The first step to create a cashu token is to choose a random secret (x).
The secret has to be impossible to guess or brute-force.
Click on 'generate' to create a random secret (x) and 'choose this secret' once you're ready to proceed.
Mint publicKey (K): 02efbe26af4ecb2898e374a50ac1f1b27d6521cc86b93f44c5e66b367f05343c1f