond what the teams can do, for example, today. I'm waiting for Daedalus flight to come out. There is nothing I can do. I can't pick up the phone and call the engineers and say can you ship it 15 minutes faster. The plan, it's been set, the release manager is there, the QA, team's there, everybody knows what to do. There's consensus amongst that team. They're going off to the mountain top, get it done and when it's done they'll let me know and then I'll tweet "new Daedalus is out guys" go play with it and it gives me some work to do of course but until they finish their job there's nothing to do in that respect. The Cardano plans we have are well set , we know exactly what we need to do. Those teams are working hard and I do everything in my power to accelerate things where and when it's safe to do so and everything in my power to get things done.
Shelley, for example. We worked so hard to get that out on July 29th, we had almost unlimited overtime. Everyone worked the weekend. Some people worked over 40 days straight to get that release done. Meanwhile half of the company was doing other things in other capacities and working on those projects. None of their work or the other cryptocurrencies we tend to work with had any bearing or impact on our ability to accelerate or decelerate the Shelley work stream. I just want to make sure everybody understands that and for people who have developed a maximalist mindset to get out of that maximalist mindset. There's a place for maximalism, it's called Bitcoin maximalism. If you live there, go there, okay and go believe in that project, in that chain but this is the Cardano ecosystem. It's going to literally work with hundreds if not thousands of different standards over its life. From central banks to other cryptocurrencies to legacy financial operators from the Chases of the world to the Goldman Sachs' of the world.
Provisions will be made to build special hooks for these systems including interoperability with permission systems. It's very likely in the next 24 months Cardano will be talking to an instance of Hyperledger Fabric from IBM. Very likely that that's going to happen. It's very likely that we'll consult on a project that does that and no way does this diminish the road map or somehow make Cardano less competitive. It's actually quite the opposite. The fact that we can work with those systems, the fact that we can do things with those systems means that the platform as a whole is intrinsically more valuable. It's easier to sell to Fortune 500 companies. It's easier to get use utility and adoption because people understand that they're not being led down the road of vendor lock-in and regressing back to the old days of internet explorer or what ConsenSys is trying to do with Ethereum, trying to lock everybody into one standard, one system, rather the value proposition we offer.
Is true interoperability the ability to move in and out? Furthermore, when you create partnerships with other ecosystems then their success is our success. For example, if the treasury system proposal succeeds in ETC they will be in the market for a permanent treasury system in 2021. We as a community can make the case that we've constructed with Voltaire is a great choice for them and of course we'll try to make that case and if it's successful we provide mutual value and benefit more volume and transactions and activity on the Cardano network, and for ETC they have a best-in-class treasury system that meets the values of that community. The exact same argument can be made for Litecoin, or for Bitcoin cash or for other systems and if you want to see the wrapped Litecoin video that I did earlier in the year it gives a great road map for a potential push there.
Furthermore, what if we turn Daedalus into a multi-currency wallet? That's already going to happen because we have a multi-asset standard and so when people issue tokens on Cardano Daedalus will support those tokens sometime in the future. It would be very easy for us to pull Ethereum classic and Litecoin and Bitcoin cash and other ecosystems into the Daedalus wallet. What does that mean? It means that people who live in that ecosystem will be using our technology as their day-to-day experience in hosting for their token! What does that mean if we have a DEX built into that thing? It potentially could create more adoption in use and utility for ada and this is the point we accomplish so much more working together than beating each other down.
I am damn tired of the cryptocurrency markets as they are. The fanboys, the trolls, the FUD, the maximalism, the relentless allegations that people you disagree with or hold different tokens are scammers or criminals or bad human beings. It's time we as an industry set this aside and grow up. Just grow up or else what's the point? Why would anybody looking from the outside at all of this chaos and noise and insanity and maximalism want to come play in this pool? It's like you're about to enter a bar and you see a bar fight. Do you keep going in or you turn around and walk away and say I don't want that trouble. I'm going to go down the street somewhere else that's safer and so how will we ever get mainstream adoption, how will we ever make the argument to governments that they should trust their elections, their property, perhaps even the money of their people on our systems if we're incapable of entertaining other ideas, other philosophies and other ecosystems? We don't deserve the right for that responsibility if we're not mature enough to have differences of opinion and be able to welcome other ecosystems into our own.
So this video is a call against maximalism first and foremost and second it's a realization that the duties of an executive officer are extensive meaning that there are days I wake up and there are Ethereum days and, by the way, working in that ecosystem gives me and my company exhaustive knowledge on how Ethereum works which allows me then to build a better product than they have and understand where all the bodies are buried: all the flaws in the protocols, the security issues, the performance issues, the smart contract development experience. That intimacy is extremely important to be able to predict, react and also plan a competitive strategy that can take you in a different and better direction.
You just don't live in a mono-culture. It's a bad deal, that's the second point. You have many projects. When you have a larger company, some of those projects are completely separate from each other. Some of those projects may have a bit of overlap. We have a philosophy that we don't work on competing products. For example we have done work with horizon (Horizon2020?) and as a consequence of doing work with them we're probably not going to work on zcash at the same time. As long as we have that relationship there we, for example, work on Cardano so we're not going to go work on another proof-of-stake system that wants to be a financial operating system. That would be a direct competitor. For example, Tezos would be happy to jointly author papers and coordinate collaboration but there needs to be a Cardano benefit in that relationship whereas ETC as I've mentioned is a totally different system and it's something that we have as a company historically worked on for years.
We started our participation in 2016. We built a full client in that process. Did that have any impact on our ability to deliver Cardano? We had a completely separate engineering team. That team was actually sourced from external companies. Scalac and Atix Labs to begin with and then we built on top of it and it had different product and project management and it was completely written with a different group. So it might as well have been a different company for that matter and I just talked to the team but the Cardano team was doing its own thing so I I think we need to just cut it out. Cut out the maximalism, cut out this idea that there is only one truth. We live in a nuanced world and we live in a world of interoperability. We have to embrace that if we wish to be successful and let us be the adults in the room. Let's be the place where this isn't the bar fight and let's be the place that welcomes everybody.
Furthermore, I've noticed some criticism from my own community. When people criticize us and they go to the politics of destruction or personal attacks or yield on criticizing people's intelligence or whatever have you... Cut that out too. Let's be a better community. I repeatedly call upon the Tezos foundation to tell its community to stop criticizing Cardano and calling it's "a scam project". So, I'll call upon my own community, I have seen things that shouldn't have happened. Certain members of Cardano community replying to people over twitter, replying to people who criticize us have resorted to personal attacks and so forth. Again, just ignore them , mute, let's embrace unity, let's embrace being better, yes, occasionally you got to kick people in the teeth especially when people are lying and what you do is you call them out on the lies that they've made. You specifically point out where they have done things that are a bit crazy or disingenuous and dishonest.
For example, we had a meeting today with Ethereum classic and it was blatantly apparent to me that this process has been set up to fail and be exclusive and prevent alternative ideas from a certain power structure from being held. So, I made a 30-minute whiteboard video where I not only called it out but I proposed an alternative and said this is how we're going to transcend that process and get to a much more productive way of doing things. Some of the criticism we have is justified because of product delays or because people don't fully understand who we are and what we're trying to do and obviously there's history there. So, first and foremost, let's reply with facts. First and foremost let's reply with dignity and respect and empathy for the other person's position and you know what? If they continue to push forward then you kick him in the teeth and you say it's obvious you don't want to have a conversation. You're a troll, but to my community please do this and please have this level of respect and dignity with others and with each other.
For example, we right now have a lot of debates with small stake pools versus large stake pools, there's plenty of people floating around with differences of opinion and our mantra should always be disagree without being disagreeable. People are going to have other values people, are gonna have differences of opinion and people are gonna have different perspectives. You can't change that reality nor should you. We all have the right to think and have differences of opinion but we also should expect a dialog that's fair and has empathy in it and so I call upon everybody to preserve that decorum as we move forward and also understand that some days we wake up we have to do things that are non-Cardano related in order for us all to be successful because not all the world will ever be Cardano related. We always need partners whether it be great pieces of hardware like Ledger and Trezor or exchanges to work with different wallets and sometimes those partners do stuff with us and sometimes those partners do things with other people. We have friends, we have projects we admire and respect.
For example, I've expressed repeatedly great admiration for the Algorand project. I think they're doing a phenomenal job and they have great leadership with Silvio Micali. I think the research and the engineering there is top notch. I personally believe Cardano is better. That's because we built it and that's because we think we have a better strategy to market and ultimately the market's going to decide which standards to go with and whether it's going to be many standards or a consolidation. That's not my decision. I just have to wake up every day and fight for the things I believe in. That said, never once have we ever criticized Algorand because they are in essence the model of empathy and dignity and good communication and being very proactive at focusing on solutions when they make announcements. They make announcements about new things that they're doing and new partners that they have and never once have they ever criticized another project or engaged in fanboyism. That's a great community, that's a great project and it's a model for where the space should go and I admire that deeply and greatly especially when you contrast it with other projects that have been less empathetic in their history.
We all have our problems, we all have our issues. I know that we all can be better and so that's my final point. Let's do that. Let's be better as an industry. Let's be a bit friendlier and let's invest the time and effort necessary to really understand and listen to each other because ultimately I think that's going to get us where we need to go and be able to get us to a point where we have that adoption of millions and billions of people and fundamentally change the fabric of society.
Otherwise we will be victims of our own success and descend into tribalism and descend into sectarian violence and then ultimately destroy the entire industry because it will become co-opted by large companies who use a surface-level marketing to take the brand, take the notion of a blockchain but then install centralized authorities behind them and in which case we've lost. I don't want that to happen I want the movement to succeed. I want us to understand each other and I enjoy having great competitors sometimes working with them sometimes fighting them in the battle of the markets, in the markets of ideas and ultimately I think we as a community have a chance to also be a model for everyone else.
So, let's do that. Thank you...
Video: https://www.youtube.com/watch?v=RXQrm18XhQ8
submitted by stake_pool to cardano [link] [comments]

