# Article Overview: Understanding SIGN Protocol
SIGN Protocol is the world's first omni-chain attestation solution enabling seamless verification across Ethereum, Solana, TON, and other blockchains. This comprehensive guide explores how SIGN addresses critical Web3 verification challenges—trust fragmentation, cross-chain barriers, accessibility, and document authenticity—through innovative blockchain technology. Designed for individual users, developers, and organizations, SIGN combines EthSign's legally-compliant document signing, TokenTable's token distribution capabilities, and Schema Registry's standardized verification frameworks. The native $SIGN token powers ecosystem operations and governance participation. Readers will discover SIGN's competitive advantages, proven real-world implementation handling $130M+ in tokens, and its vision for decentralized digital trust infrastructure. Whether you're seeking secure document verification, cross-chain interoperability, or regulatory-compliant solutions, this