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MyCelium Bitcoin Wallet: Review & Beginners Guide
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I sent my bitcoins to mycelium, they got there fine. I sent them to another wallet and they never reached the destination. I used QR codes so there's no way the address was wrong. I cannot view my transaction history because the app hasn't been updated in two years. Either it's a simple system error or they're stealing money. I looked at the recent reviews for the wallet and I'm not the first. Anyone else experience this? Any way to acquire my lost bitcoin?
I need HELP fast. I purchased 1 month of a vpn for around 14 dollars and i had around 450 dollars worth of bitcoin in my, mycelium account. I sent the funds to nord vpn and mycelium said connection error. I cancled the order and it deleated all if my bitcoin but nord vpn got their money. Please help me
Address reuse is not for me So I am waiting for HD For even greater satisfaction I want to label my transaction And then there is a third temptation Cold spend with zero confirmation That's why I beg you, please: Release! -- Jan Dreske (Mycelium Developer anxious to get this thing out to the public, who's birthday is today)
Added support for BIP32/BIP44 compliant HD accounts based on a single master seed
A much simpler backup that uses a word list to backup all your HD accounts (BIP39)
No more address reuse, which greatly increases privacy
You can label transactions in transaction history
Transactions can be created with poor or no internet connectivity, and be broadcast later
You can now have unlimited number of watch-only addresses
Cold Storage spending now let's you spend unconfirmed inputs
What does HD mean? HD is short for Hierarchical Deterministic. Typically, bitcoin wallets generate each new bitcoin address from a unique random number, requiring a separate backup of each new address. To avoid losses from lack of backups, such wallets use a single bitcoin address for all your transactions. HD wallets instead use a “master seed” (a single large random number), to derive all future bitcoin addresses sequentially from that single seed. This means that you only need to make a backup once, and all the keys generated by an HD wallet can be restored at any time in the future just from that single master seed. HD wallets greatly improve your privacy by being able to keep generating new addresses. If you use the same address continuously all your transactions will be associated with a single address, and because all bitcoin transactions are public anyone can see what addresses you are sending funds to, and calculate your total balance. With an HD account new addresses are created whenever you send and receive funds, making your transaction activity and total balance very hard to track. But I liked it the way it was! Will I have to change the way I use it? All your keys, addresses and address book entries will be retained when you upgrade your app. The tab previously named “Keys” has been renamed to “Accounts.” Your old bitcoin addresses will become single address accounts, and you can continue to use them as before. We do advise that you switch to new HD accounts, though. You will also see your first empty HD account, which you can start using right away. What about previous backups? Do my old ones still work? Yes. You can still import keys and addresses you backed up with the previous version of Mycelium Wallet. However, we have removed the ability to create backups of single keys, or create new single addresses accounts. Instead, we advise you to backup your master seed and move your funds to the new HD wallet. As long as you keep your old backups, though, you will be able to recover your legacy accounts using Mycelium. To import a private key, switch to the “Accounts” tab, tap the icon with a key and plus symbol in the upper right corner, and select “Advanced”. Then scan your encrypted private key and enter the password. Will I be able to continue to use my current Local Trader identity? Yes. Your Local Trader identity will get carried over to the new version when upgrading along with your private keys. How do I make a backup? To create a backup, either tap the “Secure My Funds” button on the main page, or choose “backup” from the menu. You will be shown a list of words, one after the other. Write those words down with pen & paper. You then have to type in the words again, to make sure you got everything right. Store this word list in a safe place! Anybody who obtains this list can access current and future funds in your wallet! Note: The backup procedure only backs up your HD accounts. Your classic single address accounts are not part of this backup procedure. How do I restore a backup? If your phone is lost or damaged you can make a fresh install of the mycelium wallet on a different device. Upon startup, choose “Restore Backup”. Choose 12 as the length of your word list, and let the “password” checkbox unchecked, and proceed to enter your word list. This recreates your master seed and automatically creates and synchronizes your first HD account. It might take some time until your first account is synchronized and the balance updates. If you had more than one account, navigate to the “Accounts” tab, tap the button with a key icon and plus on the upper right corner, and choose “Add HD Account” to re-create your second account, etc. Note: This procedure only restores your HD accounts. To restore your classic accounts you have to manually import each key/address by going to the Accounts tab, click the + button, select Advanced, and then Import. If your previous Mycelium installation had a Local Trader account you can recreate your trader account and data by clicking “Buy/Sell Bitcoins”, select the “My Info” tab, click “Create” and select the account that your local trader identity was associated with. Can I restore a BIP44 wallet created with other software? Yes. When you start a fresh install of the app you get the option to restore a backup. You can choose between word lists lengths of 12, 18, or 24 words, and also supply an optional password in accordance with BIP39. This way you can restore all HD accounts generated by other wallets compatible with BIP44 and BIP39. For instance, this allows you to import your TREZOR word list in case your device was lost or damaged so you can quickly move your funds to safety.
So has anyone noticed any new bugs recently. I have had to start new wallets, pass off coins to other wallets on different devices because for some crazy reason my phone LG V20 cannot handle Mycelium BTC wallet demand on device? Can't send money to any wallet address unless they are Mycelium wallets, not Electrum, not any BTC address. Is there something fishy going on with the Mycelium team?
