Connect to Bitcoin L2s

The Use Bitcoin page is a browser-based way to explore and connect to Bitcoin L2s.

Bitcoin L2 configuration

You can create your own Bitcoin L2 or connect to an existing public Bitcoin L2.

As you can see in the illustration above, Bitcoin L2 #2 has configuration as follows:

• Rollup protocol: Optimistic rollups

• Data available layer: Polygon

• Block time: 2 seconds

• Withdrawal period: 7 days

• RPC URL: https://node.nakachain.xyz/

• Chain ID: 42225

• Block explorer URL: https://explorer.nakachain.xyz/

Similar to other EVM-based blockchains, users can integrate the above configuration into their Metamask to interact, and developers can deploy their dApps on the Bitcoin L2.

Popular Bitcoin L2s

Mainnet:

Bitcoin L2 #3 (Swamps) mainnet endpoint:

Name: Swamps
URL: https://swamps.tc.l2aas.com/
Explorer: https://swamps-explorer.tc.l2aas.com/
ChainID: 45454
Symbol: SWP

Bitcoin L2 #2 (Naka) mainnet endpoint:

Name: Naka
URL: https://node.nakachain.xyz/
Explorer: https://explorer.nakachain.xyz/
ChainID: 42225
Symbol: BTC

Bitcoin L2 #1 (Alpha) mainnet endpoint:

Name: Alpha
URL: https://alpha.node.bvm.network/
Explorer: https://alpha.explorer.bvm.network/
ChainID: 42213
Symbol: BVM

Bitcoin Virtual Machine #0 mainnet endpoint:

Name: BVM
URL: https://node.bvm.network/
Explorer: https://explorer.bvm.network/
ChainID: 22213
Symbol: BVM

Testnet:

Bitcoin L2 #3 (Eternal AI) testnet endpoint:

Name: Eternal AI
URL: https://testnet.eternalai.org/rpc
Explorer: https://testnet.eternalai.org/
ChainID: 45551
Symbol: AI

Bitcoin L2 #2 (Bitcoin Arcade) testnet endpoint:

Name: Bitcoin Arcade
URL: https://testnet.bitcoinarcade.xyz/rpc
Explorer: https://testnet.bitcoinarcade.xyz
ChainID: 23508
Symbol: ARCA

Bitcoin L2 #1 (NOS) testnet endpoint:

Name: NOS
URL: https://l2-node.regtest.trustless.computer
Explorer: https://nos-explorer.regtest.trustless.computer
ChainID: 42070
Symbol: BVM

Bitcoin Virtual Machine #0 testnet endpoint:

Name: BVM
URL: https://tc-node-auto.regtest.trustless.computer (metamask compatible, do not require tx to be inscribe)
URL: https://tc-node-manual.regtest.trustless.computer (require inscribe tx to bitcoin network)
Explorer: https://explorer.regtest.trustless.computer
ChainID: 22215
Symbol: BVM

Private Bitcoin Virtual Machine #0 endpoint (if you're running your own full node):

Name: BVM
URL: http://localhost:10002
Explorer: http://localhost:4000
ChainID: 22213
Symbol: BVM

Public Bitcoin testnet explorer:

https://blockstream.regtest.trustless.computer/regtest/