Industries / Crypto and exchanges
Crypto exchanges, built to stay up.
Crypto exchange software with the matching engine, custody and KYC/AML shipped together in a 20-week build, and 99.9% uptime since trading opened.
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What we built for crypto. A compliant centralized exchange, built from scratch.
Matching engine
Order matching built for an exchange that cannot go down once trading opens.
Custody
Custody infrastructure shipped alongside trading.
KYC/AML at onboarding
Compliance checks built into onboarding, ready at launch.
Global liquidity
Liquidity from leading providers.
20-week build
Delivered from scratch on a 20-week timeline.
99.9% uptime
Uptime since launch.
What else we can build for crypto. Capabilities we offer. We have not delivered these in this industry yet.
Crypto wallets
Custodial and non-custodial wallets for your users.
Decentralized exchange features
On-chain trading alongside a centralized platform.
Token listings
Listing technology and processes for new assets.
Market surveillance
Monitoring for unusual trading activity, flagged for review.
Our crypto work, and related systems. Each result comes from a delivered engagement.
Centralized crypto exchange
Matching engine, custody and KYC/AML built from scratch in a 20-week build.
99.9% uptime since launch Web3 · SecuritySmart contract audit & deployment
A full audit and multi-chain deployment, closing every finding before launch.
0 critical findings Web3 · PaymentsStablecoin payment rails
Multi-currency stablecoin settlement, built and shipped in five weeks.
<1 sec settlementPlanning an exchange launch?
The technology behind our Web3 platforms. Chosen per chain, asset and custody model.
01 / 06
Blockchains
The chains we deploy on, chosen for fees, speed and where your users are.
- Ethereum
- Solana
Aptos- BNB Chain
- Polygon
02 / 06
Smart contract languages
What the on-chain logic is written in.
- Solidity
- Rust
03 / 06
Development frameworks
Building, testing and auditing contracts before they hold value.
- Hardhat
- OpenZeppelin
04 / 06
Custody and wallets
How assets and keys are held, by you or your users.
Fireblocks- MetaMask
- WalletConnect
05 / 06
Oracles and on-chain data
Getting real-world prices and indexed data on-chain.
- Chainlink
- The Graph
06 / 06
Frontend integration
Connecting the app your users see to the chain.
- ethers.js
- wagmi
From first use case to production. Four stages, with a working version reviewed at each one.
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Discovery
Map the exchange, the systems and data involved, and what good looks like.
Discovery notes
- Markets, assets and users
- Compliance requirements
- Launch date
-
Scope & architecture
Agree the architecture, success measures and delivery milestones.
Solution design
- Exchange architecture
- Custody and compliance design
- Milestones
-
Build
Build against real data, with a working version reviewed at each milestone.
Working build
- Working exchange in staging
- Security testing
- Load tests
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Ship & support
Roll out to production with monitoring and a defined support window.
Production rollout
- Launch
- Uptime monitoring
- Support window
Why Avinya for crypto. We have built and launched an exchange.
Delivered, not theoretical
The work on this page is live, with results from the engagement.
Security first
Contracts are audited before launch. Our most recent audit launched with zero critical findings.
Compliance designed in
KYC/AML and audit trails built into the platform. We work alongside your legal counsel. We do not give legal advice.
We stay after launch
Monitoring and a defined support window after go-live.
Engagement models. Pick the shape that fits where you are.
Dedicated team
A dedicated team that works as an extension of yours, from first release to scale.
Project-based
A defined scope, milestones and delivery date for a specific product or workflow.
Consulting & advisory
Architecture and readiness advice before you commit to a build.
Guides on this topic. Plain answers to the questions buyers ask first.
How to Launch a Crypto Exchange: Centralized Guide (2026)
Architecture, core features, white label vs custom, licensing and timelines.
Read the guide → GuideSmart Contract Audit Cost: What Drives the Price (2026)
What drives the price of an audit, and how to prepare for one.
Read the guide → GuideHow to Choose a Web3 Development Partner: A Checklist
What to check before hiring a blockchain development company.
Read the guide →Crypto exchange FAQs.
How long does an exchange build take?
Ours took 20 weeks from scratch, covering matching engine, custody and KYC/AML. Your timeline depends on scope.
How reliable is it?
The exchange we built has had 99.9% uptime since launch.
Is it compliant?
KYC/AML checks were built in at onboarding and ready at launch. We work alongside your legal counsel. We do not give legal advice.
How do you handle security?
Contracts go through a full audit before launch and every finding is worked through before deployment. Our most recent audit launched with zero critical findings.
What should crypto exchange software include from day one?
A matching engine, custody, KYC and AML, and monitoring. Crypto exchange software has to be designed around compliance, so we plan against the FATF guidance on virtual assets.
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