!!!Coinomi SCAM!!! - support took all the money from my wallet. And now my posts are being deleted without any explanation!!!

Please help me get my money back!!!
https://preview.redd.it/0dfm3emxu8551.jpg?width=591&format=pjpg&auto=webp&s=4345d1ad02e69e322a8630853995d67e7a6f4c31
My previous post was deleted, so I had to make a new one. I just want to get my money back and show people what a danger it can be if you keep your Coinomi.
https://preview.redd.it/dnmtzpeou8551.png?width=659&format=png&auto=webp&s=a13c91b991a01934d072e36ee3ec0f2a19138f16
https://preview.redd.it/tf8r0peou8551.png?width=673&format=png&auto=webp&s=bacc92d9db191297c71f7606d60b6831d29fc986
https://reddit.com/link/ha0wzx/video/4kftskk5u8551/player
"Hi, everybody. I had some shocking news. Last Thursday (11.06), I woke up in the morning and found that my savings were no longer in my wallet. A transaction was made in an unknown direction that I did not do myself. When the last savings from my friends came to my wallet, at the same time, another operation was made to withdraw almost all my[ bitcoins. The next day I started investigating. My Coinomi wallet was installed only on my iPhone and only I used it myself. Sometimes I was sent payment for my work, from my friends. All transactions are mine, friends can confirm (there are screenshots of all operations). No one but me knew my written words (seed). I wrote them out on a piece of paper and kept them out of the reach of other people. As a result of my research, I remembered that I could show my words to the support service. When I first wanted to make a transaction, I didn't remember the code that I needed to send bitcoins. I used Face-ID to log in to my wallet, so I couldn't send bitcoins to another wallet. Then two weeks before the incident occurred, I contacted support to deal with this issue and I remember (I have a picture of this message, I will leave it below) I was showing my words (seed) to support as I needed to restore the owl wallet. One word I wrote down incorrectly, then I couldn't log in to my Coinomi. Support helped me to suggest this word and I continued to use my wallet, and two weeks later all my savings disappeared. Therefore, I am sure that the support does not want to return my stolen funds to me, since I only showed them my secret words to restore my wallet. I am ignored and my friends also can't get the truth out of support. I'm trying to use all my friends to help me get my funds back. None of the support staff wants to help me in any way. My friends are blocked, and they respond to my appeal by saying that they had to change their secret words and this would not have happened. But I know it's support. Friends, I ask everyone to help me deal with this situation, because the same thing may happen to each of you. Coinomi-steal money from their customers and do not want to return it later.These damn people are stealing money from our wallets-Coinomi SCAM!!!
In this message, I will also leave a link to the transaction -
https://www.blockchain.com/ru/btc/address/bc1qal2y97mka53j7zesfqlt0x63vzfu0368fzd8f6
Link to the site when I contacted support from the official app -
https://coinomi.freshdesk.com/support/home
Also a link to the group in Telegram - https://t.me/coinomi_official
These are support agents who don't want to help me:
  1. @angelos_coinomi (screenshots with correspondence from this user in Telegram)
  2. @fer_coinomi (screenshots of correspondence on the support site)
  3. @brenny_coinomi (I didn't talk to this person, but I think he can also deceive people)
You can all watch where our money is now and help us get it back. Thank you all!!!
Through all these links I communicated, and then I was deceived and left without my savings!!!"
submitted by Roditoshi to COINOMI [link] [comments]

