CORVX

Vietnam (Southeast Asia Hub):
Vincom Landmark 81 (72/F), 720A Điện Biên Phủ, Phường 22, Bình Thạnh, Ho Chi Minh City.

United States (North America Hub):
17875 Von Karman Avenue, Suites 150 & 250, Irvine, CA 92614.

Fintech

Secure Blockchain Payment Solutions

Transparency and security at the core of every transaction.

Secure Blockchain Payment Solutions

Corvx engineered a blockchain-backed payment infrastructure for a fintech company processing cross-border transactions. The platform combines distributed ledger technology for immutable audit trails with AI-driven fraud detection that analyzes thousands of transactions per second—delivering the speed of modern payments with the security and transparency that regulators demand.

The client is a Series B fintech startup focused on cross-border B2B payments in Southeast Asia. Their existing payment rails were slow (3-5 day settlement), opaque (limited transaction visibility), and expensive (3-5% fees per transaction). They needed a next-generation platform that could offer near-instant settlement, full transparency, and compliance with regulations across multiple jurisdictions.

What stood in the way

01

Multi-Jurisdiction Compliance

Operating across 5 countries meant navigating different regulatory frameworks, KYC/AML requirements, and data residency laws simultaneously. A single compliance failure could shut down operations in an entire market.

02

Settlement Speed & Cost

Legacy banking rails meant 3-5 day settlement times and fees that made small transactions economically unviable. The client needed sub-minute settlement at a fraction of the cost.

03

Fraud at Scale

As transaction volumes grew, so did fraud attempts. The existing rule-based detection system was generating too many false positives (18%) while missing sophisticated attack patterns.

How we solved it

Blockchain Settlement Layer

We implemented a permissioned blockchain (Hyperledger Fabric) for the settlement layer, providing immutable transaction records, real-time auditability, and multi-party consensus. Settlement times dropped from days to under 30 seconds.

AI Fraud Detection Engine

A real-time ML pipeline that analyzes transaction patterns, device fingerprints, and behavioral signals. False positive rates dropped from 18% to 2.3% while catching 99.4% of fraudulent transactions.

Banking Rail Integration

Custom API integrations with 12 banking partners across 5 countries, supporting real-time balance checks, instant disbursement, and automated reconciliation.

The platform processed over $120M in cross-border payments within its first year. Average settlement time dropped from 3-5 days to under 30 seconds, transaction fees decreased by 70%, and the fraud detection system saved an estimated $4.2M in prevented losses.

<30s
Settlement Time (from 3-5 days)
99.4%
Fraud Detection Accuracy
70%
Reduction in Transaction Fees
$4.2M
Fraud Losses Prevented (Year 1)

Built with

Blockchain

  • Hyperledger Fabric
  • Smart Contracts (Chaincode)
  • CouchDB

AI & ML

  • Python
  • TensorFlow
  • Apache Flink
  • Feature Store

Backend

  • Go-Lang
  • gRPC
  • PostgreSQL
  • Redis

Infrastructure

  • AWS (EKS, MSK, SageMaker)
  • Terraform
  • Vault (HashiCorp)

Security-First, Compliance-Always

Phase 1: Regulatory Mapping

4 weeks

Mapped compliance requirements across all 5 target jurisdictions. Defined the KYC/AML, data residency, and reporting rules that would inform every architectural decision.

Phase 2: Blockchain Core

3 months

Built the permissioned blockchain network, consensus mechanisms, and smart contracts for multi-party settlement.

Phase 3: Fraud & Banking

2 months

Developed the AI fraud detection pipeline and integrated with 12 banking partners. Ran shadow-mode testing against live transaction data.

Phase 4: Production & Scale

3 months

Phased production rollout market-by-market with real-time monitoring, incident response procedures, and regulatory reporting dashboards.

What we brought to the table

Blockchain Infrastructure

Permissioned distributed ledger for immutable, auditable transaction records.

Fraud Detection

AI-driven anomaly detection with 99.4% accuracy and 2.3% false positive rate.

Banking Integration

Real-time connectivity with 12 banking partners across 5 countries.

Security-First Development

Every line of code was written with compliance and audit requirements baked in from day one. We didn't bolt on security—we architected for it. Threat modeling, penetration testing, and compliance reviews were part of every sprint.

They built us a payment platform that regulators actually compliment. That has never happened before in this industry. The combination of blockchain transparency and AI fraud detection is a genuine competitive moat.
CEO, Cross-Border Payments

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