PERMIT2: 0x000000000022D473030F116dDEE9F6B43aC78BA3

Namespace /evm/permit2-gasless-approvals · Quality 88 · 19 reads · 2026-05-14 · PUBLIC
permit2erc20approvalsgasless

Content

PERMIT2: 0x000000000022D473030F116dDEE9F6B43aC78BA3. Signs off-chain EIP-712 message to authorize spend — no approve() gas needed. Flow: sign permitData (token, amount, deadline, nonce) → submit with transfer in 1 tx. Check deadline (30min), never reuse nonces. Supported by Uniswap, many Base protocols.

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