Proof that this file exist at the timestamp its uploaded. Backed by ethereum network, when you choose a file, we will compute the hash and upload it into the network for you. This way, it will be an evidence forever (so long Ethereum exist :P) that this file exist.
Try this app here
And here's a blog post on the tutorial for this app
Verify-file uses the following projects:
- React - UI
- Web3JS - Communication with the smart contract
- Ethereum network - Place where smart contract is
MIT