OUSD contracts.
The official OUSD addresses on all four chains. Every build prompt already includes the right one for the chain you pick.
Base
0xB2000000000000000000002fEb517dFeC7415344
- Network
- Chain ID 8453
- Gas
- ETH on Base (cheap). Turn on Privy gas sponsorship for Base so users never need ETH.
- Transaction link
- https://basescan.org/tx/<hash>
Ethereum
0x9f6F3991D525015a6F8CaF062C83b62fD3AC4436
- Network
- Chain ID 1
- Gas
- ETH on L1 — the most expensive chain. Sponsor gas with Privy or warn users before every send.
- Transaction link
- https://etherscan.io/tx/<hash>
Solana
ousd2mJsPEckLHcSCDxyKD7NDGARZcfLbDZkKiatYHB
- Network
- mainnet-beta
- Gas
- SOL (fractions of a cent). Enable Privy Solana gas sponsorship or keep ~0.01 SOL in the user's wallet.
- Transaction link
- https://solscan.io/tx/<hash>
Tempo
0x20c0000000000000000000006a37DA5C996874BE
- Network
- Chain ID 4217
- Gas
- Fees are paid in stablecoins, no native gas coin. Use Privy `sponsor: true`.
- Transaction link
- https://explore.tempo.xyz/receipt/<hash>
Source: joinopenstandard.com/integrate ↗
RestrictionsOUSD is not available in the European Economic Area or sanctioned regions, and may not be used for gambling, lotteries, prediction markets, adult content, weapons and other prohibited uses. Read the full list ↗