How do you secure custody funds?

Multi-layer hot/warm/cold wallet architecture, multi-sig approvals, HSM-backed key management, and automated anomaly detection on withdrawal patterns.

Can you integrate liquidity providers and market makers?

Yes, we integrate FIX and REST/WebSocket liquidity feeds from external providers to tighten spreads from launch.

Do you support derivatives and margin trading?

Yes, our matching engine supports spot, margin, and perpetual/futures order types with configurable risk engines.

What throughput can your matching engine handle?

Our core engines are designed for sustained high-frequency throughput and load-tested against your specific projected volume rather than a generic benchmark — actual figures depend on order complexity and infrastructure sizing.

Can you migrate us off our current matching engine without downtime?

Yes, we've run live migrations using a staged cutover approach that keeps the legacy engine as a fallback until the new one is proven under real production load.

Do you build the compliance and KYC/AML workflow, or only the trading engine?

Both — identity verification, sanctions screening, transaction monitoring, and Travel Rule messaging are built as part of the same platform, not a separate bolt-on system.

How do you prevent account-takeover and withdrawal fraud?

Address whitelisting, configurable withdrawal delays above risk thresholds, and anomaly detection tuned to account-takeover patterns specifically, layered on top of standard authentication controls.

Cryptocurrency hardware wallet and Ethereum exchange interface for secure crypto custody and exchange development

Blockchain & Crypto

Crypto Exchange & Wallet Development Company

Launching or scaling an exchange means solving matching engine performance, liquidity aggregation, custody security, and compliance simultaneously. Hurain Technologies builds centralized, hybrid, and P2P exchange platforms plus multi-currency wallet and custody infrastructure engineered for institutional-grade uptime and security.

Get a Technical Estimate

Overview

What crypto exchange & wallet development actually involves

An exchange is one of the least forgiving pieces of software to build well, because it sits at the intersection of three demanding disciplines at once: it's a real-time trading system where microseconds of latency affect fairness and user trust, it's a custody system where a single architectural mistake can mean total, irreversible fund loss, and it's a regulated financial business where KYC/AML and reporting failures can end the company regardless of how good the engineering is. Most exchange failures we've seen didn't come from an exotic hack — they came from ordinary operational gaps: a hot wallet holding too much value, a matching engine that silently dropped orders under load, or a compliance program bolted on after launch instead of designed in from day one.

We build exchanges the way we'd want one built if our own funds were on it: custody segmented across tiers so no single compromised credential can drain the platform, a matching engine load-tested against your actual projected volume rather than a clean demo, and compliance workflows integrated into the transaction flow rather than a separate system reconciled after the fact.

The Challenge

Problems we see teams struggling with

Matching engine performance ceilings

Off-the-shelf or poorly engineered matching engines choke under real order-book volume and volatility spikes.

Custody and hot wallet security risk

Manual or under-engineered custody processes are the leading cause of exchange fund losses.

Thin liquidity at launch

New exchanges struggle to offer tight spreads without liquidity provider and market-maker integration.

Regulatory onboarding friction

KYC/AML, travel rule, and jurisdiction-specific licensing requirements slow launch timelines.

Scaling past a single-region deployment

Exchanges that grow internationally often discover their architecture was never designed for multi-region failover or latency-sensitive order routing.

Withdrawal fraud and account takeover

Weak session management and withdrawal controls make exchanges a high-value target for account takeover attacks that bypass the platform's own security entirely.

Our Approach

How Hurain Technologies solves it

High-performance matching engine

Low-latency order matching supporting spot, margin, and derivatives order types, built for sustained high-frequency throughput.

Multi-currency custody & wallet infrastructure

Hot/warm/cold wallet architecture with automated rebalancing, multi-sig, and HSM-backed key management.

Liquidity aggregation

Integration with external liquidity providers and market makers to reduce spread and slippage from day one.

KYC/AML & compliance workflows

Identity verification, sanctions screening, transaction monitoring, and travel-rule-ready data exchange.

White-label & P2P exchange builds

Rapid-deploy exchange platforms for operators who need to launch in weeks, plus P2P marketplaces with escrow.

Withdrawal fraud controls

Address whitelisting, withdrawal delays above configurable thresholds, and anomaly detection tuned specifically to account-takeover patterns rather than generic fraud rules.

Multi-region deployment architecture

Infrastructure designed for regional failover and latency-aware order routing from the start, rather than retrofitted once single-region limits are hit.

