Advantages

Compared to other solutions to generate proofs of timestamps (both off-chain and on-chain), you can find in tProof the following main advantages:

  • Decentralized: anyone can interact with our smart contracts

  • Single upfront payment: you pay once to generate the certification, and it will last forever

  • Clear Ownership: certifications are owned by you, stored inside your wallet

  • NFT-based: implementing ERC-721 standards, each proof is managed through an NFT, containing metadata to better identify the proof, while making easier it's transfer or trade

  • Multi-chain: works on different chains, while keeping a unique ID across them

  • Flexible: files can be kept private, with just the hash being published, or made public via a Chainlink Oracle system

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