Ledgers have evolved from ancient tally sticks to the double-entry system, with each advancement fundamentally changing society and commerce.
The Bitcoin ledger is composed of validated transactions, which are ordered and secured within a chain of blocks using hashes and proof of work.
Altering a past transaction requires redoing the proof of work for that block and all subsequent blocks, making attacks economically costly and easily detectable.
Nodes can discard old transaction data by using Merkle trees, which summarize all transactions into a single root hash in the block header.
Bitcoin enhances the double-entry system by adding a third entry: a permanent, objective, and globally interoperable transaction record on the blockchain.
Users or specialized data archiving services are responsible for storing their own transaction data, creating a market for data curation and management.
SPV enables users to verify the validity of their transactions by using only block headers, which is crucial for scaling the user experience.
The global ledger exists as a distributed collection of data stored by specialized users and services, where any transaction can be validated against the chain of block headers.
The Bitcoin SV ledger provides a permanent, transparent, and secure data layer that reduces business costs and fosters global cooperation through shared information.
The discussion addresses community questions regarding node data storage obligations for large UTXOs, the definition of peers versus nodes, and the importance of a stable protocol.
1:16:37Jimmy Nguyen & Steve Shadders
39:53Brendan Lee
29:20Jad Wahab
33:37Jack Davies & Alessio Pagani
46:29Joshua Henslee
37:28Matej Trampuš & Steve Shadders
42:37Rafa Jiménez
52:11Jad Wahab
Jobs that call for the skills explored in this talk.
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Sarajevo, Bosnia and Herzegovina
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