What is Nostr?
BitcoinIslandPH /
npub1kj4…9392
2023-02-17 01:41:00
in reply to nevent1q…xfxa

BitcoinIslandPH on Nostr: 3) The blockchain prevents double-spending this ensuring that each bitcoin can only ...

3) The blockchain prevents double-spending this ensuring that each bitcoin can only be spent once.
This is accomplished through a system of consensus, where network nodes must agree on the validity of each transaction.
Author Public Key
npub1kj45q0yzzhsxqmc3hcskwqfx55qash4zqfak69dlfd2vxgmdpx2qpx9392