Blockchain Digital Mark Generation for Tamper-Proof Certificates

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Solution Overview

Problem

Current digital certificates are susceptible to tampering and unauthorized alteration, lacking security and legal efficacy due to their ease of copying and falsification, despite providing convenience over paper-based certificates.

Innovation Solution

A blockchain-based system for generating tamper-proof digital marks that anchor entity endorsements, ensuring the immutability and uniqueness of digital certificates by storing registration information and association relationships on a blockchain, preventing unauthorized use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If digital certificates are implemented as digital images or pdf renderings, then convenience over paper certificates is provided, but security and tamper-proof capability are compromised

Engineering Contradiction:
ImproveconvenienceVSAvoidsecurity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces traditional mechanical/digital image certificate systems with a blockchain-based cryptographic system. Instead of using PDF or image files that can be easily copied and altered, the system uses blockchain technology with cryptographic hashing and distributed ledger mechanisms to create digital certificates that are inherently secure and tamper-proof while maintaining digital convenience.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces blockchain as an intermediary layer between the digital certificate and the underlying data. The blockchain acts as a trusted mediator that anchors the certificate to immutable data, providing verification without requiring direct trust in the certificate file itself. This intermediary layer enables both convenience and security by allowing easy digital distribution while ensuring tamper resistance through cryptographic anchoring.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If digital certificates replace paper certificates, then ease of copying and distribution is improved, but susceptibility to falsification and unauthorized alteration increases

Engineering Contradiction:
Improveease of copyingVSAvoidfalsification
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent fundamentally changes the parameters of digital certificates by transitioning from traditional file-based formats to blockchain-anchored cryptographic structures. This parameter change includes using cryptographic hash functions, distributed consensus mechanisms, and immutable ledger entries, which transform the certificate from a easily copyable but falsifiable format to one that maintains copyability while providing cryptographic verification against falsification.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent substitutes the traditional mechanical copying and verification process with a cryptographic verification system based on blockchain technology. Instead of relying on physical security features or complex verification hierarchies, the system uses cryptographic proofs and blockchain consensus to verify authenticity, making falsification computationally infeasible while preserving ease of distribution.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If traditional digital certificate systems are used, then convenience is provided, but legal efficacy and authenticity verification are diminished

Engineering Contradiction:
ImproveconvenienceVSAvoidlegal effect
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent introduces blockchain as a trusted intermediary that provides legal efficacy to digital certificates. The blockchain's immutable ledger and consensus mechanism serve as a neutral, verifiable authority that anchors the certificate's authenticity. This intermediary enables legal verification by providing a tamper-proof record that can be independently audited, thereby enhancing the certificate's standing as legal evidence while maintaining digital convenience.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent implements a verification feedback mechanism where the blockchain network continuously validates and confirms the authenticity of digital certificates. Through cryptographic proofs and consensus validation, the system provides real-time feedback on certificate legitimacy, enabling quick verification of legal efficacy without compromising convenience. This feedback loop ensures that only authenticated certificates gain legal effect.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3863220B1System and method for generating digital marks
Publication Date: 2024.12.04 ANTCHAIN TECHNOLOGY PTE LTD
  • EP3863220B1 patent drawingFigure 1A
  • EP3863220B1 patent drawingFigure 1B
  • EP3863220B1 patent drawingFigure 2

AI summary

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating digital marks. One of the methods includes: obtaining entity information of an entity; transmitting the entity information to one or more nodes of a blockchain for storage in the blockchain; obtaining a transaction identification associated with storing the entity information in the blockchain; and generating a digital mark for the entity based at least on the transaction.