Protocols
DeFi protocols, payment systems, and bridges that move stablecoins
Uniswap
DEXThe largest decentralized exchange. Facilitates stablecoin swaps and liquidity across 40+ chains.
Curve Finance
DEXThe stablecoin DEX. Optimized for low-slippage swaps between pegged assets. Also issues crvUSD.
Aave
LendingThe largest DeFi lending protocol. Issues GHO stablecoin and facilitates stablecoin borrowing/lending.
x402
PaymentsHTTP 402 payment protocol by Coinbase. Enables stablecoin payments over HTTP for AI agents and APIs.
MPP (Machine Payments)
PaymentsMachine Payments Protocol co-developed by Tempo and Stripe. Machine-to-machine stablecoin payments.
Circle CCTP
BridgeCross-Chain Transfer Protocol. Native USDC bridging with burn-and-mint across supported chains.
LayerZero / Stargate
BridgeOmnichain interoperability protocol. Stargate enables native stablecoin bridging across 20+ chains.
MakerDAO / Sky
LendingThe original DeFi lending protocol. Issues DAI and USDS against overcollateralized vaults.
Compound
LendingAlgorithmic money market protocol. Major venue for stablecoin lending and borrowing.