Bitcoin qt dump private key and public key
It's best to import them using bitcoind as described below. User can choose to type in the private key manually or scan a QR code containing the private key using the camera. The user must wait 6 confirmations for access to the funds, and system is based on batch importation. It is extremely risky and not recommended to use BIPS or any online third-party service to import private keys, because they can steal your BitCoins if they have the keys.
After spending, the private key in memory is destroyed so the paper private key remains somewhat secure. Despite this, best practice is to immediately send the remaining balance to a paper wallet that was generated offline. Use this function if you would like to import a private key so all funds are immediately available for spending. After importing this paper private key, you might consider destroying the original so it cannot be found and your funds stolen.
Alternatively, you can keep it safe to be used as an offline backup. If you have Version 7 or later it is now trival. If you are using Cold storage , a Paper wallet or generating vanity addresses you may have a need to import a Private key. This article describes how to import a private key through the RPC API of bitcoind, which is a topic for advanced users. Instead, you need to start the bitcoind server.
This guide will help you recover your bitcoins from bitcoin core, then transfer them to a lightweight wallet that is easier to use. For this tutorial I will be moving coins from Bitcoin Core to Electrum.
The Electrum wallet only takes a few seconds to sync so it is easy to recover and spend your bitcoins from. Here is a download for Electrum , I will explain how to use it later in the guide. If your bitcoin core wallet is years behind from being synced to the blockchain, you probably will not see your coins in the wallet even if they are stored at your bitcoin address.
This can be very scary for new users, but rest assured your coins are safe and recoverable. The first step is to identify which bitcoin public address you need to recover coins from. Bitcoin core automatically generates your first bitcoin address for you but you can create as many new ones as you want. Once you have your bitcoin address, use a blockchain explorer website to check the balance of the address and make sure your coins are still there.
A blockchain explorer will tell you the live balance of your bitcoin address even if bitcoin core cannot display it yet. Here is my bitcoin address on Blockchain. Now that I know my bitcoins are safe and I have identified which address they are stored in, I can start the recover process. To export your bitcoin you will need to use the debug console to dump your bitcoin private key. We will be using the Electron Cash wallet to import the private keys and claim the Bitcoin Cash.
The first thing we need to do is export all of our private keys that contained Bitcoin at the time of the hard fork. Once we have exported the keys we will be able to import them into Electron Cash and then spend the Bitcoin Cash. To export the keys perform the following steps. With each private key copied to a text file, you are now ready to move onto the next step and claim your Bitcoin Cash. This step is optional but I highly recommend sending your full wallet balance to a new Bitcoin address where the private key will not be imported in the following steps.
The reason for doing this is to guarantee the creators of the Electon Cash wallet do not have access to your Bitcoin private keys and funds.