document-hashing

Offline, manual-first monitor for authoritative UK insolvency documents: records and hashes sources, routes changes through human review, and prepares signed updates; source adapters are not yet implemented.

Bitcoin Timestamp Verifier is a React-based web application that allows users to verify the existence of documents on the Bitcoin blockchain. The app generates a SHA-256 hash of the uploaded file and checks it against two blockchain APIs: Blockstream.info and Blockchain.com.

Storing data on the Ethereum Blockchain after a successful transaction between two traders