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Full-Stack Web3 dApp Development
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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

Blockchain Payment Migration for Merchants

A full-service migration of your existing card or bank payment infrastructure to a secure, programmable blockchain layer. We handle analysis, design, and deployment.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built for scale and compliance.

We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive audit cycles to mitigate risk.

Deliver a secure, audited, and gas-optimized contract suite in 4-6 weeks, accelerating your time-to-market.

  • Token Standards: ERC-20, ERC-721, ERC-1155, and custom implementations.
  • Protocol Logic: DEX AMMs, staking pools, vesting schedules, and governance modules.
  • Security Guarantee: All contracts undergo internal review and are prepared for third-party audits from firms like CertiK or Quantstamp.
key-features-cards
STRUCTURED APPROACH

Our End-to-End Migration Process

A proven, phased methodology designed to migrate your payment infrastructure to blockchain with zero downtime and full compliance. We manage every technical detail, from initial audit to post-launch monitoring.

01

Discovery & Architecture Audit

We conduct a comprehensive analysis of your existing payment stack to map dependencies, identify risks, and design a bespoke blockchain architecture. This includes selecting optimal L1/L2 networks and token standards (ERC-20, ERC-777).

48-72 hrs
Initial Assessment
100%
Dependency Map
02

Smart Contract Development & Audit

Our team builds your core payment logic—including escrow, multi-sig wallets, and compliance modules—using audited OpenZeppelin patterns. Every contract undergoes rigorous internal and third-party security review before deployment.

2-4 weeks
Avg. Dev Time
Certik
Audit Partner
03

Gateway Integration & Testing

We seamlessly integrate your new blockchain layer with existing payment gateways (Stripe, Adyen), banking APIs, and internal systems. Full-stack testing is performed in a sandbox environment simulating real transaction volumes.

> 10k TPS
Load Tested
0
Integration Downtime
04

Staged Deployment & Go-Live

We execute a phased rollout, starting with a pilot user group, to ensure stability and gather feedback. Full production cutover is managed by our DevOps team with comprehensive rollback procedures in place.

< 2 hrs
Cutover Window
24/7
Launch Support
05

Compliance & Regulatory Setup

We configure on-chain compliance tools for AML/KYC screening, transaction monitoring, and reporting. Our setup ensures adherence to frameworks like Travel Rule and supports jurisdictional requirements.

50+
Jurisdictions Mapped
Real-time
Sanctions Screening
06

Monitoring, Analytics & Support

Post-launch, we provide a dedicated dashboard for real-time monitoring of settlement times, gas fees, and system health. Includes SLA-backed support and quarterly performance reviews.

99.95%
Uptime SLA
< 15 min
Avg. Response Time
benefits
STRATEGIC ADVANTAGES

Business Outcomes: Beyond Cost Savings

Migrating payments to blockchain delivers more than just operational efficiency. It unlocks new revenue streams, enhances security, and creates defensible market positions for your business.

01

New Revenue Streams

Enable programmable payments, microtransactions, and subscription models that were previously impossible or cost-prohibitive with traditional rails. Monetize new user behaviors and capture value from emerging Web3 economies.

24/7
Settlement
< $0.01
Micro-tx Cost
02

Enhanced Security & Transparency

Immutable transaction logs and cryptographic verification eliminate chargeback fraud and provide an irrefutable audit trail. Smart contracts enforce business logic automatically, reducing manual reconciliation errors.

0%
Chargeback Fraud
Real-time
Audit Trail
03

Global Market Access

Instantly settle cross-border payments without correspondent banking delays or excessive FX fees. Serve unbanked and underbanked populations by accepting stablecoins and digital assets directly.

< 5 min
Cross-border
100+
Countries
04

Superior User Experience

Offer one-click payments, automated refunds, and seamless subscription management. Users control their funds without sharing sensitive banking details, building greater trust and reducing drop-off.

1-Click
Checkout
Auto
Compliance
05

Future-Proof Architecture

Build on interoperable standards (ERC-20, ERC-4337) that integrate with the broader DeFi and Web3 ecosystem. Your payment infrastructure becomes a platform for loyalty programs, token-gated commerce, and more.

