Kinoco Hacker Hands-on security practice
All challenges In progress
Forensics Level 5 95 points

Extract Message Hidden in Bitcoin Transaction

Mission

Analyze a Bitcoin OP_RETURN using a safe offline transaction fixture. transaction.json is a recorded artefact that needs no blockchain connection. Convert the nulldata output hexadecimal data to ASCII.

#forensics#blockchain#bitcoin#steganography#op_return

Clear it in 3 steps

Not started

  1. Start the environment

  2. Investigate the target

    Available after the environment starts

  3. Submit the flag