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Sign (SIGN) is an omni-chain attestation protocol that enables secure identity and credential verification across multiple blockchains using mechanisms like SignPass, and supports flexible token distribution through TokenTable. It empowers individuals, enterprises, and governments with verifiable digital attestations and scalable token issuance. The SIGN token facilitates governance and attestation-related utilities across Ethereum, BNB, Solana, TON, Starknet, Base, and other networks. As a cross-chain trust infrastructure, Sign aims to redefine digital proof and distribution standards.