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Infrastructure for Crypto Exchanges and OTC Desks

Launch or scale a crypto exchange or OTC desk with FinLego’s ready-to-deploy modules - wallets, fiat rails, FX, and compliance, all handled in one platform.
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Built to Power High-Volume Crypto Operations
FinLego provides the backend stack that crypto trading platforms need - whether you’re launching a public exchange, a broker app, or a private OTC desk. From crypto and fiat wallets to trade routing, liquidity flows, and compliance - we handle the plumbing so you can focus on pricing, spreads, and user experience.
Where Crypto Platforms Struggle - and
How FinLego Helps
  • Fragmented Wallet Infrastructure
    Managing wallets for fiat, crypto, and stablecoins across chains and custody providers is complex.

    →
    FinLego offers unified custodial and non-custodial wallets with multi-chain support and integrated fiat on/off-ramps.
  • Manual Trade Reconciliation
    High-volume OTC desks and exchanges often suffer from reconciliation delays and errors.

    →
    FinLego’s double-entry ledger with timestamped records automates transaction tracking, FX logic, and settlements.
  • Fiat Integration Bottlenecks
    Connecting banks, PSPs, and payout networks across regions is time-consuming.

    →
    FinLego connects you to global fiat rails (SEPA, SWIFT, FPS) and PSPs with a single integration and dynamic routing.
  • Compliance Gaps & Risk Exposure
    Onboarding users in different jurisdictions without proper KYC/AML layers risks major compliance issues.

    →
    Use FinLego’s jurisdiction-aware onboarding, transaction monitoring, and sanctions screening - all out-of-the-box.
All the Tools You Need to Run a Secure, Scalable Trading Operation
Wallet Engine
Support for fiat, crypto, and stablecoins across multiple chains - custodial or non-custodial options available.
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Core Ledger System
Full audit trail, FX logic, margin reconciliation, and fee management with double-entry accounting.
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KYC/AML Tools
Identity verification, document checks, sanctions screening, and ongoing monitoring.
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Money Transfers
Enable instant fiat payouts or crypto withdrawals with pre-integrated global payment rails.
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Crypto Payments
Accept, send, and convert major digital assets using integrated on/off ramps and liquidity partners.
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Currency Exchange
Automate conversion flows between fiat, crypto, and stablecoins with spread controls and pricing logic.
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How Trading Teams Use FinLego to Scale
Maya
Head of Ops
We needed a fast way to roll out fiat wallets and ledgering to support our OTC desk - FinLego delivered in under a month.
Thomas
Co-Founder
Everything from user onboarding to fiat payouts is handled in one place - we don’t waste time stitching systems together anymore.
Diego
Product Lead
FinLego gave us the structure to build a scalable and compliant spot trading platform while focusing on liquidity and UX.
Institution-Grade Protection for Crypto Trading Flows
  • Secure key management
    and multi-sig wallet configurations
  • Real-time fraud rules
    and transaction anomaly detection
  • Geo-restricted onboarding
    and spend rules per jurisdiction
  • Encrypted identity
    and KYC data handling