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How to sweep bitcoin
Making an online purchase then the private key will be completely depleted of its bitcoins.
I can't speak for the coinomi app importing an extended key, but if you need to extract the private keys from the extended key, you can use http bip32.org/.Bitcoin Video Crash Course, know more than 99 of the population about Bitcoin.Which Software Clients Can Import and Sweep.Sweep, sweeping stationery giveaway 2016 a private key is the same as importing it, but with an extra step: all of the bitcoins belonging to the private key are sent to a new Bitcoin address on your software client.Copy the address and go back to the " Send " screen.Since sweeping involves sending a transaction (to yourself a miners fee.0001 BTC will usually be deducted from your balance.Look up the average recommended fee and lowball it by at least 50 (or any value you're comfortable with).Knowing the difference between importing a private key and sweeping it is important, especially if you use paper wallets.The idea is simple.Payment to Bob ( TXb2 ) This transaction is a final payment to Bob with dust already settled within a single output.However, click the " Receive " tab first to get a receiving wallet address where the dust will be swept.
Payment to Bob ( TXa1 ) A regular transaction including dust to Bob would look as follows: Inputs: 10 unspent dust outputs 1 unspent output (10.001).993.003 BTC ) Outputs: Bob's address Data size: 1500 bytes Transacted: 2 BTC ( inputs.
Here you see how the transaction will be constructed, what the value and the fee will be etc.
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These days, dust outputs are worth less than an average transaction fee paid to miners.
How to sweep dust For the purpose of this tutorial, I'll be using Electrum wallet on Mac.
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This is done via a Bitcoin transaction, so an internet connection is required to send out the transaction and complete the sweep.If any bitcoins belong to the private key, theyll now be included in your software wallets balance.Download Electrum Open your wallet and go to the list of addresses.I first entered the private extended key into the appropriate box on bip32.org, and I browsed through the custom derivation paths until I found the address that had the unspent output, which also displays the private key.December 15, 2017, 05:32:08 PM (Moderator: ThomasV ) Author, topic: How to "sweep" private key in electrum?Bitcoiner " that gets involved with, bitcoin faucets, online games and so on, the chances are your wallet is full of low-valued outputs.Past the receiving address in the "Pay to" field and move the " Fee " slider to the left to get the lowest fee rate.Additionally, any bitcoins sent to the paper wallet in the future will be credited both to the paper wallet and the software wallet.Note: Because you're sending bitcoins to yourself, it doesn't matter that the confirmation time is a few hours or even days.Entering that private key into the Coinomi app allowed me to sweep the balance of Bitcoin Cash that was in those unspent outputs.If youre still in doubt of whether to import or sweep a private key, you should probably sweep.If your wallet is password-protected (highly recommended) you will be prompt to sign the transaction with your password.Look at the " Delay " and " Time " rows to figure the acceptable confirmation time.Go back to the wallet and multiply the transaction size with a fee from the above interval.