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Bitcoin Sidechains & SPV Proofs

# Blockstream Sidechain Proposal: https://blockstream.com/sidechains.pdf # RSK Bitcoin Mainnet Sidechain w/ Solidity EVM https://media.rsk.co/bamboo-mainnet-beta-release-v0-4-0-is-here/ # Criticisms of Sidechain security by Peter Todd: 1. SPV proof security is weaker than full blockchain verification 2. Sidechain mining via merge mining tends towards large mining pools and centralisation https://www.reddit.com/r/Bitcoin/comments/2424×1/peter_todd_explainins_why_sidechains_are_insecure/

Bit2Me

23 August, 2021

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Bitcoin Q&A: Simplified Payment Verification (SPV)

What are Simplified Payment Verification (SPV) proofs? How are they used in a scenario with sidechains? This question is from the sixth session of MOOC 12, which took place on October 18th 2019. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop […]

Bit2Me

23 August, 2021

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Blockchain/Bitcoin for beginners 7: Blockchain header: Merkle roots and SPV transaction verification

How are transactions stored (and recorded) in the Blockchain blocks? Using a concept called a Merkle tree – in this video I break it down in depth with a simple example and show how a SPV node (Simple Payment Verification) node that does not keep a full copy of the blockchain transaction history – just […]

Bit2Me

23 August, 2021

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6. Wallets and SPV

MIT MAS.S62 Cryptocurrency Engineering and Design, Spring 2018 Instructor: Tadge Dryja View the complete course: https://ocw.mit.edu/MAS-S62S18 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61KHzhg3JIJdK08JLSlcLId Wallet operation, coin selection SPV walkthrough and node types and problems are covered. License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu

Bit2Me

24 July, 2020

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