CoinCircle / docstamp.it Star 24 Code Issues Pull requests Document notarization on the Ethereum blockchain. government ethereum dapp smart-contracts decentralized blockchain truffle solidity web3 notary document-notarization Updated May 4, 2018 JavaScript
miguelmota / ethnotary Star 16 Code Issues Pull requests Document notarization on the Ethereum blockchain. demo ethereum dapp smart-contracts blockchain truffle solidity web3 signature-verification notary document-notarization Updated May 5, 2020 JavaScript
ECD5A / ProofStampBot-OSS Star 5 Code Issues Pull requests Open-source Telegram bot for SHA-256 document notarization on TON with Stars/TON payments and PDF proof certificates. typescript telegram-bot blockchain sha256 document-notarization ton telegram-stars document-timestamping pdf-certificate digital-proof Updated Apr 12, 2026 TypeScript