FIO NFT Signatures are the first decentralized solution to help creators and collectors on every blockchain protect themselves from NFT forgeries in a cryptographic and self-sovereign way.
Sign NFTs on any blockchain with FIO Crypto Handles: unique digital identities that are easy to share with fans. They’re NFTs themselves, fully decentralized and secured by private keys.
FIO NFT Signatures secure off-chain data by writing critical NFT info to the FIO blockchain: NFT chain type, address, token ID and URI, a hash of off-chain image, and the creator’s site URL.
Verify signature directly in NFT platforms, or use the FIO NFT Validator to authenticate with a simple search for FIO Crypto Handle, contract address, image hash, or the NFT image itself.
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