What is the valid character set for a spendingPassword?
https://cardanodocs.com/technical/wallet/api/v1/#section/Getting-Started/Creating-a-New-Wallet
What is the valid character set for a spendingPassword?
https://cardanodocs.com/technical/wallet/api/v1/#section/Getting-Started/Creating-a-New-Wallet
Anything should work, that password is converted into a 32-byte hash then hex-encoded for storage into 64-byte sequence.