Bitcoin Internals: Verifying Merkle Roots using Merkle Proofs in JavaScript
Автор: Edd Mann
Загружено: 2017-11-10
Просмотров: 18102
In this video we expand on the previous one where we computed a given list of transactions Merkle root using Merkle trees. We will now compute a Merkle proof for a given transaction, allowing clients to validate that a transaction exists in a block without having to download it's entire contents.
This technique is used widely in light-weight Bitcoin clients (using Simplified Payment Verification).
We codify a JavaScript solution which will create a Merkle proof for a transaction and then do the inverse and validate that proofs claim based on the blocks Merkle root.
Discussed in the video:
https://bitcoin.org/en/glossary/simpl...
https://www.bitcoinbook.info/
The source-code for this video can be found here:
https://gist.github.com/eddmann/6b8d0...
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