tempo-app
Web app on Tempo Moderato testnet: passkey auth, DEX swaps, TIP-20 tokens, payments with memo
In the AI payments ecosystem
tempo-app is an early-stage JavaScript project in the AI payments / x402 ecosystem, focused on evm, passkey-demo, stablecoin, tempo. It currently has 1 GitHub stars and 0 forks, and sits alongside related tools like mppx, x402-flow-facilitator, sdk, remlo, piprail, mono.
Tempo App
A web3 application built on Tempo Moderato testnet — a payments-first blockchain with instant finality and stablecoin-native gas.
Live demo: https://tempo-colonism.vercel.app
Features
- Passkey authentication — create a wallet via Face ID, Touch ID, or Windows Hello (WebAuthn/P256), no seed phrase required
- Dashboard — view balances across all TIP-20 stablecoins
- Tokens — create and manage TIP-20 tokens via the factory contract
- DEX — swap stablecoins on Tempo's native Stablecoin DEX (market and limit orders)
- Pay — send payments with memo fields for reconciliation
- Faucet — claim testnet tokens (pUSD, aUSD, bUSD, tUSD)
- Ask AI — built-in AI assistant
Stack
- React 18 + Vite
- wagmi v3 + viem v2 + ethers v6
- WebAuthn / passkey signing (
@simplewebauthn) - Tempo Moderato testnet — chain ID 42431
Network
| Parameter | Value |
|---|---|
| Network | Tempo Moderato Testnet |
| Chain ID | 42431 |
| RPC | https://rpc.moderato.tempo.xyz |
| WSS | wss://rpc.moderato.tempo.xyz |
| Explorer | https://explore.tempo.xyz |
| Faucet | https://faucet.moderato.tempo.xyz |
Predeployed Contracts
| Contract | Address |
|---|---|
| TIP-20 Factory | 0x20fc000000000000000000000000000000000000 |
| Stablecoin DEX | 0xdec0000000000000000000000000000000000000 |
| Fee Manager | 0xfeec000000000000000000000000000000000000 |
| TIP-403 Registry | 0x403c000000000000000000000000000000000000 |
| Keychain | 0x0000000000000000000000000000000000000801 |
Getting Started
npm install
npm run dev
Or run with the key manager server:
npm run dev:all
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