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How to spend bitcoin using private key.How to import private keys

 
Partial spend from cold storage Download Mycelium from the Android Play Store or through iTunes. Press the menu button and select “Cold Storage” Scan in private key Select your destination address Select the amount Press the blue currency tag at the top to toggle currency. Press the blue currency. Prepare the transaction via createrawtransaction command, specifying outputs that you want to spend, Sign the transaction using your imported private key via signrawtransaction, Send it onto network using sendrawtransaction. Be careful when using this API as Bitcoind does not protect you from making fatal mistakes, rendering your coins unspendable. Jun 18,  · Bitcoin private key is a secret number generated to allow individuals to spend their bitcoins. When users are issued with a bitcoin address, they are also issued with a bitcoin private key. It is usually a bit number and since it is the golden ticket that allows an individual to spend his or her bitcoins, it needs to be kept safe and securely. A private key can be used to accept, sell and Estimated Reading Time: 3 mins.

Your Answer.transactions – How do I spend Bitcoins from a specific address? – Bitcoin Stack Exchange

 
 
Prepare the transaction via createrawtransaction command, specifying outputs that you want to spend, Sign the transaction using your imported private key via signrawtransaction, Send it onto network using sendrawtransaction. Be careful when using this API as Bitcoind does not protect you from making fatal mistakes, rendering your coins unspendable. Jun 18,  · Bitcoin private key is a secret number generated to allow individuals to spend their bitcoins. When users are issued with a bitcoin address, they are also issued with a bitcoin private key. It is usually a bit number and since it is the golden ticket that allows an individual to spend his or her bitcoins, it needs to be kept safe and securely. A private key can be used to accept, sell and Estimated Reading Time: 3 mins. Partial spend from cold storage Download Mycelium from the Android Play Store or through iTunes. Press the menu button and select “Cold Storage” Scan in private key Select your destination address Select the amount Press the blue currency tag at the top to toggle currency. Press the blue currency.
 

 

How to spend bitcoin using private key.How to import private keys – Bitcoin Wiki

 
Partial spend from cold storage Download Mycelium from the Android Play Store or through iTunes. Press the menu button and select “Cold Storage” Scan in private key Select your destination address Select the amount Press the blue currency tag at the top to toggle currency. Press the blue currency. Prepare the transaction via createrawtransaction command, specifying outputs that you want to spend, Sign the transaction using your imported private key via signrawtransaction, Send it onto network using sendrawtransaction. Be careful when using this API as Bitcoind does not protect you from making fatal mistakes, rendering your coins unspendable. Jun 18,  · Bitcoin private key is a secret number generated to allow individuals to spend their bitcoins. When users are issued with a bitcoin address, they are also issued with a bitcoin private key. It is usually a bit number and since it is the golden ticket that allows an individual to spend his or her bitcoins, it needs to be kept safe and securely. A private key can be used to accept, sell and Estimated Reading Time: 3 mins.
 
 
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Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. What’s happening when I use importprivkey? Are the coins merged to my existing private key or is the new key added to my wallet? I want to import a private key, receive funds on it, and send the same coins using this key, not the others present in my wallet, is it possible with RPC commands?

When you use importprivkey , the new private key is added to your wallet, giving you the ability to send coins received by a corresponding Bitcoin address. Your “balance” will also reflect this, including the coins accessible by this key in the total balance.

Bitcoind low level API gives you a pretty fine-grained control over your coins. Since there is no notion of a “source address” in the Bitcoin protocol, you have to specify the exact transaction and its output that you want to spend.

Instead of using the common high-level RPC like sendtoaddress , you need to manually create a raw transaction , which comes in a few steps:. Be careful when using this API as Bitcoind does not protect you from making fatal mistakes, rendering your coins unspendable.

Make sure you test your code on the testnet thoroughly before going live. Yes, you can send from specific address using RPC. For sure you can send money from specific address using raw transactions. I haven’t used bitcoind for a while, but I hope they might already have added CoinControl. A good way to think of it is when you import a key to your wallet all of its inputs are added to the “input pool” as i like to call it. When a sendtoaddress or sendmany command is initiated it will pull what it thinks are the best inputs to make that transaction from the “input pool”.

This is the way its designed to work. But if you want to customize it to work with you it is possible. Just always be cautious of modifying and know what your doing. Mistakes with bitcoin transaction are irreversible and can be quite costly. You have a few options. Accounts are usefull for this. A wallet can have multiple accounts. Think of accounts as a way to group keys together. You could make a new account for each user then use the sendfrom command to initiate all withdrawals from the wallet.

Where “fromaccount” is the account you want to send from. This will send only from the account you specify. Each account can have as many addresses as you like or just one. Just be aware accounts should never be used for balance tracking. Only for groupings of keys. And if you ever use the sendto or sendmany commands they will pull the inputs from all accounts to make the withdrawal. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. How do I spend Bitcoins from a specific address? Ask Question. Asked 6 years, 11 months ago. Active 6 years, 7 months ago. Viewed 3k times. Improve this question. Nick ODell Add a comment. Active Oldest Votes. Instead of using the common high-level RPC like sendtoaddress , you need to manually create a raw transaction , which comes in a few steps: Prepare the transaction via createrawtransaction command, specifying outputs that you want to spend, Sign the transaction using your imported private key via signrawtransaction , Send it onto network using sendrawtransaction.

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