ERC-20/4337
Standards
Modular
Design
06

Regulatory Compliance by Design

Our architecture embeds Travel Rule (FATF) compliance, KYC/AML checks, and transaction monitoring from day one. We ensure your migration meets global regulatory standards without sacrificing performance.

FATF
Travel Rule
On-chain
KYT
The Infrastructure Upgrade

Legacy vs. Blockchain-Powered Payments

A direct comparison of operational and financial outcomes between traditional payment rails and a modern blockchain-powered system.

Key FactorLegacy Payment RailsBlockchain-Powered System

Settlement Time

2-5 business days

2-60 seconds

Cross-Border Fees

3-5% + FX spread

< 1% (on-chain gas only)

Operational Overhead

High (banks, processors, compliance)

Low (programmable smart contracts)

Fraud & Chargeback Risk

High

Near-zero (irreversible settlements)

Developer Integration

Months (complex APIs, legacy systems)

Weeks (standardized Web3 SDKs)

24/7 Availability

Limited by banking hours

Global, 24/7/365

Transparency & Audit Trail

Opaque, siloed ledgers

Immutable, public ledger

Programmability

Limited, rule-based

Full (conditional logic, automations)

Typical Implementation Cost

$200K+ & 6-12 months

$50K-$150K & 4-8 weeks

tech-stack
ENTERPRISE-GRADE INFRASTRUCTURE

Engineered for Enterprise Scale and Compliance

Our payment migration service is built on battle-tested infrastructure designed to meet the stringent demands of regulated financial institutions and high-volume applications.

01

Regulatory-Compliant Architecture

Design and deploy payment systems that adhere to global AML, KYC, and data privacy regulations (GDPR, CCPA). We implement on-chain compliance modules and secure off-chain verification workflows.

GDPR/CCPA
Compliant
ISO 27001
Frameworks
02

High-Throughput Settlement Layer

Leverage optimized Layer 2 solutions (Polygon, Arbitrum) or custom sidechains to achieve sub-second finality and process thousands of transactions per second (TPS), eliminating network congestion.

10,000+
Peak TPS
< 1 sec
Finality
03

Institutional-Grade Security

Smart contracts undergo formal verification and audits by leading firms like CertiK. Multi-signature wallets, hardware security modules (HSM), and comprehensive key management protocols are standard.

CertiK
Audited
99.9% SLA
Uptime
04

Real-Time Payment Analytics

Gain full visibility into payment flows, settlement status, and network fees with our integrated dashboard. Monitor for anomalies and generate compliance reports automatically.

Real-Time
Monitoring
Automated
Reporting
05

Seamless Fiat On/Off Ramps

Integrate with licensed payment processors and banking partners for smooth conversion between traditional currency and digital assets. Supports ACH, SEPA, and wire transfers.

24/7
Settlement
< 1%
Avg. Fee
06

Disaster Recovery & SLAs

Guaranteed service availability with geographically distributed node infrastructure and automated failover. We provide contractual SLAs for uptime, response time, and incident resolution.

99.95%
Uptime SLA
< 15 min
RTO
process-walkthrough
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built by Web3 experts for your protocol or dApp.

We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on audited patterns and gas-optimized code to ensure reliability and cost-efficiency from day one.

We deliver contracts you can trust, with security and performance engineered in.

  • End-to-End Development: From initial architecture and Solidity/Rust coding to deployment on EVM/Solana/Starknet.
  • Security-First: Rigorous internal audits, adherence to OpenZeppelin standards, and preparation for third-party audits.
  • Real-World Ready: Contracts built for mainnet deployment with features for upgradeability, pausing, and role-based access control.
Technical & Commercial Considerations

Payment Migration FAQs

Answers to the most common questions from CTOs and product leads about migrating payment systems to blockchain.

A standard migration for a single payment flow (e.g., cross-border remittance, subscription billing) takes 2-4 weeks from kickoff to mainnet deployment. Complex, multi-currency systems with custom smart contract logic can take 6-8 weeks. We provide a detailed project plan with weekly milestones after the initial technical discovery.

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
Blockchain Payment Migration | Chainscore Labs | ChainScore Guides