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): 02aebe73918c8543d2bdbcd94adbb10e932381ddd6342900fcb3427d667c2e1ed4