Transferring from bitcoin atm to XMR. And avoiding phishing.

Hello,
So I’ve read the bible a few times and have reviewed reddit/google searches. I’m ready to take the plunge. However, I have a few questions:
  1. I need to obtain XMRs. My plan is to visit a local btc atm (none near me appear to do XMR). As I plan to install cake wallet on my iPhone and prefer to just get a paper wallet from the atm with my new bitcoins on it. Is it safe to go from paper wallet atm > cake wallet on iphone. I know cake only stores XMRs. However, it seems I can input my new bitcoins directly into cake wallet using the exchange feature (ie generate a btc wallet on the iphone app to transfer the bitcoins into and then it will convert the btc to XMRs to store on my cake wallet). Is this correct?
  2. If correct, can I simply transfer the XMRs directly from my iPhone cake wallet to the dnm wallet directly to make a purchase with a vendor? I want reasonable privacy but I’m not sure I want to try and install cake wallet on TAILS as it seems clunky and as long as I have reasonable privacy through Monero, I’m ok with that. Thoughts?
  3. I understand the risk of phishing. The bible talks about confirming with 3 websites the marketplace link to ensure it’s not a dodgy link. However, the links in the Bible are broken (seems to reference an old, shutdown reddit forum). What are the best places to get a good link and other places to confirm that the link is indeed good?
Wish me luck! I’m excited.
submitted by Texden29 to darknet [link] [comments]

Just got an Iphone and want to download a wallet and buy some Bitcoin at a Coinstar ... what wallet should I use?

submitted by iconoclast63 to Bitcoin [link] [comments]

I started working with Ethereum and Bitcoin while pursuing my Bachelors in CS, got into a well-paying job in Samsung as software dev, left it to work on my Crypto security startup, Cypherock, with the aim of eliminating fear of loss of Crypto for mass adoption.

I started working with Ethereum and Bitcoin while pursuing my Bachelors in CS, got into a well-paying job in Samsung as software dev, left it to work on my Crypto security startup, Cypherock, with the aim of eliminating fear of loss of Crypto for mass adoption.
Hello everyone, I am Rohan Agarwal! I heard the word 'Bitcoin' for the first time around 2013-2014 but it didn’t creep up on the top of my mind until 2017.
It was during my college days in 2017 when I was mostly working on android apps and attending hackathons to satisfy the competitive edge in me that I met my friend and CTO of Cypherock - Vipul through a mutual friend. During the same time, I went down the crypto rabbit hole after being bugged by the idea of decentralisation. During the 2017 bull run, I was continuously researching and trading Bitcoin, Ethereum and various cryptocurrencies while conducting workshops, writing blogs about the space.
At the height of the 2017 bull market, I found that one of my friends couldn't recover his recovery phrase kept safe on paper due to an unfortunate house fire. At the same time, another one of the colleagues had kept his 24 word mnemonic phrase as a screenshot on his phone which got lost when the phone was corrupted. That's when I realized the need for a secure hardware wallet + with a recovery solution that caters to both data loss and data theft problems without a single point of failure.
To facilitate mass adoption, it is necessary that -
  1. Regular, non tech savvy people should be able to use and secure crypto without the fear of losing it.
  2. The solution to secure and recover crypto should be a non-custodial solution and the support should be open to all assets.
This was the belief that gave birth to Cypherock. Current hardware wallets secure the crypto but the unencrypted seed phrase on the paper becomes a single point of attack. We believe that seed phrases deserve the same level of security that your private keys have.
So, we used 2 of 4 Shamir Secret Sharing (with the option to change the threshold in future) along with tamper-resistant hardware to secure your private keys. Simply put, it is like Multi-sig but for your wallet recovery phrase. Practically, it’s much easier to use than multi-sig, if implemented correctly. Even Coinbase uses Shamir Secret Sharing to secure their own assets.
More on what we developed
- Each shard will be stored in a EAL6+ tamper resistant secure element chips. As comparison, your iPhone has the same level of security chip for securing fingerprints.
- Nothing will be stored in the X1 Wallet on which the computation will be done.
- Keys can be recovered by tapping any 2 out of the 4 cyCards on the X1 Wallet. Each cyCard can also be protected by a PIN just like your hardware wallet. The recovered keys are stored in a volatile memory on the X1 Wallet which gets wiped out as soon as the operation is done.
- You can store 3 wallet recovery phrases in a single product.
- The cyCards can be distributed around different places to increase security of the funds and protect against $5 wrench attacks.
What this means is without the knowledge of location of atleast 2 cyCards and the PIN, it is impossible for the hackers to steal your assets. We'll be able to support multiple blockchains (read: coins) using this along with other digital assets like your passwords, secrets, non Blockchain private keys etc. You can secure the cards by distributing it among trusted people or keeping it secure in different places that only you know of.
https://preview.redd.it/z259ydi5auj41.png?width=1920&format=png&auto=webp&s=c110361d35ac82647c21da50264fcaee923fbc65
It has been a hell of a ride to provide an optimal solution for the mnemonic phrase/seed phrase recovery issue, without compromising the security of the user or the ownership of the assets.
We recently got backed by Consensys which was a high point for us. It has been a huge journey for us coming from India, where blockchain or the related hardware isn't that big with consumers yet.
The product is in the testing phase and we have started with the pre-orders. You can book one today with >50% off and if you don’t like it, we will give you a full refund, no questions asked.
Small Example to show how it works:
  1. You entegenerate your mnemonic phrase on the device or any other sensitive information like passwords.
  2. You tap four cyCards on the device to make 4 shards of your phrases.You'll need any 2 of them to recover your keys or perform a transaction.
  3. The cyCards can be stored at different locations or kept with different people for security.
  4. It can solve the issue with inheritance too with proper management of keys. (PM or comment to know more on this).
  5. To conduct a transaction, tap 2 cards on the device. The keys will be generated on the X1 Wallet for the transaction in a volatile memory which will be wiped off once the transaction is done (no current generation wallet has this). This allows for the hardware to have similar security as of multi-sig with the possible support of every asset.
Any feedback appreciated.
TLDR: With the dream of making storage of seed phrase an easy solution for everyone, started out with Cypherock and in the process found out a solution for removing single point of failure and a way for easy crypto inheritance. Would love any help from the community to take this further.
If anyone would like to see the device functioning, they can refer to the following videos:
  1. Securing Seed Phrases with Cypherock X1: https://youtu.be/eD3CZMPumCk
  2. Trezor Hack and Transaction Using Cypherock X1: https://www.youtube.com/watch?v=19u2mKaHRoM&t
submitted by rohanagarwal94 to ethereum [link] [comments]

