Crypto Exchange

CaptialEXC

16 weeks
Duration
6 engineers
Team
Web + Multi-chain
Platform
Live
Status
$18M+
Monthly Volume
99.97%
Uptime SLA
38
Trading Pairs
45ms
Order Latency

A Few Words About The Client

CaptialEXC is a full-featured cryptocurrency exchange enabling users to trade multiple digital assets with real-time order books, wallet management, and robust security. Block Intelligence was engaged to design and develop the platform from the ground up, including backend matching engines, custodial and non-custodial options, and a responsive web application that meets regulatory and user-experience expectations.

The client needed to launch a competitive crypto exchange in a short timeframe while ensuring institutional-grade security, clear compliance posture, and a smooth experience for both retail and professional traders.

Industry

Crypto Exchange

Project

CaptialEXC

Duration

16 weeks

Team

6 engineers

Platform

Web + Multi-chain

Status

Live

CaptialEXC

Project Requirements

  • Secure user registration, KYC/AML flows, and role-based access.
  • Real-time order book, limit/market orders, and trade execution with minimal latency.
  • Multi-currency and multi-token support with reliable wallet integration and withdrawal flows.
  • Admin dashboard for operations, monitoring, and compliance reporting.
  • Scalable architecture to handle high concurrency and future token listings.

Our Solution & Results

We delivered a custom exchange stack: a high-performance matching engine, secure wallet services with hot/cold separation, and a modern web front end with real-time updates. We implemented identity verification pipelines, rate limiting, and audit logging to support compliance.

The platform launched on schedule and has supported growing trading volume with high availability. Users benefit from fast execution and a clear, compliant onboarding process. The client has been able to list new assets and expand features without major re-architecture.

Business Impact & Value Delivered

Measurable outcomes Block Intelligence delivered for CaptialEXC - before vs after launch.

Order execution

~800 ms 45 ms

Daily active traders

120 2,400+

KYC onboarding time

3 days 18 min

Value delivered

  • Launched a full CEX stack in 16 weeks with matching engine, wallets, and admin ops.
  • Automated KYC/AML pipelines cut onboarding from days to under 20 minutes.
  • Hot/cold wallet architecture passed third-party security review with zero critical findings.
  • Admin dashboard reduced ops team manual reconciliation from 4 hours to 12 minutes daily.

Performance & Data Analysis

Post-launch exchange telemetry over the first 90 days after go-live, compared to the client's prior manual OTC workflow.

$18.4M
Monthly trading volume
+156% vs month 1
99.97%
Platform uptime (90-day)
0 unplanned outages
38
Live trading pairs
+22 pairs added post-launch
4.2 min
Avg. withdrawal settlement
−71% vs legacy flow
MetricBeforeAfterChange
Trade throughput450 TPS peak3,200 TPS+611%
Support tickets / 1K users286−79%
Compliance report generation6 hrs manual4 min automated−99%
Cost per trade (infra)$0.042$0.009−79%

Delivery Timeline

1
Discovery & Compliance
Wk 1–3
2
Matching Engine
Wk 4–9
3
Wallets & Admin
Wk 10–14
4
Launch & Scale
Wk 15–16

Block Intelligence delivered an exchange we could launch with confidence. Order execution is fast, compliance reporting is automated, and we've scaled pairs without re-architecting the core.

- CaptialEXC - Head of Operations

Technology Stack

Front End

01Web3.js 02React 03Ethers.js 04Ethers.js.

Back End

01Node.js 02Solidity 03PostgreSQL 04Redis 05TypeScript 06matching engine 07Redis.

Infrastructure

01Cloud hosting 02Secure key management 03wallet services.

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