OEURO — EUR Clearing Token · Technical White Paper & Audit Reference

Abstract

OEURO is a EUR-denominated clearing token designed for direct account-to-account settlement.It is implemented as a restricted ERC-20 token with 6 decimals and a deliberately narrow functional scope.Its primary purpose is clearing and settlement, rather than market trading or speculative use.Ordinary transfers are designed for direct EOA-to-EOA circulation.The reference implementation disables approve() and transferFrom().Ordinary transfers to smart-contract recipients are rejected. Minting and burning are explicit operations controlled by the manager.Authorized oracles may submit MINT or BURN requests but cannot directly alter token supply.Oracle requests remain valid for 24 hours and must be executed or rejected by the manager.External clearing references are protected against replay through single-use proof handling.The architecture therefore separates attestation authority from final settlement authority.OEURO uses a restricted recipient model for sensitive infrastructure addresses.The reference contract uses OpenZeppelin ERC-20 and Ownable2Step components.Ethereum Sepolia is used as the current public reference testnet environment.This Zenodo archive contains the Solidity source code, ABI, flattened contract and the OEURO technical white paper and audit reference.