I started working with Bitcoin and Crypto while pursuing my Bachelors in CS, got into a well-paying job in Samsung as software dev, left it to work on my Crypto security startup, Cypherock, with the aim of eliminating fear of loss of Crypto for mass adoption.

I started working with Bitcoin and Crypto while pursuing my Bachelors in CS, got into a well-paying job in Samsung as software dev, left it to work on my Crypto security startup, Cypherock, with the aim of eliminating fear of loss of Crypto for mass adoption.
Hello everyone, I am Rohan Agarwal! I heard the word 'Bitcoin' for the first time around 2013-2014 but it didn’t creep up on the top of my mind until 2017.
It was during my college days in 2017 when I was mostly working on android apps and attending hackathons to satisfy the competitive edge in me that I met my friend and CTO of Cypherock - Vipul through a mutual friend. During the same time, I went down the crypto rabbit hole after being bugged by the idea of decentralisation. During the 2017 bull run, I was continuously researching and trading Bitcoin, Ethereum and various cryptocurrencies while conducting workshops, writing blogs about the space.
At the height of the 2017 bull market, I found that one of my friends couldn't recover his recovery phrase kept safe on paper due to an unfortunate house fire. At the same time, another one of the colleagues had kept his 24 word mnemonic phrase as a screenshot on his phone which got lost when the phone was corrupted. That's when I realized the need for a secure hardware wallet + with a recovery solution that caters to both data loss and data theft problems without a single point of failure.
To facilitate mass adoption, it is necessary that -
  1. Regular, non tech savvy people should be able to use and secure crypto without the fear of losing it.
  2. The solution to secure and recover crypto should be a non-custodial solution and the support should be open to all assets.
This was the belief that gave birth to Cypherock. Current hardware wallets secure the crypto but the unencrypted seed phrase on the paper becomes a single point of attack. We believe that seed phrases deserve the same level of security that your private keys have.
So, we used 2 of 4 Shamir Secret Sharing (with the option to change the threshold in future) along with tamper-resistant hardware to secure your private keys. Simply put, it is like Multi-sig but for your wallet recovery phrase. Practically, it’s much easier to use than multi-sig, if implemented correctly. Even Coinbase uses Shamir Secret Sharing to secure their own assets.
More on what we developed
- Each shard will be stored in a EAL6+ tamper resistant secure element chips. As comparison, your iPhone has the same level of security chip for securing fingerprints.
- Nothing will be stored in the X1 Wallet on which the computation will be done.
- Keys can be recovered by tapping any 2 out of the 4 cyCards on the X1 Wallet. Each cyCard can also be protected by a PIN just like your hardware wallet. The recovered keys are stored in a volatile memory on the X1 Wallet which gets wiped out as soon as the operation is done.
- You can store 3 wallet recovery phrases in a single product.
- The cyCards can be distributed around different places to increase security of the funds and protect against $5 wrench attacks.
What this means is without the knowledge of location of atleast 2 cyCards and the PIN, it is impossible for the hackers to steal your assets. We'll be able to support multiple blockchains (read: coins) using this along with other digital assets like your passwords, secrets, non Blockchain private keys etc. You can secure the cards by distributing it among trusted people or keeping it secure in different places that only you know of.
https://preview.redd.it/aqkuuizvfng41.jpg?width=1920&format=pjpg&auto=webp&s=1fc5bb71e79df86fef5ea5855c29d0fe154e5b05
It has been a hell of a ride to provide an optimal solution for the mnemonic phrase/seed phrase recovery issue, without compromising the security of the user or the ownership of the assets.
We recently got backed by Consensys which was a high point for us. It has been a huge journey for us coming from India, where blockchain or the related hardware isn't that big with consumers yet.
The product is in the testing phase and we have started with the pre-orders. You can book one today with >50% off and if you don’t like it, we will give you a full refund, no questions asked.
Small Example to show how it works:
  1. You entegenerate your mnemonic phrase on the device or any other sensitive information like passwords.
  2. You tap four cyCards on the device to make 4 shards of your phrases.You'll need any 2 of them to recover your keys or perform a transaction.
  3. The cyCards can be stored at different locations or kept with different people for security.
  4. It can solve the issue with inheritance too with proper management of keys. (PM or comment to know more on this).
  5. To conduct a transaction, tap 2 cards on the device. The keys will be generated on the X1 Wallet for the transaction in a volatile memory which will be wiped off once the transaction is done (no current generation wallet has this). This allows for the hardware to have similar security as of multi-sig with the possible support of every asset.
Any feedback appreciated.
TLDR: With the dream of making storage of seed phrase an easy solution for everyone, started out with Cypherock and in the process found out a solution for removing single point of failure and a way for easy crypto inheritance. Would love any help from the community to take this further.
If anyone would like to see the device functioning, they can refer to the following videos:
  1. Securing Seed Phrases with Cypherock X1: https://youtu.be/eD3CZMPumCk
  2. Trezor Hack and Transaction Using Cypherock X1: https://www.youtube.com/watch?v=19u2mKaHRoM&t
submitted by rohanagarwal94 to Bitcoin [link] [comments]