Didn't get to submit ID to mycelium's bitcoin purchase
EDIT: He got a notification saying the payment will be cancelled due to technical errors. Me and my father are new to bitcoin. He decided to buy some bitcoin from the mycelium app today. He entered in his billing details and he was apparently charged the price (65$). He went to submit ID when his phone camera emitted a file size too big. I went to help him try and compress the image. We returned to the webpage and got a "He's dead jim message" and he reloaded the page. Will he recieve his bitcoin? We are currently anxious about this.
Mycelium Bitcoin Wallet Feature of the Week & news
Hi everybody! I'm going to start doing weekly posts, showcasing one Mycelium feature I find interesting, and updating on what's going on with our team and development. We have tons of awesome stuff being worked on! So, without further ado, this is the feature that first got me into Mycelium (and impressed the heck out of me at the San Jose conference):
Spending from cold/paper wallet
Take out printout of private key
In Mycelium, go to the Menu is the top right corner (three vertical dots)
Select Cold Storage
Press QR Code, and scan the private key of your paper wallet. This loads the private key into your phone's secure memory, but does not save it to your storage.
Proceed to spend as normal, entering the Bitcoin address from either the QR code or clipboard, and entering the amount. Note - Mycelium will retrieve the balance of your paper wallet and will show that once you click the Enter Amount keyboard button (I asked the guys if they could make the balance a bit more prominent).
Hit send, and Mycelium Wallet will broadcast your transaction, send all the remaining change back to the paper wallet, and wipe the private key from your phone's memory.
This is a pretty great way to spend money from secure cold storage, without relying on a separate computer (as in Armory/Electrum) or a hardware wallet device (Trezzor). It's not as secure as offline signing, but it's much better than a wallet kept on your computer. When Jan first demoed this for me, he whipped out a private key on a folded business card stored in his pocket, spent money from it, and stuck it back into his pocket, with his phone posing no risk to his bitcoins. EDIT: This includes support for BIP38 encrypted paper wallets, so if you keep your key in that form, even if someone steals it, i won't be spendable. More here http://www.reddit.com/Bitcoin/comments/1xc5lw/mycelium_bitcoin_wallet_feature_of_the_week_news/cfa67fy In the news, the Mycelium team is traveling to the Inside Bitcoins conference in Berlin (but I won't be). While there, they will be unveiling a rather exciting and important new service that will be built right into the Mycelium Wallet. I regret not being able to go, because this new thing of theirs is really awesome, is related to a bunch of recent news, is very important for bitcoin's ecosystem and may help speed up adoption immensely, and I would have been promoting the hell out of it even if I wasn't a part of the team. So if you are going to the conference, make sure to find the Mycelium guys and pester them with questions! I won't be paid unless you pin them against a wall and ask them all about it :( And if you can't make it to the conference (It's €445!!!), don't fret. I'll still fill you in on the whole thing right here. I can't wait!
Is it possible to create two independent Mycelium Bitcoin Wallet HD wallets, using different seeds?
So, I am a user of Mycelium Bitcoin Wallet and am very happy to be using it. It has been some time since I created my HD wallet along with backing it up via pen & paper. What I want to do, to make it more secure, would be to periodically create a new HD wallet, along with a new seed, backup the seed, then send the coins from the old HD wallet to the new HD wallet, and not use the old wallet anymore (except for keeping the backup for archiving, in case someone sends funds to an old address). This would give me extra security in case someone has somehow gotten to my seed and copied it, waiting for a time when there is a larger amount of coins in it, and then stealing it. However, after creating another HD wallet and trying to backup it, I realized that it is created by the same master seed, and does not create a new one. Does anyone know if it is possible to do this, without deleting the original wallet?
The Mycelium User Manual This manual will show you how to create and secure a Mycelium Wallet on your android phone/tablet and how to send and receive payments. We reccomend Mycelium to all new and expert Bitcoin users. It is secure, easy to use, and has a lot of interesting functionalities. Overview: what is a Bitcoin wallet? A Bitcoin wallet is a software or application which lets you use ... Just download Mycelium Bitcoin Cash Module. It'll add Bitcoin Cash sending functionality to your wallet. Mycelium Bitcoin Cash Module is the first module implementing the new modular architecture. The module introduces limited Bitcoin Cash(BCH) accounts support which allows to discover BCH on your BTC accounts and instantly exchange it to BTC. The Default Bitcoin Wallet. ... Mycelium Wallet is great for bitcoiners. We will make it useful for everybody. Not Leaving Mankind Overboard. Bitcoiners know: no matter how hard banks try, a good wallet is still better than any e-banking app. We feel we should invite the fiat people to test the privilege. The MyCelium wallet is one of the oldest and most popular Bitcoin wallets available. It was first released in 2013 as an Android app and was later ported to iOS as well. Interestingly, the team behind MyCelium formed in 2008, before Bitcoin had been created and released. Bitcoin payment processor: everyone can accept BTC payments online privately and securely with initial setup lasting mere minutes. ... The safest way to store your bitcoin savings. Mycelium Entropy is a small USB device that uses hardware based entropy to generate real printed bitcoin "paper wallets"..
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