London Halloween & Whitepaper Party | Fri 31 Oct 25

London Halloween & Whitepaper Party | Fri 31 Oct 25's avatar
London Halloween & Whitepaper Party | Fri 31 Oct 25
npub12dht...mut8
London Halloween & Whitepaper Party Celebrating 17 years of the Whitepaper & Bitcoin culture. A night of signal, zaps & connections with the UK ultimate bitcoin community. Join usπŸ‘‡ Friday 31st October 2025 6pm - 1am 🎟 FREE ENTRY πŸ“ BRIX LDN 16 Great Guildford St, SE1 #LondonWhitePaperParty
Day 51 Answer: C) A peer-to-peer timestamp server In the Bitcoin White Paper, Satoshi proposes a peer-to-peer timestamp server that uses proof-of-work to record the chronological order of transactions. This ensures that once a block is added to the chain, it becomes increasingly impractical to modify past transactions, preventing double-spending without relying on a trusted third party. View quoted note β†’