Moderato is Tempo's public testnet. It mirrors the Tempo mainnet environment (same EVM compatibility, same TIP-20 token standard, same transaction types) and includes a faucet that distributes test stablecoins for development.
Network details
| Parameter | Value |
|---|---|
| Network name | Moderato |
| Chain ID | 42431 |
| HTTP RPC | https://rpc.moderato.tempo.xyz |
| WebSocket RPC | wss://rpc.moderato.tempo.xyz |
| Block explorer | https://explore.tempo.xyz |
| Contract verification | https://contracts.tempo.xyz |
| Block time | ~0.5 seconds |
| EVM target | Osaka hardfork |
Test stablecoins
Moderato comes with four pre-deployed TIP-20 stablecoins:
| Token | Address |
|---|---|
| pathUSD | 0x20c0000000000000000000000000000000000000 |
| AlphaUSD | 0x20c0000000000000000000000000000000000001 |
| BetaUSD | 0x20c0000000000000000000000000000000000002 |
| ThetaUSD | 0x20c0000000000000000000000000000000000003 |
Using the faucet
You can call the faucet with an RPC method:
cast rpc tempo_fundAddress 0xYOUR_ADDRESS \
--rpc-url https://rpc.moderato.tempo.xyzThis funds your address with all four test stablecoins. Verify your balance:
cast erc20 balance 0x20c0000000000000000000000000000000000001 \
0xYOUR_ADDRESS --rpc-url https://rpc.moderato.tempo.xyzFee sponsorship on Moderato
Moderato provides a public fee sponsorship service at https://sponsor.moderato.tempo.xyz. Point your viem or Wagmi transport at this endpoint to test sponsored (gasless) transactions without running your own fee payer server. Validators on Moderato expect AlphaUSD for fee payment.
Related content
- How to Get Started Building on Tempo: connect to Moderato and send your first transfer
- What Is the Tempo Blockchain?: overview of the protocol
- How Do Transaction Fees Work on Tempo?: fee model and token selection