PSA: "My bitcoin got stolen" is now a daily post here. Use paper wallets, only keep 5% of your bitcoin online. More security analysis in this post.
Almost all bitcoin thefts happen because of trojans, compromised Windows machines. The scenario is eerily repeating: User logs on to Mt.Gox or another exchange or online wallet and does some transactions. While they are online, their compromised browser inserts an API key into the service. A few hours later, after logging off, they get an email: "Your funds withdrawal has completed!". Their bitcoin is stolen, nothing they can do, gone forever. This will keep happening, again and again. Bitcoin trojans are now common - it makes sense, this is money and easy to steal Here are a few things that DON'T HELP:
Strong passwords, because key-loggers
Two factor, because trojans wait until you log in, then use your session
Encrypted wallets, because key-loggers
Encrypted filesystems, because key-loggers
On-screen keyboards, because screen-loggers
Wallet backups, because print-loggers, screen-loggers
Here's what DOES HELP:
Move bitcoins away from exchanges as soon as you buy.
Only keep the minimum balance for trading
Keep 95% of your bitcoin OFFLINE in cold-storage
Use paper wallets or offline computers with Armory
Generate keys and wallets offline, on clean single-use OS booted from read-only trusted media.
What you should do ANYWAY, on clean OS and offline:
Use strong passwords, because why make it easy for them?
Use two-factor, because why make it easy for them?
Use Armory, because why make it easy for them?
Use printed backups, because why make it easy for them?
Buy a small home safe and/or rent a safety deposit box
Spread your bitcoin across multiple storage locations, spreading the risk of loss
Be very careful with encryption and backups, especially encrypted backups. Lots of people lose/forget their keys or mess up the software and lose bitcoin forever.
Disclaimer: I am a security expert with 20 years of experience, 15 of them in banking security. I am the founder of the Safe Paper Wallet, which I sell but which also offers open source code and detailed instructions and software for FREE.
Please Teach me how to securely own my Bitcoin instead of keeping it on an online wallet.
I just recently purchased my first bits after Circle opened up to the public and made it so easy i had to try it. now that i actually own some bits I want to learn how to setup my wallet and create a number of backups that sync through Mega, Google Drive, and SyncThing now Ind.ie if i can learn how to set it up. Please inform me on the most nooby friendly ways of getting this running (i have a android phone too that would be nice to set up).
I have an online bitcoin wallet, an online vertcoin wallet, an online litecoin wallet, and 3 litecoin, 1 ether, and 0.0613 BTC in Coinbase. How can/should I consolidate all of these into a quick, easy, but secure place, such that I can buy/sell/trade quickly?
I just received my Ledger nano s. Would it be best to keep all the coins (that it supports) on the nano s? I imagine it would be, but how simple is withdrawing from it? I know it's a bad idea to have so much money sitting in an exchange, I just bought all of this a year or two back on a whim because why not. The last few weeks, I've been mining, and now I'd really like to get into trading and just keeping better tabs on my money. What should I do if I want quick and easy access to them? For example, when Litecoin hit over $200 today, I was tempted to sell the 3 that I had, hope for it to correct, and buy more with that money. However, I know that coinbase has some higher fees, and I also remember that it took like 9 days for the transaction to be completed, which is a huge hindrance with such a volatile market. Finally, to all the miners out here, how much of a profit loss will I see by using a multi algo switching client like Awesome miner vs mining the coin directly? Mining the coin directly (vertcoin in particular) was incredibly unstable in payouts and after a week, I can't really tell how profitable it really is. Plus, I'd rather not be bothered to monitor the coins as often as I can to switch the miner to a different algo. Forgive my painful noobishness, but as you can tell, I am still extremely new to all of this. Thanks for the help <3
FutureCoins — the new and improved hybrid personal banking solution. We are the first company to combine the speed and flexibility of blockchain finance with the acceptance of traditional currency — We offer secure bitcoin wallets, supported by online and mobile applications.
BTCMonk is the best online Bitcoin wallet in India that can be downloaded from Google Play Store or Apple AppStore to store Bitcoin/Bitcoin Cash/Bitcoin Gold and other many cryptocurrencies’ values such as Dash, Stellar, and Litecoin also XRP, Zilliqa under utmost cyber-security.
Safe Paper Wallet: Offline/Cold storage paper wallet kits, pre-printed, beautiful and with many security features. Don't keep your bitcoin online - keep it safe with a safepaperwallet.
We have opened pre-orders for the SafePaperWallet kit, a pre-printed sheet (4 up) of beautiful paper wallets, with great security features. The QR codes are blank so you can add them securely at home, while offline: See the process These paper wallets are made on a beautiful, thick weave-texture, acid-free and archival quality paper, using the highest professional quality printing process: linotype press. Each wallet has a backup "stub" so you can store a second copy of the keys at a different location. The wallet layout, with backup stub Each kit includes opaque scratch-off security stickers to put on the private keys, to protect from disclosure, water, dirt or scratches. Applying and scratching off the security stickers Each kit also comes with instructions and a set of blank templates to align and test your printer Your kit includes 10 sheets of four paper wallets each, enough to print 40 wallets so you can spread your bitcoin fortune and reduce the risk of loss: Sheet of paper wallets Buy your SafePaperWallet kit now, at a discounted price for pre-orders while supplies last Update: The first 8 of 12 were sold in two days. Four more kits for pre-order, then the price goes up.
To be technically accurate, Bitcoins are not stored anywhere; there is a private key for every Bitcoin address that is saved in the Bitcoin wallet of the person who owns the balance. While using wallet you can do trading easily. For more visit @ Cryptofundin..
Securing your wallet. Like in real life, your wallet must be secured. Bitcoin makes it possible to transfer value anywhere in a very easy way and it allows you to be in control of your money. Such great features also come with great security concerns. At the same time, Bitcoin can provide very high levels of security if used correctly. Bitcoin hacks and thefts have exploded since bitcoin's epic 2017 bull run saw the price balloon to around $20,000.. The bitcoin price has fallen by more than half since its late-2017 all-time high ... An online bitcoin wallet service is very convenient, but it’s also a tremendous security risk. Being able to store bitcoins online and accessing them from the browser at any time sounds like an advantage, but in doing so, the user is relying on the online wallet provider to be honest at all times. Online Bitcoin wallets–-also called web wallets–-are wallets that run in your web browser just like any other website. Unfortunately, in 2020, there are no web wallets we can recommend. However, we have some great alternatives for you. We’ll tell you why each of them is better than any web wallet you can find today and how to get your own. Heads Up! Large amounts of bitcoins should not ... Blockchain's Online Bitcoin Wallet – Security Configuration Tutorial By Coinbrief Last updated on January 2, 2018 at 00:00 No Comments Blockchain.info’s online Bitcoin wallet service is considered to be one of the most reliable, user friendly, and powerful web-based Bitcoin wallets available for new and experienced users alike.
Airbitz - Bitcoin Wallet Security, Privacy, & Ease of Use ...
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