I got tired of using a spreadsheet for calculating DCA, so i made an android app

I'm a hodler, and i made this for my own personal use, but half way through i realized it could be useful to others that do DCA, and with just a little more work i could make it store worthy, so i went ahead and did it. It's free, with no limits on time or the number of things it can store, but i did add some extra features for purchase so i could maybe make a few bucks from it. More about that in a minute.
Here's a play store link: DC Averagizer Sorry no iphone or windows version right now.
It's not that i hate using excel or anything, it's just that my DCA buys have become less exciting and more of a standard procedure when i see a dip. I don't spend all day looking at charts anymore, and i don't need to over complicate things. I just wanted the quick convenience of a dedicated app.
I did look for other apps in the store, are there are a bunch, but none of the ones i tried were very suited to crypto. They were cluttered with other investing features, and only showed 2 decimal places, among other issues. So i figured the only way to get exactly what i want is to make it myself.
So this app does one thing and one thing only, it calculates my DCA and stores the info for all my crypto buys and sells. And it always shows all values to the eighth decimal place. I made two sections. One for doing quick calculations with just the price and quantity. And another "portfolio" section that stores all the relevant info, like coin name, ticker, currency, buy/sell dates, and a note section in case i want to enter what exchange it's on or what wallet it's stored in.
I know most of the free world loves dark themes, so i made the default theme be dark. But i'm no artist, so if you think it looks god awful, i added other theme options as a "pro unlock". I made bitcoin and ethereum themes using some of their official colors, and i also made a theme customizer so you can make it look however you want. And the pro unlock also includes backup and restore, because i don't want to loose all the data if i get a new phone or have to reset my phone.
As far as security, there really isn't much to worry about, because it's not meant to store passwords, private keys, credit card numbers, or anything else like that. But just to be perfectly clear, DON'T STORE YOUR PRIVATE KEYS IN THE NOTES. Always be safe and smart with your keys, passwords, etc. There's no reason to store that stuff in an app like this, it's just a calculator.
And while i've got your attention, i just want to say that you should never store private keys or seed words digitally, and never take a picture of them. Especially if you use a ledgetrezor. The point of a hardware wallet is that the keys are never exposed to your computer and it's viruses, the keys only exist on the internal circuitry of the device and on paper as a backup. Typing those words into a computephone defeats the whole purpose of using a hardware wallet in the first place. (i'm very security conscious, so feel free to chat me up about that if you want. i won't consider it thread hijacking or anything)
Okay back to the app. If you use the backup feature, then obviously it will need storage permission, but you can revoke that permission right after you save your backup and it will not affect the app in any other way. And it will only ask for that permission if you actually try to use backup/restore.
Again, i started this project for my own personal use, and it does everything i need it to do, but if any of you decide to check it out and find an important feature missing, just let me know and i'll consider updating it. And of course if you find any bugs, i'll try to fix them asap.
submitted by blevok to Bitcoin [link] [comments]

I got tired of using a spreadsheet for calculating DCA, so i made an android app

I'm a hodler, and i made this for my own personal use, but half way through i realized it could be useful to others that do DCA, and with just a little more work i could make it store worthy, so i went ahead and did it. It's free, with no limits on time or the number of things it can store, but i did add some extra features for purchase so i could maybe make a few bucks from it. More about that in a minute.
Here's a play store link: DC Averagizer Sorry no iphone or windows version right now.
It's not that i hate using excel or anything, it's just that my DCA buys have become less exciting and more of a standard procedure when i see a dip. I don't spend all day looking at charts anymore, and i don't need to over complicate things. I just wanted the quick convenience of a dedicated app.
I did look for other apps in the store, are there are a bunch, but none of the ones i tried were very suited to crypto. They were cluttered with other investing features, and only showed 2 decimal places, among other issues. So i figured the only way to get exactly what i want is to make it myself.
So this app does one thing and one thing only, it calculates my DCA and stores the info for all my crypto buys and sells. And it always shows all values to the eighth decimal place. I made two sections. One for doing quick calculations with just the price and quantity. And another "portfolio" section that stores all the relevant info, like coin name, ticker, currency, buy/sell dates, and a note section in case i want to enter what exchange it's on or what wallet it's stored in.
I know most of the free world loves dark themes, so i made the default theme be dark. But i'm no artist, so if you think it looks god awful, i added other theme options as a "pro unlock". I made bitcoin and ethereum themes using some of their official colors, and i also made a theme customizer so you can make it look however you want. And the pro unlock also includes backup and restore, because i don't want to loose all the data if i get a new phone or have to reset my phone.
As far as security, there really isn't much to worry about, because it's not meant to store passwords, private keys, credit card numbers, or anything else like that. But just to be perfectly clear, DON'T STORE YOUR PRIVATE KEYS IN THE NOTES. Always be safe and smart with your keys, passwords, etc. There's no reason to store that stuff in an app like this, it's just a calculator.
And while i've got your attention, i just want to say that you should never store private keys or seed words digitally, and never take a picture of them. Especially if you use a ledgetrezor. The point of a hardware wallet is that the keys are never exposed to your computer and it's viruses, the keys only exist on the internal circuitry of the device and on paper as a backup. Typing those words into a computephone defeats the whole purpose of using a hardware wallet in the first place. (i'm very security conscious, so feel free to chat me up about that if you want. i won't consider it thread hijacking or anything)
Okay back to the app. If you use the backup feature, then obviously it will need storage permission, but you can revoke that permission right after you save your backup and it will not affect the app in any other way. And it will only ask for that permission if you actually try to use backup/restore.
Again, i started this project for my own personal use, and it does everything i need it to do, but if any of you decide to check it out and find an important feature missing, just let me know and i'll consider updating it. And of course if you find any bugs, i'll try to fix them asap.
submitted by blevok to CryptoCurrency [link] [comments]

