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Crypto Marketplace Delivers Regulatory-Grade, High-Throughput Payment Infrastructure

About the Client

The client was a fast-growing, fully regulated global crypto marketplace operating across North America, Europe, and parts of Asia. Their platform enabled retail and institutional customers to buy, sell, and convert digital assets using both fiat and cryptocurrency payment options. As compliance scrutiny increased and user volumes surged, the company needed a next-generation payment gateway capable of handling high-speed settlements, cross-border regulatory checks, and real-time fraud monitoring at scale.

Their existing architecture relied on fragmented third-party processors and manual KYC/AML validation steps that slowed onboarding and limited conversion rates. Additionally, the company’s payment infrastructure lacked resilience under heavy demand, making peak-day trading highly unpredictable. With customer acquisition rapidly accelerating and regulators tightening oversight, the marketplace partnered with Zymr to engineer a regulatory-grade, high-performance payment gateway that could satisfy audit demands, meet global compliance standards, and support massive transactional throughput.

Key Outcomes

400% Surge in Trading Volume on Launch Day
80,000+ Concurrent Payments with Zero Downtime

Business Challenges

The engagement revealed significant operational, security, and compliance bottlenecks that directly impacted user trust and trading reliability.

No Unified Global Payment Framework

The marketplace operated in 100+ countries, but lacked a centralized gateway for:

  • Country-specific onboarding
  • Local payment method support
  • Regional compliance rules
  • Geo-specific risk scoring

This created inconsistencies in user experience and regulatory enforcement.

Fragmented Compliance Controls (KYC/AML)

Critical compliance functions—identity verification, sanctions checks, risk scoring—were split across multiple vendors.
Key issues included:

  • Manual verification paths
  • Slow escalation queues
  • No automated re-verification logic
  • Inconsistent regional compliance mapping

This threatened both user trust and regulatory audit success.

High Latency During High-Volume Trading Windows

Trading peaks—especially during crypto market volatility—caused:

  • API response delays
  • Payment queue backlogs
  • Throttling by third-party processors
  • Failed fiat/crypto conversion attempts

The system needed to support tens of thousands of concurrent payment flows with zero downtime.

Security Exposures Across Cloud Infrastructure

Zymr found:

  • Misconfigured IAM roles
  • Publicly exposed APIs
  • Weak encryption operational policies
  • Excessively permissive database access patterns

These gaps increased risk of data leakage and unauthorized transactions.

Difficulty Passing Regulatory Audits

Regulators required:

  • Traceable audit logs
  • Granular reporting APIs
  • Correctly classified payment flows
  • Automated KYC/AML checkpoints
  • Proof of secure cryptographic operations

The client lacked the necessary structure and documentation for a clean audit outcome.

Business Impacts / Key Results Achieved

Zymr’s engineered payment gateway gave the crypto marketplace the foundation it needed to compete globally while meeting regulatory obligations without compromise. The result was a modern, high-performance gateway capable of supporting rapid growth, maintaining auditor confidence, and delivering flawless trading experiences even under extreme demand.

  • 400% Surge in Trading Volume on Launch Day

The system processed high-velocity payments without performance drops—giving the company its strongest trading day ever.

  • 80,000+ Concurrent Payments with Zero Downtime

The infrastructure proved resilient under extreme load, outperforming industry benchmarks.

  • Regulator Praise for Transparency & Controls

Auditors highlighted:

  • Clear transaction visibility
  • Consistent AML rules
  • Complete audit trail integrity
  • High-quality reporting APIs

The company passed its regulatory assessment with strong marks.

  • Dramatic Drop in Fraud Attempts

KYC/AML automation + geo-fencing reduced fraudulent signups and unauthorized transactions.

  • Global Expansion Across 100+ Countries

The system’s multi-currency and multi-method capabilities unlocked new revenue streams and supported rapid international onboarding.

  • Improved Customer Trust

A secure, transparent payment experience increased user retention and trading frequency.

  • Massive Operational Efficiency Wins

Manual compliance processes dropped significantly due to automated AML checks and reporting workflows.

  • Lower Infrastructure Costs

Cloud-native optimization reduced compute overhead and scaled efficiently across regions.

  • Cleaner Internal Controls

IAM restructuring, encrypted tokenization, and audit-ready documentation strengthened security posture across the entire platform.

Strategy and Solutions

Zymr delivered a regulatory-grade, high-throughput payment gateway, engineered for global scalability, audit readiness, and secure crypto-fiat transaction management.

1. Unified Global Payment Gateway Architecture

We designed a cloud-native gateway built on:

  • AWS EKS microservices
  • Kafka event streaming
  • Aurora Global Database
  • CloudHSM for crypto key management
  • Zero-trust networking principles

The system supported:

  • Fiat + crypto payment flows
  • Region-aware payment routing
  • Local payment method support (ACH, SEPA, UPI, PIX, etc.)
  • Cross-border transaction classification

This provided a single, consolidated foundation for all global transactions.

2. Embedded KYC/AML with Automated Risk Engines

Zymr integrated:

  • Global identity verification networks
  • Sanction-screening APIs
  • Politically exposed person (PEP) databases
  • AML rule engines
  • Device fingerprinting
  • Behavior analytics for fraud scoring

The system automated:

  • First-time verification
  • Recurring validity checks
  • Transaction-level AML scoring
  • Country-specific rulesets

This allowed compliance to function in real time, not after the fact.

3. Real-Time Crypto-Fiat Conversion

We engineered an instant asset conversion pipeline integrating:

  • Liquidity provider APIs
  • Price-feed oracles
  • FX rate normalization
  • Fast settlement under volatile conditions

The result enabled:

  • Instant buy/sell transactions
  • Dynamic slippage control
  • Guaranteed execution for high-value traders

This dramatically improved both conversion speed and pricing transparency.

4. High-Performance, High-Concurrency Transaction Processing

To meet launch-day demand and long-term scaling, we implemented:

  • In-memory caching
  • Horizontally scalable API layers
  • Multi-region failover
  • Load-balanced routing
  • Dynamic throughput optimization

During stress tests, the new gateway successfully handled 80,000+ concurrent payment flows without latency degradation.

5. Geo-Fencing, IP Intelligence & Regional Access Controls

Zymr embedded advanced geo-security logic:

  • Country-level access restrictions
  • IP-based anomaly detection
  • Device reputation scoring
  • VPN/proxy detection

This ensured clean compliance alignment for restricted jurisdictions.

6. Audit-Ready Reporting & Regulatory Documentation

To support ongoing audits, Zymr created:

  • Fully traceable transaction logs
  • Tamper-proof audit trails
  • Regulator-facing reporting APIs
  • Detailed compliance control documentation

Auditors gained complete visibility into every payment, compliance check, and fraud decision.

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