Technology

Tech stack we work with

Core Engine

GoRustC++ (low-latency components)RedisKafka

Custody & Security

HSM integrationMulti-sig (Gnosis Safe, Fireblocks-compatible)Cold storage architecture

Compliance

KYC/AML provider integrationSanctions screeningTravel Rule messaging

Infra

KubernetesPostgreSQLTimescaleDBAWS/GCP multi-region

The matching engine is the piece of an exchange with the least room for architectural compromise — it has to process every order fairly, in the correct sequence, under both quiet and extreme-volatility conditions, without dropping or reordering trades. We build on Go, Rust, or C++ depending on the latency budget, using an in-memory order book backed by Kafka event sourcing so every state change is durably logged and replayable, which matters enormously both for disaster recovery and for regulatory dispute resolution when a customer questions how their order was filled.

Custody is the second pillar, and the design question is always the same: how much value can be lost if any single credential, device, or person is compromised. Our default pattern keeps hot-wallet balances capped to what's needed for same-day withdrawal processing, routes anything above that threshold to a multi-sig warm tier requiring multiple approvals, and holds the bulk of platform assets in cold storage that's rebalanced on a scheduled cadence rather than being touched reactively.

Use Cases

Where crypto exchange & wallet development gets used

Centralized spot exchange

Full order-book trading across major and long-tail assets, with the matching engine, wallet infrastructure, and compliance stack built as one coherent platform.

Margin and derivatives trading

Leveraged spot, perpetual futures, and options products with configurable risk engines and automated liquidation logic.

P2P marketplace with escrow

Peer-to-peer trading platforms where funds sit in contract-based escrow rather than requiring users to trust a counterparty directly.

White-label exchange for regional launch

A customizable exchange core that lets an operator launch in a new market in weeks rather than building a matching engine from zero.

Institutional OTC desk infrastructure

Large-block trade execution and settlement infrastructure separate from the retail order book, built for counterparties who need price certainty on size.

Exchange migration and re-platforming

Moving an existing exchange off a legacy or vendor-locked matching engine without disrupting live trading or existing user balances.

Proof

Results we've delivered

Client Result

A regional exchange operator needed to migrate off a legacy matching engine that was dropping orders during volatility spikes. Hurain Technologies re-platformed the core engine, cutting p99 order latency from 480ms to 38ms and enabling the exchange to list 25 new trading pairs within its first quarter post-migration.

Process

How an engagement runs

1
Platform scoping
Order types, asset classes, target jurisdictions, and volume projections define the architecture.
2
Core engine & custody build
Matching engine, wallet infrastructure, and ledger built and load-tested against projected volume.
3
Liquidity & compliance integration
Market maker connections, KYC/AML providers, and monitoring tools wired into the platform.
4
Security hardening & pen testing
Independent penetration testing before any live funds are handled.
5
Launch & 24/7 monitoring
Go-live support with real-time monitoring, alerting, and incident response.

Engagement Models

How we structure the work

White-label exchange launch

Our customizable exchange core adapted to your branding, asset list, and jurisdiction, typically launched in 8-12 weeks.

Custom exchange build

A fully bespoke matching engine and platform for operators with requirements a white-label core can't accommodate, run as a dedicated engineering pod.

Migration engagement

A scoped project to move an existing exchange off a legacy or vendor-locked engine, typically the highest-risk, most carefully staged engagement type we run.

Post-launch operations retainer

Ongoing monitoring, feature development, and incident response once the exchange is live and processing real volume.

Pitfalls

Mistakes we see teams make

Underestimating load testing before launch

A matching engine that performs well in a demo with a handful of test orders can behave very differently once thousands of orders arrive during a real volatility spike.

Concentrating too much value in a hot wallet

Convenience-driven custody decisions — keeping more funds hot than operationally necessary — remain the single largest cause of exchange fund losses industry-wide.

Treating compliance as a bolt-on integration

KYC/AML systems wired in after the core platform is built tend to create gaps at the exact points where a determined bad actor would look for them.

Launching without a tested incident response plan

The first time a team tests their incident response process shouldn't be during an actual incident — we rehearse it before launch.

Glossary

Key terms explained

Matching engine: The core system that pairs buy and sell orders in an exchange's order book according to price-time priority rules.
Order book: The live, ranked list of buy and sell orders for a given trading pair, from which the matching engine determines fills.
Slippage: The difference between an order's expected execution price and its actual fill price, typically larger in thin, illiquid markets.
Market maker: A liquidity provider that continuously places both buy and sell orders to keep an exchange's spreads tight, usually compensated through fee rebates.
Travel Rule: A regulatory requirement for exchanges to share originator and beneficiary information on qualifying transactions between platforms, similar to wire-transfer rules.
Cold storage: Custody of private keys entirely offline, used to secure the majority of an exchange's holdings that don't need to move on short notice.

FAQ