We architect and deploy custom smart contracts that form the backbone of your protocol. Our development process is built for security and speed, delivering audit-ready code in 2-4 weeks for most MVPs.
LABS
Services
Legacy System Blockchain Integration
Securely connect your existing enterprise databases, messaging queues, and software to blockchain networks. We build custom APIs to automate on-chain triggers and create verifiable, tamper-proof data anchors.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We don't just write code; we engineer the financial logic and security guarantees your product depends on.
- Security-First Development: Built with
Solidity 0.8+andOpenZeppelinlibraries, following established patterns to mitigate reentrancy and overflow risks. - Protocol Specialization: Custom logic for
ERC-20,ERC-721, staking pools, vesting schedules, multi-signature wallets, and automated market makers (AMMs). - Full Lifecycle Support: From initial architecture and development through to testing, deployment on
EVMchains, and post-launch maintenance.
key-features-cards
ENTERPRISE-GRADE
Core Integration Capabilities
We deliver production-ready blockchain integrations that connect your legacy ERP, CRM, and financial systems to secure, scalable on-chain networks. Focus on your business logic while we handle the complex infrastructure.
01
Secure API Gateway & Middleware
Deploy a dedicated, firewalled API layer that translates legacy system data (SAP, Oracle, Salesforce) into blockchain transactions. Features role-based access control, automatic nonce management, and real-time health monitoring.
SOC 2 Type II
Compliance
Zero
Security Incidents
02
Event-Driven Smart Contract Orchestration
Automate business processes with smart contracts triggered by legacy system events. We build reliable off-chain listeners and relayers for payment settlement, supply chain tracking, and compliance logging.
< 2 sec
Event Processing
99.95%
Reliability
03
Custom Blockchain Adapters
Tailored connectors for enterprise chains (Hyperledger Fabric, Corda) and public L1/L2 networks (Ethereum, Polygon, Arbitrum). We handle protocol-specific quirks, gas optimization, and multi-signature setups.
15+
Protocols Supported
4 weeks
Avg. Build Time
04
Data Consistency & Reconciliation Engine
Maintain a single source of truth with our bi-directional sync engine. It ensures immutable on-chain records match your off-chain databases, with automated dispute resolution and audit trails.
100%
Audit Accuracy
Real-time
Reconciliation
benefits
TANGIBLE RESULTS
Business Outcomes You Can Measure
Our legacy system blockchain integration delivers quantifiable improvements to your core business operations, from cost reduction to new revenue streams.
01
Automated Settlement & Reconciliation
Replace manual, error-prone processes with smart contract automation. Achieve real-time settlement and eliminate reconciliation delays, freeing up your finance team for strategic work.
90%
Reduction in manual effort
24/7
Automated operation
02
Immutable Audit Trail
Every transaction from your legacy system is immutably recorded on-chain. Simplify compliance, streamline internal audits, and provide irrefutable proof of data integrity to regulators and partners.
100%
Tamper-proof records
SEC/GDPR
Compliance ready
03
Reduced Transaction Costs
Leverage blockchain's efficiency to bypass traditional intermediaries for specific processes like cross-border payments or asset transfers, directly cutting per-transaction fees and overhead.
40-70%
Lower processing fees
< 60 sec
Settlement time
04
New Revenue Streams
Unlock asset tokenization and programmable finance. Securitize illiquid assets from your legacy books or create new loyalty/financial products for your customer base.
2-4 weeks
MVP launch time
ERC-3643/1400
Security token standards
05
Enhanced Data Security
Our integration architecture uses zero-knowledge proofs and enterprise-grade key management. Your sensitive legacy data remains private while still enabling verifiable on-chain proofs.
SOC 2 Type II
Compliant
HSM & MPC
Key management
06
Future-Proof Architecture
We build with modular, API-first connectors that abstract blockchain complexity. Easily upgrade protocols or add new chains (Ethereum, Polygon, Base) without rebuilding core integrations.
99.9%
Uptime SLA
< 1 day
Chain migration
Quantifying the ROI of a managed integration
Build vs. Buy: Integration Path Analysis
A data-driven comparison of the time, cost, and risk involved in developing a custom blockchain bridge for your legacy system versus using Chainscore's proven integration platform.
| Integration Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Development Timeline | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $75K - $200K |
Annual Maintenance & DevOps | $120K - $300K | Included in SLA |
Security Posture | High Risk (custom, unaudited code) | Enterprise-Grade (pre-audited, battle-tested) |
Time to First Transaction | Post-development (6+ months) | Week 1 (proof-of-concept) |
Supported Protocols | Custom implementation only | Ethereum, Polygon, Arbitrum, Base, Solana |
Uptime & Reliability SLA | Your team's responsibility | 99.95% Guaranteed |
Team Expertise Required | Senior Solidity Devs, DevOps, Security Auditors | Your product team + our specialists |
Scalability & Upgrades | Manual, costly refactoring | Handled by Chainscore, future-proof |
Total 3-Year Cost (Est.) | $610K - $1.5M+ | $225K - $600K |
how-we-deliver
A STRUCTURED APPROACH
Our Proven Integration Methodology
We follow a systematic, four-phase process designed to de-risk your legacy system modernization, ensure regulatory compliance, and deliver a production-ready blockchain integration on time and on budget.
01
Discovery & Architecture Design
We conduct a comprehensive audit of your existing systems (APIs, databases, security protocols) to design a secure, scalable integration blueprint. This phase defines the data flow, smart contract architecture, and governance model, ensuring alignment with your business logic.
2-3 weeks
Typical Duration
100%
Requirement Mapping
02
Secure Smart Contract Development
Our team builds and rigorously tests the core integration logic using Solidity/Rust with OpenZeppelin standards. Every contract undergoes static analysis, unit testing, and a formal security review to protect your assets and data.
OpenZeppelin
Security Standard
100%
Test Coverage
03
Orchestration Layer Implementation
We develop the critical middleware—secure APIs, event listeners, and transaction relays—that enables seamless, real-time communication between your legacy backend and the blockchain network, abstracting complexity from your core application.
< 100ms
Event Latency
99.9%
Reliability SLA
04
Deployment & Ongoing Support
We manage the phased deployment to testnet and mainnet, including comprehensive monitoring, alerting, and documentation handoff. Our team provides ongoing support and maintenance to ensure long-term system health and performance.
24/7
Monitoring
1 hr
Critical Response SLA
Technical Integration
Legacy System Integration FAQs
Answers to common questions from CTOs and technical leads about connecting legacy enterprise systems to blockchain infrastructure.
Our standard engagement follows a 4-phase process: Discovery & Architecture (1-2 weeks), API Bridge Development (2-3 weeks), Staging & Security Audit (1-2 weeks), and Production Deployment (1 week). For a typical ERP or CRM integration, the total timeline is 6-8 weeks. We provide a detailed project plan with weekly milestones after the initial scoping call.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall