OP_CHECKSIG is an opcode that verifies an ECDSA signature. It takes two inputs from the stack, a public key (on top of the stack) and an ECDSA signature in its DER_CANONISED format concatenated with sighash flags.
What the chain says
- Block
- 702 756
- Time
- 2021-08-31T12:49:11Z
- Signer
- 1A4KTKV8tFTNkSjzEjwA1J7Y6aUttu5fKZ
- App
- twetch
- Type
- post
- Content type
- text/plain
Fields the transaction did not carry are omitted. Open the payload to see the bytes as stored.
Signed by
1A4KTKV8tFTNkSjzEjwA1J7Y6aUttu5fKZ Verified