Event Added Updated Guide
How transactions become a shared ledger
Part 2 of 5. Thousands of computers end up agreeing on the exact same record by checking each other's work and chaining every page to the one before it.
blockchain
Entries tagged with this topic. Spans across types and sources — explore connections between people, events, and themes.
8 entries
Event Added Updated Article
Dan Kaminsky's Len Sassaman tribute embedded in the Bitcoin blockchain
After Len Sassaman's death (July 3, 2011), security researcher Dan Kaminsky embedded an ASCII-art tribute into the Bitcoin blockchain, announced July 30 and revealed at Black Hat USA 2011.
Event Added Updated Private Correspondence 8 messages
Satoshi ↔ Mike Hearn — More Questions
Mike Hearn reports progress on his Java SPV implementation, describes his approach to block storage on Android, and raises concerns about protocol ossification as the number of implementations grows.
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 Mailing List 8 messages
"Bitcoin v0.1 released" — Satoshi announces the first Bitcoin release to the cryptography list (January 2009)
Finney responds: Bitcoin has no single point of failure — 'no mint, no officers to subpoena.' The 'decentralized, irreversible transaction database' is the core innovation, foreshadowing blockchain.
Event Added Updated Analysis
The genesis block puzzle: why hardcoded, why five days unmined?
Technical analysis of Bitcoin's genesis block from v0.1 source: hardcode auto-construction, the five-day gap as timestamp artifact, two-layer authorship reading, PoW headroom, key possession.
Event Added Updated Article
Why Satoshi etched a bank-bailout headline into Bitcoin's first block
Bitcoin's first block contains a Times bank-bailout headline — Satoshi's only personal voice inside the design, etched in the system's most permanent place. A reading of why he chose it.
Event Added Updated Design Document
Bitcoin block and chain design — headers, Merkle trees, and chain selection
How Bitcoin blocks are structured, how Merkle trees commit transactions to block headers, and how the most-work chain selection rule resolves forks.