Blockchain UTXO Protocol for Secure Electronic Document Management
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Solution Overview
Problem
Electronic documents used by governments and large organizations are vulnerable to external hacking, internal manipulation, forgery, and unauthorized falsification, lacking robust security and authenticity verification mechanisms.
Innovation Solution
A method utilizing a blockchain-based UTXO protocol that manages documents through a server, employing cryptographic technologies like public key-private key pairs and hash functions to ensure secure issuance, viewing, and revocation, with smart contracts for non-repudiation and periodic authenticity verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If electronic documents are used for government and organizational operations, then document processing efficiency and accessibility are improved, but security against hacking, manipulation, and forgery deteriorates
Solution Approach 1:
The patent introduces a blockchain-based intermediary system that mediates between document creators and users. The blockchain serves as a trusted third party that records document issuance, transfer, and verification transactions immutably, preventing forgery and manipulation while maintaining document accessibility and processing efficiency.
Solution Approach 2:
The patent replaces traditional mechanical trust systems (relying on physical signatures and organizational hierarchies) with cryptographic mechanisms. Public key infrastructure and digital signatures provide mathematical guarantees of document authenticity and non-repudiation, substituting physical verification processes with computational verification.
2Reliability
If cryptographic technologies are implemented for document security, then document authenticity and non-repudiation are improved, but system complexity increases
Solution Approach 1:
The patent implements a universal blockchain platform that handles multiple document management functions (issuance, transfer, verification, revocation) through a single standardized cryptographic framework. This multi-functional approach reduces overall system complexity compared to implementing separate cryptographic solutions for each function.
Solution Approach 2:
The system enables self-service verification where any user can independently verify document authenticity using publicly available blockchain data and standard cryptographic tools. This eliminates the need for complex centralized verification authorities and allows users to perform their own authenticity checks.
3Reliability
If blockchain technology is used to manage documents, then security against unauthorized access and forgery is improved, but processing speed and operational efficiency may deteriorate
Solution Approach 1:
The patent performs preliminary cryptographic operations during document issuance, embedding digital signatures and creating immutable blockchain records upfront. This preliminary action ensures that subsequent verification operations are fast and simple, requiring only cryptographic validation rather than complex security checks.
Solution Approach 2:
The system creates lightweight cryptographic copies (hashes and signatures) of document data that can be rapidly verified without processing the entire document. These cryptographic representations serve as efficient verification tokens that maintain security while enabling fast processing.
Data Source
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AI summary
The present invention relates to a method for managing a document on the basis of a blockchain by using an unspent transaction output (UTXO)-based protocol, and a server using the same. Specifically, the purpose of the present invention is to manage a document, and the present invention relates to: a method for preparing a document, that is, a method for issuing a document; a method for using the prepared document, that is, a method for reading the prepared document; and a method for handling the prepared document, particularly, a method for destroying the prepared document.