$13,000 in Debit Card Fraud

$13,000 in Debit Card Fraud
Okay, I’ll start by telling you never make your phone password 1111, 2222, 3333, Etc. with the amount and type of information we store in our phones these days. I use FaceTime, but it doesn’t always work for multiple reasons, face being covered etc., so for the easiest, quickest password for this rare occasion for me was 33333. Not smart.
(First 3 paragraphs are the backstory, skip to the 4th to get to the nitty and gritty. Backstory TL;DR I lost one of my phones, thinking It was somewhere at home or accidentally thrown away, wasn’t too worried about it.)
Okay, I am at the end of my wits and starting to get extremely frustrated at the run around I’m receiving. I have 2 phones and i hate it and have been thinking about getting rid of one of them. The day after Christmas after after multiple family stops the day before and really, what I call, chaos, I realize I can’t find one of my phones. I check find my IPhone and it is offline. Not stressed at the moment, just figured it’s around the house somewhere buried under some wrapping paper somewhere who knows, It’ll show up eventually, plus I finally only have one phone and I kind of enjoy it.
So I leave the next day for our yearly trip to Florida. Still couldn’t find my phone, but didn’t search to hard to be honest. Gone till the 6th. Only find out one problem. My bank account is under the number that I lost, so with 2FA, I can’t access my bank account without that number, still not a big deal, not freaking out. Now I have a few days to find this phone when I get home before I leave on the 9th for another week long trip, but I’m thinking it’s gonna take me 5 min. Get home catch up up some sleep. Tear the house apart, not there. I mean I looked everywhere. Well, Time to leave again. Confused as all hell, but still not that worried. I made plenty of deposits in my bank account and have another at another bank so I’m not needing to check my bank account at all as I know I’m good. Still not stressing it I leave and will finally get it all sorted out when I get home. Not knowing what cluster fuck I had in store for me I had planned on leaving again on the 18th for 4 days and the 24th till the end of January.
Get home. Go to every place I had went on Christmas, even after having them all look, figured I’d look again. Now I’m leaving thinking it must just have been thrown away with all the trash from Christmas and when I get back I’ll just cancel that number, call the bank to switch numbers, and call and switch over all the other accounts I have tied to that number and change them to the new number. Which is quite a few. Probably why I have been putting it off for so long. Finally decide I’m gonna stick with 2 numbers. Just going to get me a new phone with the same number when I get home and we’re all good.
Okay that’s the backstory of how it took me so long to notice what had been happening to me the whole time. Now to the good stuff. Get my number back. Everything’s good right? Wrong. I go to log into my bank account and the number and email address are changed. I immediately contact the bank to let them know and cancel my debit card and credit cards and tell them everything that has happened, also find out there had been $13,368 in fraudulent charges on my debit card, which I had in my possession the entire time. After reporting the fraudulent charges to capital one, they said they would investigate, I had also emailed the company to let them know of the charges and requested documents on all of the charges and told them I would be more than willing to help in anyway I can or give them any documents they would need to help with the investigations. I told Capital One the same thing. As I wait on a reply through my own investigation.
I had recognized the company that my card was charged to as one that I used to buy cryptocurrency through an exchange that I had previously used called KuCoin. So I did my own research turns out my phone didn’t get thrown away because the only way this could have happened is if someone had found my phone. I have all my account info for everything along with my debit card and credit card numbers, CVC, I mean everything, stored on my phone in documents in the cloud. So they got on the crypto exchange, the only one, that doesn’t have a delayed withdrawal time, or a KYC and 2FA set up (I set it up just to try it out, didn’t do much with it, and went back to Coinbase and Binance) and used my card info to send bitcoin to my account on KuCoin after changing the email and number, and immediately withdrew every deposit as soon as they got it. On Blockchain.com, you can see they were all sent to the same exact wallet, and from that wallet to a few others. They also put money on someone’s account through inmatesales.com with my debit card, so I’m assuming one of their buddies could get some nutty bars, fresh undies, and a phone call or something. I have never previously used this website.
4 Days later I recieved an email from Capital one saying they have concluded their investigation and denied my claim. 4 Days is pretty quick, at least I think as I have never had a fraudulent charge or disputed any charge on any of my accounts, ever, in my life so I don’t know the process. They never asked for any documentation to support my claim, when I started to ask questions and seek information into their investigation they told me I could request a document on how they reached their decision and would not discuss the matter any further. Any question I asked regrading the dispute was answered with “we will not discuss this matter any further”. Literally any question I had was answered with that line. What pisses me off the most was after I told them that all my information was at risk that along with new card number, I would also like to change my account numbers; which were obviously compromised as well. They told me they wouldn’t do that. Wtf. Guess I’ll just close my account then.
Basically what I’m asking is what is the process to getting my money back? Their reasons for denying my claim is that the CVC number was used, I’ve had previous business with the company, SMS confirmation (don’t know what number they are talking about, but either way, I wasn’t in possession of my number, and they changed the number on my account, and the last reason was that my story doesn’t match account or login records (I was never able to log into my account through the entire month due to 2FA security). There’s no way that my story doesn’t match the records because it is what happened and the truth is the truth and facts are facts.
Am I going to have to hire a lawyer and take them to court? If it wasn’t this much money I’d just say screw it and eat my losses and move on but now I’m pissed and it’s about principle now. Am I pretty much screwed at this point?? Let it be known this is only with my capital one account. Which isn’t the only account they were able to get into. They got into my TD Ameritrade account and my fifth third account, both with debit cards. Help me please. I know it might seem like I have enough money to be able to make it through this, but I don’t. I’m actually broke and just barely making it by, and that $13,000 was the most money I’ve ever had in my bank account. :( I’m scared. Please help.
TL:DR. I Lost my phone and the person who found my phone got into all my accounts and swindled me out of $20k.
submitted by checkingoffthelist to legaladvice [link] [comments]

