BU
BuildWithBitcoin/Satly-L1-Main
The home of Satly L1 code. Faster than lightning, programmable bitcoin.
Satly L1
Faster than lightning, programmable bitcoin.
Brand Update: Bitcoin L1 is now Satly L1
We’ve rebranded Bitcoin L1 to Satly L1. This change is purely cosmetic and does not impact any core services.
-
No changes to RPC endpoints or explorer hostnames
Existing services underbitcoinl1.netremain fully functional. No updates are required for current integrations. -
Support for
satly.comendpoints in the future
We may introduce additional RPC and explorer services under thesatly.comdomain. These will be optional and operate alongside existingbitcoinl1.netinfrastructure.
Both
bitcoinl1.netand futuresatly.comhostnames will be fully supported going forward.
Important Links:
- L1 Overview
- Block Explorers
- RPC URLs:
- Testnet:
https://testnet.rpc.bitcoinl1.net(chain id 132008)
- Testnet:
- Vavalon DEX
- Faucet:
Fuji Testnet
Fuji L1 Info
| Satly L1 Fuji | |
|---|---|
| L1 Name | Satly L1 |
| L1 Logo | ![]() |
| L1 ID | 2YpN9N8PGmRfM4eiyCs5YBCKjPwRQxYBFDWW7yZ8PhPHAmiNH2 |
| VM ID | WFQQxaywkqeEoioDtaSqCM3C4PQkPVbCgbK8VseYGSK1j5VNP |
| Chain Name | Satly L1 Testnet |
| Icon Logo | |
| Blockchain ID | 21sMT9kcBoLjhKKN7qiNHMZqajubr7tb7uowAdXPfnBY6ihKFE |
| Eth Chain ID | 132008 |
| RPC URL | https://testnet.rpc.bitcoinl1.net |
| WS RPC URL | wss://rpc1.bitcoinl1.net/ext/bc/21sMT9kcBoLjhKKN7qiNHMZqajubr7tb7uowAdXPfnBY6ihKFE/ws |
| Explorer URL | https://testnet.bitcoinl1.net |
| Description | Satly L1 |
| Site | https://build.satly.com |
Fuji L1 ERC-20 Tokens
| Symbol | Address | Decimals | Logo | Description |
|---|---|---|---|---|
| BTC | NATIVE | 18 | ![]() |
Bitcoin |
| wBTC | 0x21a352001166715294A54EDC637256Bc787B8a19 |
18 | ![]() |
Wrapped Bitcoin |
Bitcoin Token on Fuji
Bridged via ICM (formerly known as Teleporter)
| Contract | Address |
|---|---|
| BTCb Fuji Mock ERC20 | 0x6d3af0fb14c638df66fe97fa43130646c66da557 |
Fuji Uniswap V2 Pairs
| Pair | Address |
|---|
Fuji L1 Contracts
| Contract | Address | Description |
|---|---|---|
| TeleporterMessenger | 0x253b2784c75e510dD0fF1da844684a1aC0aa5fcf |
TeleporterMessenger |
| TeleporterRegistry | 0xde257b4C0c5C9AcF964B0605e6D6202EdCC33789 |
Teleporter Registry |
| NativeTokenRemote | 0x6F67Fe132079265FFe54A7474B2469DbF99cf3d8 |
NativeTokenRemote |
| Balance Fetcher | 0x3Ea2D2B253E850e0ab060c7BE95E6879D095e4CA |
Balance Fetcher |
| Multicall 3 | 0x84E54e2B44eeA80e912A4Bc9c4f1E82699EDC044 |
Multicall 3 |
| Multicall 2 | 0xb0d2C62359015B57febAE280a99fCC40E1Cb7390 |
Multicall 2 |
| Multicall | 0x332644d50617ecB7f72b7CC5Bf51216E6bFAD0Bc |
Multicall |
| UniswapInterfaceMulticall | 0xB026eFA843D753bd7D6937355cE58d01c18D0682 |
UniswapInterfaceMulticall |
| Uniswap v2 Router | 0xe7dED06A2AFb574017b8fBe9C849329E9DA86852 |
Vavalon Router |
| Uniswap v2 Factory | 0x7a88eD0640CAb21C9C6F97a1c71b280bA1883156 |
Vavalon Factory |
| BTCFaucet | 0x302eB32d677642ea4E7c8AAbfA4FA846a02d1F98 |
BTC Faucet |
| Forwarder | 0xF9F784766Ea1DEcAef46350e075d52368b2B7625 |
EIP-2771 Forwarder |
Run your own node
- Run an Avalanche node
- Install Avalanche CLI on it
- Avalanche CLI Explorer L1CLI.com (handy)
Import and join an L1
Fuji:
- Import the L1 into Avalanche CLI
avalanche blockchain import file ./l1s/bitcoinl1-testnet/export.json
- Join the L1 with your node using Avalanche CLI
avalanche blockchain join BitcoinL1
- Reload AvalancheGo
sudo systemctl restart avalanchego
On this page
Contributors
GNU General Public License v3.0
Created January 15, 2025
Updated September 1, 2025

