ARC-TBD: Algo X EVM Accounts#375
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The implementation repo is here. Some discussions have been started in the repo discussions board to keep things thematically grouped, as the flat discussions view in popular arcs can get very noisy. we can sync conclusions at a later stage. EIP-712 Chain ID: Singular or per-network? Impacts generated addresses |
Updated author username format in the document.
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Opened a request to register chain ID 4160. |
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A LogicSig standard enabling EVM wallets to control Algorand accounts via EIP-712 signed ECDSA secp256k1 signature verification.
Abstract
This ARC specifies a LogicSig-based standard that allows any Ethereum (EVM) wallet address to control an Algorand account without requiring the user to manage a separate Algorand private key. A deterministic LogicSig program is compiled per EVM address by substituting the 20-byte Ethereum address as a template variable. To authorize an Algorand transaction, the EVM wallet signs the transaction ID (or atomic group ID) using EIP-712 typed structured data. The LogicSig verifies the ECDSA (secp256k1) signature on-chain using the AVM's native
ecdsa_pk_recoverandkeccak256opcodes, and approves the transaction if and only if the recovered Ethereum address matches the template owner. This approach requires no changes to the Algorand protocol and enables users of MetaMask and other EVM wallets to interact with Algorand dApps using their existing credentials.