sybil resistance
Uses BSRL heuristics:

sybil resistance
Uses BSRL heuristics:

no custody risk
keys never leave device. no servers store funds.
9. reference implementation (minimal code)
fully functional skeleton in TypeScript for a Nostr + Bitcoin wallet:

this is the minimum working version for:
β sending BTC
β generating ZK proofs
β publishing reputation events over Nostr
10. conclusion
this client defines the minimal trustless interaction layer between:
Bitcoin payments
Nostr messaging
the Bitcoin Crown Fiscal Protocol
the Bitcoin Social Reputation Layer