Blockchain Receipt Record for Data Correlation
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Solution Overview
Problem
In blockchain-type ledgers, data records with the same service attribute are distributed across data blocks, making it difficult to identify correlations between them.
Innovation Solution
A method and apparatus for storing receipt data in a centralized database server using a blockchain-type ledger, where a data block includes a block header and a block body, involving obtaining a to-be-stored data record, determining execution information, obtaining a previous data record with the same service attribute, generating a receipt record with a hash value, and writing both records into the same block body to establish correlation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If data records are distributed across different data blocks in a blockchain-type ledger, then storage capacity and decentralization are improved, but the ability to identify correlations between data records deteriorates
Solution Approach 1:
The patent introduces a receipt record as an intermediary element that contains a hash value of a previous data record. This receipt record serves as a mediator that links distributed data records together, allowing correlation information to be preserved without compromising the distributed storage structure. The receipt record acts as a bridge between the current data record and its historical counterpart, enabling traceability while maintaining decentralization.
2Productivity
If data records with the same service attribute are stored in different data blocks, then data distribution and scalability are improved, but data chain query and verification become more difficult
Solution Approach 1:
The patent implements a feedback mechanism where each data record includes a receipt record containing a hash value that references its parent data record. This creates a chain of references that automatically provides verification feedback, enabling efficient data chain queries even when records are distributed across multiple blocks. The hash value acts as a feedback signal that allows systematic verification without requiring centralized coordination.
3Quantity of substance
If correlation information between data records is not explicitly stored, then storage efficiency is improved, but the ability to perform data verification and tracing deteriorates
Solution Approach 1:
The patent uses cryptographic hash values as compact copies of reference information. Instead of storing complete correlation data, the system stores hash copies that are sufficiently small to maintain storage efficiency but sufficiently informative to enable verification. The hash value serves as a compact representation that preserves the essential verification capability without the overhead of storing full correlation information.
Data Source
AI summary
This disclosure relates to blockchain-type storage of receipt data. In one aspect, a method includes obtaining a to-be-stored data record including a first service attribute. Execution information of the to-be-stored data record is determined. A previous data record is obtained from a blockchain-type ledger. The previous data record includes a second service attribute that is the same as the first service attribute. Each data block in the blockchain-type ledger includes a block header and a block body. A hash value of the previous data record is determined. A receipt record is generated. The receipt record includes the hash value of the previous data record and the execution information of the to-be-stored data record. The to-be-stored data record and the receipt record are written into a same block body in the blockchain-type ledger.