Event Added Updated Guide
What happens while a payment is unconfirmed
Part 4 of 5. A sent payment sits in a waiting room each node keeps on its own before a miner seats it in a block — and even then, it only gets safer with time.
confirmations
Entries tagged with this topic. Spans across types and sources — explore connections between people, events, and themes.
5 entries
Event Added Updated Private Correspondence 14 messages
Satoshi ↔ Mike Hearn — Initial Questions
Mike Hearn reports testing Bitcoin on Mac via Wine, asks about block counts, confirmation times for micropayments, proof-of-work coordination, and difficulty adjustment.
Event Added Updated Design Document
Bitcoin consensus design — proof of work, difficulty adjustment, and fork handling
How Bitcoin nodes agree on a single chain: SHA-256d proof of work, the difficulty adjustment algorithm, block validation rules, fork resolution, and probabilistic finality.
Event Added Updated Design Document
Bitcoin security model — attack surfaces, trust assumptions, and defense layers
Bitcoin's threat model mapped end-to-end: what the protocol trusts, what it defends against, how each attack is countered, and where open risks remain.
Event Added Updated Mailing List 25 messages
"Bitcoin P2P e-cash paper" — Satoshi's first Bitcoin announcement (Oct 2008)
Satoshi explains transaction finality, the target of 10-minute block intervals, and how Bitcoin transactions become sufficiently irreversible in 1-2 hours.