Prove your data with this delightful tool.
BitFact fingerprints information and then etches it on the Ethereum Blockchain.
Install
Available in
npm install -g bitfact
yarn global add bitfact
Features
-
🖐️ Fingerprint any data with 2 easy calls. What's a fingerprint? -
♾️ Permanent hash etched on the Ethereum blockchain. -
⛽ Tiny gas fees (~21,000) - the same as sending ether. -
😎 Use with: mainnet (live), ropsten (testnet), & beaconchain (eth2).
Quickstart
provider
and privateKey
.
$ bitfact setup
Stamp
🪧 After setup, use bitfact stamp
with -f
to stamp a file or -t
to stamp text.
$ bitfact stamp -f hello_world.txt
⠓ Confirming..
🛡️ Success! Stamped on Blockchain:
Txid: 0xbae00000000000000005
Verify
$ bitfact verify -f hello_world.txt -tx 0xbae00000000000000005
⠓ Confirming..
🛡️ Response received from Blockchain.
Stamped: YES
Documentation
The code is well tested and fully documented. Pull requests to docs are welcome.
-
📗 Documentation Site: https://docs.bitfact.io/ - Project Repo: The documentation can also be viewed in the
docs/guides
folder on the repository.
Use Programatically
bitfact
as a module in your own project.
const BitFact = require("bitfact"); // load from npm or yarn
const bitfact = new BitFact({
provider: "https://mainnet.infura.io/v3/37a0db22401bbe211112",
privateKey: "321d3fa232e55dedee2bd914273f78897f69053b61437c5",
options: {chain: 'mainnet'}
});
const receipt = await bitfact.stampText("Hello World!", "this is my memo");
console.log(receipt);
BitFact | Crafted in Las Vegas (don't gamble with your data)