Blockchain Merkle Tree Peer Verification
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Solution Overview
Problem
Centralized databases face issues such as single points of failure, dependency on network connectivity, limited data access, and difficulty in data retrieval due to lack of redundancy, necessitating a solution for enhanced reliability and accessibility.
Innovation Solution
A blockchain network is employed, utilizing orderer peers to create and propagate block sequences, with peripheral peers calculating hashes and verifying integrity through merkle trees to detect malicious peers and ensure data consistency across the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a centralized database is used, then ease of management and control is improved, but reliability deteriorates due to single point of failure
Solution Approach 1:
The centralized database is segmented into multiple decentralized nodes distributed across the network. Each node maintains a copy of the blockchain ledger, eliminating the single point of failure while preserving management capabilities through consensus protocols.
Solution Approach 2:
Instead of storing data in a single centralized location, multiple identical copies of the blockchain ledger are created and distributed to each node in the network. This ensures that if one node fails, the data remains accessible from other nodes, thereby improving reliability while maintaining ease of management through automated replication.
2Quantity of substance
If data is stored in a single location, then data redundancy is minimized, but data loss retrieval becomes difficult
Solution Approach 1:
The system creates and maintains multiple copies of the blockchain ledger across distributed nodes. Each node stores a complete or partial copy of the ledger, ensuring that data redundancy is achieved without centralization. This allows easy data retrieval even if some nodes fail or data is unexpectedly lost.
3Reliability
If a decentralized blockchain network is implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The blockchain network implements automated consensus mechanisms and peer-to-peer verification protocols that allow nodes to self-manage and self-verify without centralized coordination. Each node independently validates transactions and blocks, reducing the need for complex external management systems while maintaining high reliability through distributed consensus.
4Reliability
If merkle tree verification is performed for each block, then data integrity is ensured, but processing time increases
Solution Approach 1:
Instead of verifying the entire blockchain ledger for each block, the system extracts and verifies only the merkle root hash of each block. This extraction approach maintains data integrity verification while significantly reducing processing time, as comparing hash values is computationally much less intensive than verifying all individual transactions within each block.
Data Source
AI summary
An example operation may include one or more of receiving, by each of one or more peripheral peers of a blockchain network, a sequence of new blocks from an orderer peer, calculating hashes for the sequence of new blocks, adding the hashes to a merkle tree, determining the merkle tree is different than merkle trees from a majority of peripheral peers, determining that one or more blocks that correspond to the different merkle trees from the majority of peripheral peers are different from the sequence of new blocks, and in response ceasing committing blocks to the blockchain network.