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Identity systems handle credential translation certification by anchoring multilingual VCs to blockchain-verified timestamps and digital signatures from authorized translators. Each translation is recorded as a VC linked to the original document’s DID. Zero-knowledge proofs (ZKPs) confirm accuracy without exposing content, while decentralized oracles fetch external validation (e.g., accreditation bodies). Users can share certified translations instantly, reducing reliance on physical stamps for cross-border use.