Document signing and signature verification on Blockchain


Sig Verify stands as an avant-garde solution in the realm of document signing and signature verification, leveraging the advancements in blockchain technology, specifically built on the XRP Ledger. Its core objective is to transition the conventional method of document signing from traditional e Signatures and digital signatures to a digitized and tokenized format, thereby enhancing security, transparency, and efficiency in transactions involving various types of assets.

Some key points about the project:

  • Innovative Approach: Sig Verify pioneers a novel use of blockchain and InterPlanetary File System (IPFS) for decentralized and trustless document sharing and signing, setting a new standard in the industry.
  • Security Focus: The project prioritizes robust encryption methods, such as AES-GCM and RSA-OAEP, to ensure utmost privacy and data security for users.
  • Decentralization: By leveraging decentralized storage through IPFS, Sig Verify eliminates single points of failure, enhances privacy, and ensures resistance to censorship.
  • Diverse Use Cases: Sig Verify presents impactful use cases spanning secure medical record sharing, legal document processing, intellectual property management, and more, thereby catering to a broad spectrum of needs in various sectors.
  • Scalability: The architecture of Sig Verify is designed to seamlessly scale to accommodate a growing user base without compromising performance, ensuring smooth operation even under high traffic conditions.
  • User Accessibility: Despite its intricate underlying technology, Sig Verify places a strong emphasis on user experience and interface design to ensure ease of use for all users.
  • Compliance and Privacy: The project assures adherence to data privacy laws globally, including HIPAA, UETA, FTC Safeguards, and others, making it suitable for deployment across diverse regulatory environments.
  • Sustainability and Futureproofing: Sig Verify outlines plans for continuous development, updates, and adaptability to future technological advancements, ensuring its relevance and effectiveness in the long term.
  • Community Impact: Sig Verify actively contributes to the broader XRP Ledger, blockchain, Web3, and decentralized technology community by setting new standards in secure document management and fostering collaboration through initiatives like the XRPL Campus Ambassador program and podcasts.
  • XRPL Node Contribution: As part of its commitment to the XRP Ledger ecosystem, Sig Verify plans to host one or more nodes, with a scaling strategy aligned with its increasing footprint and traffic on the ledger.
  • Clear Roadmap: The project provides a transparent and realistic roadmap outlining milestones and the long-term vision for Sig Verify’s development, instilling confidence in its execution and trajectory.

What problems is the solution trying to solve?

Sig Verify extends beyond traditional document signing, e Signatures, and signature verification by incorporating smart contracts and embedded metadata to create outcomes based on signatures as triggers. This innovative approach aims to solve a myriad of problems associated with legacy systems, including lack of automation, limited functionality, and fragmented data handling.

Sig Verify seeks to harness the power of blockchain technology, particularly the XRP Ledger, alongside decentralized storage through IPFS, to introduce a dynamic and versatile platform. By utilizing smart contracts and embedded metadata, the solution enables a wide range of use cases, such as appointment bookings, payments or payment requests, verification of item location, insurance management (enabling or disabling coverage), and countless others.

The integration of smart contracts empowers Sig Verify to automate processes and execute predefined actions based on signature events, thereby enhancing efficiency, accuracy, and transparency in transactions. This approach not only streamlines workflow but also opens doors to innovative applications across various industries.
Ultimately, Sig Verify aims to revolutionize document management and transactional processes by leveraging cutting-edge technologies, enabling seamless interactions, and paving the way for a new era of trustless, decentralized systems.

Sig Verify democratizes information distribution, enabling users worldwide to access documents freely and without censorship, which can be a limitation in centralized systems where content can be restricted or removed by the controlling entity. This functionality adds value by allowing users to control their own data and ensures that the uploader has sole control over who can view any encrypted documents, further enhancing privacy and security. By providing such decentralized and user-centric features, Sig Verify establishes itself as a pioneering solution in the realm of document management, fostering trust, transparency, and accessibility across global networks.

What benefits does blockchain bring to the project?

Blockchain technology offers several significant benefits for the Sig Verify project:

