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): 03c352732b8560b891c35275de67e4bc1bbf3d6313ccb99f474a8cde65637c5066