Bitcoin Virtual Machine #0 is a special computer. It brings the EVM to Bitcoin and is as the base layer for other Bitcoin Virtual Machines to build upon.
This guide will show you how to run a Bitcoin Virtual Machine full node.
Follow the guide in this repo for easy setup: https://github.com/TrustlessComputer/trustless-node-easy
curl -s https://raw.githubusercontent.com/TrustlessComputer/trustless-node-easy/main/setup-mainnet.sh -o setup-trustless.sh
chmod +x setup-trustless.sh
sh ./setup-trustless.shBitcoin Core provides both a Bitcoin full node and a wallet. Working with Bitcoin Virtual Machine #0 requires a Bitcoin full node with RPC enabled.
After installing Bitcoin Core, run bitcoind with -server=1 :
./bitcoind -server=1It may take some time for your Bitcoin full node to be fully synced.
Bitcoin Virtual Machine #0 is a Turing-complete virtual machine. It is written in Go, and pre-built binaries are available on the download page.
After downloading the binary, run chmod +x <filename> to allow executable permission. On MacOS, you may also have to go to Privacy & Security to allow the file to run.
Start your Bitcoin Virtual Machine #0:
If you set up your Bitcoin full node with a username and password, add those parameters.
Since Bitcoin Virtual Machine #0 reuses EVM, your BVM native address is similar to an Ethereum address. You can create a new BVM address with any EVM-compatible wallet. We recommend MetaMask.
In MetaMask, click on Networks --> Add Network --> Add a network manually. Use the following settings to point MetaMask to the Bitcoin Virtual Machine running on your machine.
Name: Bitcoin Virtual Machine
URL: http://localhost:10002
ChainID: 22213
Symbol: TC
BVM is the native cryptocurrency of Bitcoin Virtual Machine. Similar to ETH, you can use BVM to pay transaction fees, deploy smart contracts, and spend in dapps.
Bitcoin Virtual Machine reuses Blockscout for blockchain exploration data such as blocks, transactions, and addresses.
Launch Bitcoin Virtual Machine #0 Explorer:
Open this URL on your browser:
There are many different tools for smart contract development. For this developer guide, we use Hardhat, but you're free to use a different tool.
If you're brand new to smart contracts, start with the Introduction to Smart Contracts.
Your Bitcoin Virtual Machine #0 uses two wallets: a Bitcoin wallet and a native wallet. You need funds in both wallets in order to operate Bitcoin Virtual Machine #0.
A Bitcoin Core wallet named tc is automatically created by Bitcoin Virtual Machine #0. Because Bitcoin Virtual Machine #0 uses Bitcoin Core to manage private keys, sign transactions, and broadcast transactions to the Bitcoin network, your tc wallet will need some sats.
Get a new address from your tc wallet and send it some funds:
You can check the balance with:
Since Bitcoin Virtual Machine #0 reuses EVM, your native address is similar to an Ethereum address. You can create a new native address with any EVM-compatible wallet. We recommend MetaMask.
You will need some TC, the cryptocurrency of Bitcoin Virtual Machine. Similar to ETH, you can use BVM to deploy smart contracts, pay transaction fees, and spend in dapps.
The native address is the same as the one that you use to run your Bitcoin Virtual Machine #0.
You can check your BVM balance on MetaMask.
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./tc -c <btc-node-cookie-file-path> -i <your-tc-address> # specify your Bitcoin Virtual Machine native address./tc -u <btc-node-username> -p <btc-node-password> -i <your-tc-address>docker compose -f docker/docker-compose-blockscout.yml uphttp://0.0.0.0:4000npm install --save-dev hardhat./bitcoin-cli -rpcwallet=tc -getnewaddress./bitcoin-cli -rpcwallet=tc getbalances./tc -i <your-tc-address>