  1. Security: Blockchain’s decentralized and immutable nature ensures that documents and signatures stored on the ledger are highly secure and tamper resistant. This eliminates the risk of unauthorized alterations or fraud, enhancing the overall security of the platform.
  2. Transparency: Every transaction and signature recorded on the blockchain is transparent and auditable. This transparency fosters trust among users and stakeholders, as they can verify the authenticity and integrity of documents and signatures in real-time.
  3. Decentralization: By leveraging decentralized storage through IPFS and the decentralized nature of blockchain networks like the XRP Ledger, Sig Verify eliminates single points of failure and reduces the risk of data breaches or system downtime. This enhances reliability and ensures continuous availability of services.
  4. Smart Contracts: The use of smart contracts enables automation of processes and execution of predefined actions based on signature events. This not only streamlines workflow but also reduces the need for intermediaries, resulting in faster transaction times and lower costs.
  5. Embedded Metadata: Blockchain allows for the embedding of metadata within transactions, providing additional context and information related to documents and signatures. This metadata can be leveraged to create outcomes based on signature triggers, enabling a wide range of use cases and enhancing the functionality of the platform.
  6. Global Accessibility: Blockchain technology facilitates borderless transactions and access to the platform, enabling users from different geographic locations to participate in document signing and verification processes seamlessly. This global accessibility expands the reach and impact of Sig Verify.
  7. Compliance and Regulatory Alignment: Blockchain’s transparency and auditability make it well-suited for compliance with data privacy laws and regulations such as HIPAA, UETA, and GDPR. By adhering to these regulations, Sig Verify ensures that user data is protected and that transactions are legally enforceable.

The benefits of using blockchain technology for the Sig Verify project include enhanced security, transparency, decentralization, automation through smart contracts, embedded metadata for contextual information, global accessibility, and compliance with regulatory requirements. These benefits collectively contribute to the project’s ability to revolutionize document management and transactional processes in a secure, efficient, and compliant manner.

How to measure the success of the project?

The success of the Sig Verify project can be measured through several key metrics:

  1. User Adoption Rate: The number of users actively utilizing the platform for document signing and signature verification indicates the level of acceptance and adoption in the market.
  2. Transaction Volume: Tracking the volume of transactions processed through Sig Verify provides insights into the platform’s usage and scalability.
  3. Customer Satisfaction: Regular feedback from users regarding the platform’s usability, reliability, and features can be collected through surveys, reviews, and support interactions.
  4. Smart Contract Execution: Monitoring the successful execution of smart contracts triggered by signature events indicates the effectiveness of the automation features and the platform’s ability to fulfill predefined actions.
  5. Compliance Adherence: Ensuring compliance with data privacy laws and regulations such as HIPAA, UETA, and GDPR is crucial for the platform’s success. Regular audits and assessments can validate compliance efforts.
  6. Security Incidents: Tracking the occurrence of security incidents, such as data breaches or unauthorized access attempts, helps assess the platform’s security posture and identify areas for improvement.
  7. Cost Reduction: Evaluating the cost savings achieved by users through the adoption of Sig Verify compared to traditional document signing methods, including time saved and operational efficiencies gained.
  8. Partnerships and Integrations: The number of partnerships established with organizations and platforms for integration with Sig Verify expands its reach and functionality, contributing to its success in the market.
  9. Revenue Generation: Tracking revenue streams such as subscription fees, transaction fees, or value-added services provides insights into the platform’s financial viability and sustainability.
  10. Community Engagement: Engaging with the broader blockchain and decentralized technology community through initiatives such as podcasts, events, and developer forums can help build a supportive ecosystem around Sig Verify.
Benefits & Outcomes
  • Enhanced Security: Utilizes blockchain and robust encryption methods (AES-GCM, RSA-OAEP) for highly secure and tamper-resistant document and signature storage.
  • Automation and Efficiency: Integrates smart contracts to automate processes and execute predefined actions based on signature events, improving transaction efficiency and accuracy.
  • Global Accessibility: Facilitates seamless, borderless participation in document signing and verification, expanding the platform’s reach and impact.
  • Scalability and User-Friendliness: Designed to scale seamlessly under high traffic conditions while maintaining a user-friendly interface for ease of use.
  • Compliance and Privacy: Ensures adherence to global data privacy laws (HIPAA, UETA, FTC Safeguards), making it suitable for diverse regulatory environments.
Further Info

Architectural Design

• Framework: Utilizes React.js for a dynamic and responsive user interface.
• Web Crypto API: Implements client-side encryption and decryption for enhanced security.
• Authentication: Uses JWT and cookies.

• Node.js and Express.js: Forms a scalable and efficient backend.
• Database: Leverages PostgreSQL database for storing user data, public keys, and document metadata.

Decentralized Storage:
• IPFS: Stores encrypted documents securely.
• Piñata for Pinning Services: Ensures data persistence on IPFS.
• XRPL Integration: Utilizes XRPL for document signing, storing IPFS CIDs in transaction memos.

Encryption & Blockchain:
• Web Crypto API: Employs AES-GCM and RSA-OAEP encryption for robust security.
• XRPL Ledger: Stores transaction hashes referencing IPFS CIDs, providing an immutable history of document transactions.


This project is in testing phase

Submitted to the CBRC Register June 2024 – Researched for CBRC by Alexandre July 2024

© Antony Welfare 2024