Decentralized Media Registration With Blockchain Content Verification

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Solution Overview

Problem

Existing solutions for verifying multimedia content authenticity are inefficient, scalable, and prone to manipulation, particularly in the face of deepfake technologies, leading to widespread dissemination of false information.

Innovation Solution

A decentralized network multimedia content registration system (SRCM) utilizing blockchain technology, Keccak512 hashing, CBOR data format, and a Proof of Zero-Knowledge Elapsed Time (PoZET) consensus mechanism to ensure real-time, secure, and scalable verification of multimedia content.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual verification methods are used to verify multimedia content authenticity, then verification accuracy can be maintained through human expertise, but verification speed and scalability are severely limited

Engineering Contradiction:
Improveverification accuracyVSAvoidverification speed
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces manual human verification (mechanical system) with automated deepfake detection software that uses machine learning algorithms and digital forensics techniques. This substitution enables high-speed automated verification while maintaining detection accuracy through sophisticated computational methods rather than human review.

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

Solution Approach 2:

The patent introduces blockchain technology as an intermediary layer that provides immutable verification records for multimedia content. The blockchain serves as a trusted mediator that timestamps and authenticates content metadata, enabling rapid verification without requiring manual review while maintaining accuracy through cryptographic proof of authenticity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If deepfake detection software is deployed to identify manipulated content, then verification speed and automation are improved, but detection accuracy can be circumvented by sophisticated deepfake techniques

Engineering Contradiction:
Improveverification automationVSAvoiddetection accuracy
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The patent applies preliminary action by embedding authentication metadata and digital signatures into multimedia content at the moment of creation or upload. This pre-verification approach establishes a trusted baseline before deepfake manipulation can occur, allowing detection software to compare current content against the original authenticated version, thereby maintaining high detection accuracy even against sophisticated deepfakes.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent employs a composite verification system that combines multiple detection techniques (machine learning algorithms, digital forensics, blockchain verification, metadata analysis) into an integrated solution. This composite approach layers multiple detection methods to compensate for the weaknesses of individual techniques, making it significantly harder for sophisticated deepfake techniques to circumvent the verification system.

Inventive Principle:
Principle #40Composite materials

3Reliability

If blockchain technology is used to create an immutable registry for multimedia content, then data integrity and authenticity are guaranteed, but system complexity and implementation difficulty increase

Engineering Contradiction:
Improvedata integrityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts only the essential authentication metadata (hash values, timestamps, digital signatures) from the full multimedia content and stores these extracted elements on the blockchain. This selective extraction approach maintains data integrity and authenticity guarantees while minimizing blockchain storage requirements and simplifying the implementation complexity compared to storing entire content files on-chain.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent designs the blockchain verification system to serve multiple functions simultaneously: it provides immutable authentication records, enables rapid verification through hash comparison, timestamps content for provenance tracking, and creates a decentralized trusted registry. This multi-functionality reduces overall system complexity by consolidating multiple verification needs into a single blockchain infrastructure rather than requiring separate systems for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Reliability

If existing blockchain consensus mechanisms are used for data validation, then decentralized verification is achieved, but user intervention and response time are required for each validation

Engineering Contradiction:
Improvedecentralized verificationVSAvoidvalidation response time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-computing and storing cryptographic hashes and authentication metadata in the blockchain at the time of content upload. When verification is needed, the system simply compares the current content hash against the pre-stored hash, eliminating the need for time-consuming consensus validation for each verification request. This maintains decentralized verification reliability while reducing response time to near-instantaneous hash comparison.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4712403A1Decentralized network-based media registration system (SRCM)
Publication Date: 2026.03.18 EGEA ESCRIBÁ, JAVIER
  • EP4712403A1 patent drawing
  • EP4712403A1 patent drawing
  • EP4712403A1 patent drawing

AI summary

The present invention, called the Decentralized Network Based Media Content Registration System or SRCM, focuses on the authentication and verification of media content through a blockchain-based decentralized network. Using technologies such as a new consensus mechanism called PoZET, data encapsulation in CBOR format and Keccak256 hashing; the SRCM prevents alterations and bifurcations in the recorded data. In addition to its application on mobile devices and computers, this system is extensible and applicable to the synchronization and coordination of IoT nodes in SmartCities, guaranteeing the integrity of critical data. The SRCM also offers solutions to prevent the poisoning of Artificial Intelligences with artificially generated content, improving the quality of AI learning. In addition, the system has the property of increasing its security, the greater the number of nodes it has. This patent ensures the authenticity, security and validity of multimedia content in various technological environments. The present invention sits at the intersection of several technical areas and industrial sectors. These include: 1. Blockchain Technology 2. Computer Security and Cybersecurity 3. Artificial Intelligence and Machine Learning 4. Internet of Things (IoT) and Smart Cities 5. Software Development and Mobile Applications 6. Media and Social Media 7. Regulation & Regulatory Compliance 8. Digital Forensics & Content Auditing