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Bitcoin is a decentralised digital currency which has been growing rapidly in popularity and use. This blog post covers some technical topics about the Bitcoin block chain, regtest bitcoin mining you might want to read up on the subject beforehand. The standard Bitcoin client, Bitcoin Core has three networks it can run on: This is the real Bitcoin network, with the block chain that everyone uses. Every now and then the developers nuke the ledger to prevent selling off testnet bitcoins, and also to reset the mining difficulty low enough so a CPU can effectively mine.
Currently regtest bitcoin mining is called testnet3. The testnet runs on a different TCP port, has a different genesis blockand the Bitcoin addresses start with different letters.
New in Bitcoin Core 0. It also has its own genesis block, and when you start your client, no peers are registered, and nothing is initially mined by anyone. After the initialisation of the Bitcoin Core daemon, i. I have created a Docker image which simply allows you to run Bitcoin Core in a Docker container. After cloning the repository, hop into it and run:. There is a version 0.
We are going to run two docker instances, one for Alice and one for Bob. Both containers will run their own Bitcoin peer using bitcoindand initially the only thing in common will regtest bitcoin mining the regtest genesis block which regtest bitcoin mining hard-coded in Bitcoin Core.
Run the following commands in their own windows:. Start bitcoind on both containers like so:. The rest of the examples will use this. Using rt, this is the equivalent of the previous command:. Right now there are no mined blocks, and no peers connected. A log entry in both peers should appear similar to the following. If not, try it again or wait a bit. Just on Alice, run setgenerateand regtest bitcoin mining that is done, check out your new, freshly mined 50 bitcoins:. Block rewards are released after confirmations why?
To do this, just get one of the nodes to quickly mine 6 blocks:. And the final screenshot shows Bob just received 6 regtest bitcoin mining and his balance is now 42 bitcoins:. The Bitcoin Core testnet loading screen.
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