rich1.0Davide_btc (npub1ux…t6vmm)https://nostr.ae/npub1uxzu9tgts7ejq7kzh9kkhra3lug0hujlj0h0f5z0kmdmjqulr8as6t6vmmnjumphttps://nostr.ae💡 Bitcoin Quiz: What is the smallest unit of Bitcoin called? #bitcoin #quiz