How exactly does the secure enclave work? As a Cashu user, I can see that the blinded messages are signed by a key that is controlled by the provider of the enclave? So the mint operator, and the mint code, doesn't directly have access to private key material? And I can check with the enclave pro...

Wow, so many cool developments related to Cashu. From built-in ecash options in apps like nostr:nprofile1qqszpxr0hql8whvk6xyv5hya7yxwd4snur4hu4mg5rctz2ehekkzrvcpp4mhxue69uhkummn9ekx7mqpr3mhxue69uhkummnw3ez6vp39eukz6mfdphkumn99e3k7mgd22h8g, to the launch of Numo Pay, native on-chain support, and now ...

No.

what does the spark backend do?

Wtf?