I got tired of using a spreadsheet for calculating DCA, so i made an android app

I'm a hodler, and i made this for my own personal use, but half way through i realized it could be useful to others that do DCA, and with just a little more work i could make it store worthy, so i went ahead and did it. It's free, with no limits on time or the number of things it can store, but i did add some extra features for purchase so i could maybe make a few bucks from it. More about that in a minute.
Here's a play store link: DC Averagizer Sorry no iphone or windows version right now.
It's not that i hate using excel or anything, it's just that my DCA buys have become less exciting and more of a standard procedure when i see a dip. I don't spend all day looking at charts anymore, and i don't need to over complicate things. I just wanted the quick convenience of a dedicated app.
I did look for other apps in the store, are there are a bunch, but none of the ones i tried were very suited to crypto. They were cluttered with other investing features, and only showed 2 decimal places, among other issues. So i figured the only way to get exactly what i want is to make it myself.
So this app does one thing and one thing only, it calculates my DCA and stores the info for all my crypto buys and sells. And it always shows all values to the eighth decimal place. I made two sections. One for doing quick calculations with just the price and quantity. And another "portfolio" section that stores all the relevant info, like coin name, ticker, currency, buy/sell dates, and a note section in case i want to enter what exchange it's on or what wallet it's stored in.
I know most of the free world loves dark themes, so i made the default theme be dark. But i'm no artist, so if you think it looks god awful, i added other theme options as a "pro unlock". I made bitcoin and ethereum themes using some of their official colors, and i also made a theme customizer so you can make it look however you want. And the pro unlock also includes backup and restore, because i don't want to loose all the data if i get a new phone or have to reset my phone.
As far as security, there really isn't much to worry about, because it's not meant to store passwords, private keys, credit card numbers, or anything else like that. But just to be perfectly clear, DON'T STORE YOUR PRIVATE KEYS IN THE NOTES. Always be safe and smart with your keys, passwords, etc. There's no reason to store that stuff in an app like this, it's just a calculator.
And while i've got your attention, i just want to say that you should never store private keys or seed words digitally, and never take a picture of them. Especially if you use a ledgetrezor. The point of a hardware wallet is that the keys are never exposed to your computer and it's viruses, the keys only exist on the internal circuitry of the device and on paper as a backup. Typing those words into a computephone defeats the whole purpose of using a hardware wallet in the first place. (i'm very security conscious, so feel free to chat me up about that if you want. i won't consider it thread hijacking or anything)
Okay back to the app. If you use the backup feature, then obviously it will need storage permission, but you can revoke that permission right after you save your backup and it will not affect the app in any other way. And it will only ask for that permission if you actually try to use backup/restore.
Again, i started this project for my own personal use, and it does everything i need it to do, but if any of you decide to check it out and find an important feature missing, just let me know and i'll consider updating it. And of course if you find any bugs, i'll try to fix them asap.
submitted by blevok to ethtrader [link] [comments]

Want to speed bitcoin adoption? Put it in the hands of a 17-year old who can't open a bank account on his own yet.

Teenagers and twenty-somethings understand and breathe technology. I am 40 and have attempted to explain bitcoin and the blockchain concept to adults my age and seniors who have been steeped in the legacy banking paradigm. It is incredibly difficult to overcome the intense skepticism and inertia in this demographic. Today, instead, I gave $10 worth of bitcoin to the 17-year old kid down the street who is saving for his first car. He had never heard of bitcoin before, but downloaded a wallet instantly and understood how the QR code worked. My only condition was that he spend the money soon to see how it worked. He left enthusiastic and indicated that he wanted to read up on it tonight. Make a goal to share bitcoin every day. Be the change you want to see, baby.
submitted by BitcoinDreamland to Bitcoin [link] [comments]

Can't sites like coinbase just steal everyone's bitcoins?

What is stopping them?
submitted by bitmittens to Bitcoin [link] [comments]

It's true. Bitcoin wallets are allowed in all Apple App Store countries. Download CoinPocket on iOS!

Apple just accepted a native iOS version of CoinPocket into their App Store. It is mostly the same as the HTML5 version (https://coinpocketapp.com) except for a few UI changes and of course a built in QR code scanner.
https://itunes.apple.com/us/app/coin-pocket-bitcoin-wallet/id885640234?mt=8
submitted by mike_enriquez to Bitcoin [link] [comments]

New to bitcoin but very interested

Buying bitcoins from coinbase should I store them there or download an app and keep them there?? Thank you
submitted by nb098 to Bitcoin [link] [comments]

Anyone else just switch from iPhone to Android? Tips for the newly converted?

My first computer was an Apple IIe, on which I learned to program in BASIC, and played text games like Zork.
I have been an Apple loyalist ever since, though some of the products sucked. Apple was the outsider, the dark horse, the creative, playful, anti-establishment computer. Remember the first Macintosh? The 1984 commercial?? iTune? The advent of the iPhone?
Now, Apple is the establishment, Steve Jobs is dead, and I'm done buying Apple products. As of yesterday, I'm using a Samsung Galaxy 4 mini and loving the universe of bitcoin-related apps.
Anyone else switch over recently? Tips? What are the best bitcoin apps?
submitted by qualia8 to Bitcoin [link] [comments]

Passive income using phone

Okay so I have been using 3 apps on my side phone to make passive income, and today I will talk about 2 of them ( I am still waiting for the payment from the 3rd one , which isnt crypto btw, but once I get it I will make a post here!)

