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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

Immutable Document Timestamping and Notarization

Implement cryptographic timestamping services (RFC 3161) on-chain to provide legally-recognized, tamper-proof proof of existence and integrity for documents, files, and data.
Chainscore © 2026
overview
FULL-STACK ENGINEERING

Custom Blockchain Development

End-to-end blockchain application development from smart contracts to user interfaces.

We build production-grade blockchain applications with full-stack expertise. Our team handles everything from secure smart contract architecture to responsive frontends, delivering a complete, integrated product.

  • Smart Contracts: Custom Solidity/Rust development with OpenZeppelin standards and comprehensive audit trails.
  • Backend & APIs: Scalable indexers, event listeners, and secure API gateways for seamless on/off-chain integration.
  • Frontend: Modern, intuitive dApp interfaces built with React/Next.js and libraries like ethers.js/wagmi.
  • DevOps & Deployment: Automated CI/CD, multi-chain deployment strategies, and infrastructure monitoring for 99.9% uptime.

We deliver a fully functional MVP in 4-6 weeks, providing a clear roadmap from prototype to mainnet launch with enterprise-grade security and scalability.

key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE

Core Technical Capabilities We Deliver

Our immutable timestamping service is built on a foundation of security, scalability, and developer-centric tooling. We deliver the technical guarantees your legal, financial, and compliance teams require.

benefits
TANGIBLE ROI

Business Outcomes for Your Organization

Our immutable timestamping service delivers concrete, measurable value by transforming document integrity from a cost center into a strategic asset.

01

Eliminate Legal Disputes & Fraud

Prove document existence and integrity with cryptographic certainty. Our blockchain-anchored timestamps provide court-admissible evidence, reducing litigation costs and accelerating dispute resolution.

100%
Tamper-Proof
Court-Admissible
Legal Validity
02

Automate Compliance & Audit Trails

Replace manual logbooks with an immutable, automated audit trail. Achieve compliance with GDPR, SOX, and FINRA by providing a verifiable, chronological record of all document states.

24/7
Audit Readiness
Zero-Touch
Automation
03

Accelerate Business Processes

Reduce document verification time from days to seconds. Enable instant proof-of-existence for contracts, IP, and regulatory filings, accelerating deal cycles and product launches.

< 2 sec
Verification Time
90% Faster
Process Speed
04

Future-Proof Intellectual Property

Establish irrefutable, time-stamped proof of creation for patents, source code, and creative works. Protect your IP portfolio with a decentralized, permanent record.

Permanent
Record Lifespan
Global Proof
Jurisdiction
05

Reduce Operational Costs

Cut costs associated with manual notarization, physical storage, and third-party verification services. Our API-driven service scales with zero marginal cost per document.

80% Reduction
in Notary Fees
API-First
Integration
06

Build Unbreakable Trust

Enhance brand reputation and stakeholder confidence by demonstrating a commitment to transparency and security. Provide customers and partners with verifiable proof of your integrity.

Enterprise-Grade
Security
SOC 2 Type II
Compliance
use-cases
ENTERPRISE-GRADE USE CASES

Proven Applications Across Industries

Our immutable document timestamping and notarization service delivers verifiable, tamper-proof records for critical business processes. See how industry leaders leverage blockchain to eliminate disputes and automate compliance.

Make an informed infrastructure decision

Build vs. Buy: Chainscore vs. In-House Development

A detailed comparison of the costs, risks, and time required to build a production-grade immutable document timestamping system in-house versus using Chainscore's managed service.

FactorBuild In-HouseChainscore Managed Service

Time to Production

6-12 months

2-4 weeks

Initial Development Cost

$150K - $300K+

$25K - $75K

Annual Maintenance Cost

$80K - $150K (2 FTE)

$15K - $50K (SLA)

Security & Audit Burden

High (Your responsibility)

Low (Pre-audited, managed)

Uptime & Reliability SLA

You build it (0% SLA initially)

99.9% Guaranteed SLA

Multi-Chain Support

Custom integration per chain

Pre-built for Ethereum, Polygon, Base, Arbitrum

Legal Evidence Standards

You must design & validate

Pre-configured for GDPR, eIDAS, CFR 21 Part 11

Team Requirements

2-3 Senior Blockchain Devs + DevOps

Your existing backend team + our API

Scalability & Upgrades

Your team manages forks & upgrades

Handled automatically by Chainscore

Total Cost of Ownership (3 Years)

$390K - $750K+

$70K - $175K

how-we-deliver
A PROVEN FRAMEWORK

Our Development and Integration Process

We deliver production-ready, legally defensible timestamping systems. Our process is designed for technical teams, ensuring seamless integration, enterprise-grade security, and rapid deployment.

01

1. Architecture & Protocol Design

We architect your immutable ledger solution, selecting the optimal protocol (e.g., Ethereum, Solana, Polygon) and designing the data anchoring model for cost-efficiency and legal compliance.

3-5 days
Design Sprint
5+
Protocol Options
02

2. Smart Contract Development

Our engineers develop and audit custom smart contracts for document hashing, batch anchoring, and proof generation using OpenZeppelin standards and formal verification tools.

100%
OpenZeppelin Base
2+ Audits
Security Layers
03

3. API & SDK Integration

We provide a fully documented REST API and client SDKs (Node.js, Python, Go) for easy integration into your existing document management or legal workflow systems.

< 100ms
API Latency
3 SDKs
Language Support
04

4. Security Audit & Compliance

Every system undergoes rigorous internal review and optional third-party audit (e.g., CertiK, Halborn). We ensure compliance with data sovereignty and eIDAS standards.

SOC 2
Framework
GDPR-ready
Data Compliance
05

5. Staging Deployment & Testing

We deploy to a staging environment matching production specs. This phase includes load testing (>10K TPS), proof verification drills, and failover scenario validation.

99.95%
Staging Uptime SLA
10K+ TPS
Load Tested
06

6. Production Launch & Monitoring

We manage the mainnet deployment and provide 24/7 monitoring dashboards for transaction success rates, gas costs, and proof integrity alerts.

< 2 weeks
Avg. Go-Live
24/7
Health Monitoring
Immutable Document Timestamping

Frequently Asked Questions

Get clear answers on how blockchain notarization works, its security, and our delivery process.

We generate a cryptographic hash (SHA-256) of your document, which is a unique digital fingerprint. This hash is permanently recorded on a public blockchain like Ethereum or Solana. The blockchain's immutable ledger provides an independently verifiable, tamper-proof timestamp proving the document's existence at the moment of transaction confirmation. You can verify proof anytime without relying on our platform.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team