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): 0287895582cee419eb8a729930b3cf27232e9f496b6ccf2f2164e8290389b477db