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Build Your Own Crypto Bank - Fast, Secure, Compliant

Deliver fiat and crypto accounts, wallets, transfers, and onboarding - built for Web3 and crypto-native use cases. FinLego powers your backend, so you can lead the front.
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All-in-One Infrastructure for Crypto Banking Products
FinLego equips crypto banks and Web3 finance platforms with the tools to operate full-featured financial services - wallets, payments, onboarding, compliance, and reporting - across fiat and digital assets. We unify legacy and blockchain-based rails, so you can launch a next-gen banking experience without stitching vendors together.
What Slows Down Crypto Banking Projects - and
How FinLego Accelerates Them
  • Lack of Unified Infrastructure
    Crypto banks must combine traditional banking services, crypto custody, payments, and KYC. Most vendors only cover one part.

    →
    FinLego delivers a complete platform across fiat and crypto - wallets, payments, onboarding, compliance, and dashboards via one stack.
  • Regulatory Hurdles
    Staying compliant with AML, KYC, and jurisdiction-specific crypto rules is resource-heavy and ever-changing.

    →
    We provide a built-in compliance layer tailored to fiat and digital assets - KYC, KYB, transaction monitoring, and region-aware workflows.
  • Siloed Wallet and Payments Logic
    Crypto, fiat, and token transfers often require separate infrastructure - slowing development and user experience.

    →
    FinLego offers one system that handles both fiat and crypto accounts, supports off-ramps, and allows unified flows.
  • Costly and Time-Consuming Builds
    Developing everything from wallets to dashboards from scratch can cost millions and delay time-to-market.

    →
    FinLego enables you to launch faster with pre-built modules, white-label apps, and low-code configuration.
Everything You Need to Power a Compliant Crypto Bank
Custodial & Non-Custodial Wallets
Support fiat and crypto accounts with the option to issue custodial or user-managed wallets.
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Core Ledger System
Full multi-asset transaction tracking, double-entry accounting, and FX logic across fiat and crypto.
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KYC/AML Tools
Built-in onboarding flows, sanctions screening, risk scoring, and audit trails - all crypto-ready.
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Money Transfers
Enable payouts and transfers in fiat (SEPA, SWIFT) and crypto (on-chain and off-chain routing).
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Crypto Payments
Accept and process crypto payments (BTC, ETH, USDT, and more), with on/off ramp integrations and OTC conversion options.
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Mobile & Web Apps
Custom-branded apps with biometric login, multi-asset wallet views, and secure user journeys.
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Why Web3 Builders Choose FinLego
Tomasz
CEO
We launched our crypto bank MVP in under 8 weeks with fiat and crypto flows - it would’ve taken a year to build in-house.
Elise
Co-Founder
FinLego helped us deliver a hybrid banking app - fiat wallets, crypto custody, and seamless KYC, all with one backend.
Dani
CTO
Our Web3 banking product runs on FinLego’s infra - we avoided at least 6 separate vendor integrations.
Bank-Grade Security, Built for Web3
  • Encrypted keys,
    biometric login, and secure session handling for all user types
  • AML transaction monitoring,
    watchlist checks, and customizable compliance workflows
  • Jurisdiction-specific onboarding
    flows and data retention rules
  • Secure infrastructure
    and GDPR-compliant data handling