The apps are called Electroneum and Pi Network. I noticed that Pi Network was recently shared here , so I will mostly talk about Electroneum.

Electroneum is a cryptocurency and it's current value is $0.00441353
I am not sure if it is available on iphones, but download it here for android: https://play.google.com/store/apps/details?id=com.electroneum.mobile&hl=en You just create an account, set up a pin and let the miner run in the background. You don't even have to have the app open for it to work. Moreover it works for 7 days straight! So once a week you have to get on the app and click the 'mine' button again.

The miner doesn't even take up power, since it does not use the processing power of the phone. It instead benchmarks the device and allocates it a hashrate that it would achieve if it were actually mining. You will then be allocated the amount of ETN you would receive if you actually mined a block. This is called cloud mining. The app acts as a wallet, and you need a minimum of 100 ETN to cashout. You can then either save your ETN in your wallet, or you can go to a site like hitbtc.com and exchange your ETN for some other crypto or USD.

If you sign up using my code 8A5898 you will mine 1% more ETN. I am not sure where they ask for it ( if they do). If they do not ask for it, go to the app, click on 'more' and it should ask for it. BTW I have not used a referral code myself, so comment yours and I will pick a random one to use :D.


The other app is called Pi Network. Someone already made a post on this, and I found a few mistakes. Since I have been using the app for a while and I currently have over 1k Pi, I just wanted to share my opinion on it.
Ok let me preface this by saying a couple of things, so I dont get peoples hopes up.
I do not promise that it will explode like bitcoin, or end up being very valuable, but it costs nothing to run on my phone ; it doesn't drain battery and I find it exciting that in the future it could be a valuable currency.
Pi is a new digital currency being developed by a group of Stanford PhDs. Once you open the app, you are prompted to click a mine button and that's it! You have to reclick the button once every 24 hours so you can verify that you are human. My base rate is 0.79π/h but it has increased to 2.83π/h because of the person that referred me.
To get into beta you will need to a code, mine is 'Markella' , but feel free to make a chain in the comments so you can benefit from each other!
From reading the white papers, they team is currently in phase 1 of 3. Phase 3 will be here at Q4 of 2019. In that phase you can exchange Pi with other cryptos and even buy things with Pi.

Download it here -------- > https://minepi.com
submitted by NervousRush to beermoneyglobal [link] [comments]

Can someone pitch Mycelium?

I have seen so many wallets and so many people talking about Mycelium. Is it the best? If so, what makes it better than the rest of the wallets like blockchain and coinbase wallets? Thank you for the information.
submitted by JDSlim to Bitcoin [link] [comments]

I want to buy bitcoin as an longterm investment...

What is the cheapest way to get into bitcoin and secure my wallet for use in a few years? Also, eli5 plz.
submitted by I_love_Hou_2 to Bitcoin [link] [comments]

How to Withdraw Funds from a Paper Wallet - YouTube How to Make a Bitcoin Paper Wallet & Protect your Crypto ... Bitcoin Paper-Wallet erstellen, befüllen & nutzen - sicher ... 4 How to make a Bitcoin Paper Wallet with COLDCARD How to make a bitcoin paper wallet. - YouTube

Airbitz - Bitcoin Wallet iPhone- / iPad-App 2.4.12. Version 1.2.39. Airbitz ist eine Bitcoin Wallet für iPhones und iPads. CHIP Bewertung: Gut. zum Download. Bitcoin Mining: Goldrausch ist vorbei ... In Wallet kannst du Tickets und Karten speichern, sodass du lediglich dein iPhone benötigst, um für einen Flug einzuchecken, dir Kundenvorteile zu sichern, ins Kino zu gehen oder Gutscheine einzulösen. Die Karten liefern dir Informationen über das Guthaben auf deiner Kundenkarte für das Café um die Ecke, das Ablaufdatum deiner Einkaufsgutscheine, deine Platznummer bei einem Konzert und ... Offline / Paper Wallet : Your wallet and your bitcoins are physically at your disposal thanks to QR codes and your private key, once your wallet is printed with a secure computer and printer. You are in full possession of your bitcoin, no one can hack your Bitcoin, like real banknotes, you have your funds permanently and you are the only holder of access to your Bitcoins. Bitcoin iOS Wallet Summary. Bitcoin iOS wallets are apps that allow you to store, send & receive your Bitcoin from your iPhone or iPad. This type of wallet gives you the convenience of making payments quickly and easily from anywhere, as long as you have your mobile device with you. However, this convenience comes with a price. Not only this is ... Make Paper Wallets to Keep Your Bitcoin Addresses Safe. For long-term storage of bitcoins (or giving as gifts) it's not safe to store your bitcoins in an exchange or online wallet. These types of sites are regularly hacked. Even keeping a live wallet on your own computer can be risky. Your Keys, Your Bitcoin. By printing out your own tamper-resistant bitcoin wallets and generating your own ...

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How to Withdraw Funds from a Paper Wallet - YouTube

Bitcoin 101 - Intro to Paper Wallets & Cold Storage - Bitcoin Security & Fun with Sloppy Wallets - Duration: 26:57. CRI 116,370 views All you need to know about making your first bitcoin paper wallet... Bitcoin paper wallets are easy to make but are they safe and should we use them? https:/... SUBSCRIBE FOR MORE HOW MUCH - http://shorturl.at/arBHL Did you know? You can make Bitcoin Paper Wallets even if you don't own any bitcoins! Here is a list of... A short video showing how to create a Bitcoin Paper wallet for the safe storage of your Bitcoin currency. Do this in offline mode if you want to be extra sec... Schritt für Schritt ganz einfach & sicher ein eigenes Paper-Wallet erstellen - damit steht man durch den Private Key auf der sicheren Seite! Links aus dem Vi...

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