We have an API which we haven’t made public and you can build your own implementation to sign and store data by using the Bitcoin Attestation Protocol. https://github.com/icellan/bap/blob/master/README.md
What the chain says
- Block
- 639 030
- Time
- 2020-06-12T09:37:35Z
- Signer
- 17mv3xxFGGokNYaPyCSuVVbqjJjppAEpq3
- App
- twetch
- Type
- post
- Content type
- text/plain
- Name in tx
- twetch#774
Fields the transaction did not carry are omitted. Open the payload to see the bytes as stored.
Signed by
17mv3xxFGGokNYaPyCSuVVbqjJjppAEpq3 Verified