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): 029ddc430533b63f687366f1d9c00f99cb80e79eebda84c9afc8a995802d25bac3