Crypto & Web3 Apps
Crypto App Development Company
Custodial and non-custodial wallets, exchanges, on-ramps, and web3 apps for iOS and Android — built with secure key management and regulatory-aware engineering.
- Built crypto wallets, exchanges, and on-ramps
- MPC, HSM, KYC / AML, and on-chain monitoring
- Free 30-min crypto product strategy call
Talk to a Crypto Engineer View Case Studies
Talk to a Crypto App Engineer
Tell us about the crypto product you're building. A senior engineer will respond within one business day.
Trusted by Industry Leaders
★★★★★Top-rated on ClutchChampion & Global Leader
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What We Build
Crypto Apps Capabilities
Custodial & Non-Custodial Wallets
Mobile wallets with secure key management — MPC, HSM, biometrics, and recovery flows.
Exchanges & Trading Apps
Order book and AMM-based trading apps with realtime market data and order management.
On-Ramps & Off-Ramps
Fiat-to-crypto on-ramps and off-ramps with KYC, AML, and payment provider integrations.
Web3 & dApp Mobile
Mobile clients for dApps, NFT marketplaces, DAOs, and tokenized programs across major chains.
Compliance & Risk
KYC / AML providers, Travel Rule, sanctions screening, and risk scoring integrated with operations.
On-Chain Analytics
Chainalysis, TRM, Elliptic, and Merkle Science integrations for transaction monitoring and risk.
Crypto and web3 apps that don't lose your users' coins.
From custodial wallets to DeFi front-ends, we build crypto products with the security posture, observability, and UX that bring the next wave of users in.
- Custodial + non-custodial wallets with hardware-key support.
- Solana, EVM, and Bitcoin chains with reorg-aware indexing.
- On / off-ramps via Circle, MoonPay, and Plaid USD rails.
- Smart contract audits, monitoring, and rate-limited RPCs.
Total Portfolio
$47,892.34
+$1,924.18 · +4.2%
Crypto Apps Built for Real Money and Real Regulators
Crypto mistakes are public, expensive, and sometimes existential. Lost keys, compromised mnemonics, fee misconfigurations, and bad transaction flows have ended companies. The crypto apps that survive are the ones that treat security and operations as product features — not afterthoughts.
Maxiom Apps is a crypto app development company that builds wallets, exchanges, on-ramps, and web3 apps with hard-earned operational discipline. We architect for secure key management, KYC / AML, sanctions screening, on-chain monitoring, and clean transaction UX. We pair senior crypto engineers with security-minded designers so users feel confident and your compliance team has the tools they need.
- Secure Key Management
MPC, HSM, biometric auth, recovery flows, and key rotation patterns ready for security review.
- Mobile UX That Doesn't Lose Funds
Transaction flows with clear confirmations, fee estimates, address verification, and explicit risk messaging.
- Compliance Engineered In
KYC, AML, sanctions, and Travel Rule integrated with operations from day one — not bolted on later.
- Multi-Chain Where Needed
Production experience across major EVM chains, Bitcoin, Solana, and other emerging networks.
Where Our Work Has Impact
Consumer Wallets
Non-custodial and custodial mobile wallets with payments, swaps, and staking features.
Exchanges & Brokerage
Mobile order-book and brokerage apps with realtime market data and order management.
Fiat On / Off-Ramps
On-ramp / off-ramp apps with KYC, payments, and partner liquidity integrations.
NFT & Web3 Apps
NFT marketplaces, collectibles, and tokenized program apps with wallet connect.
Stablecoin & Payments
Stablecoin-based payment, payroll, and remittance apps with regulatory awareness.
DeFi Mobile
Mobile front-ends for DeFi protocols — lending, AMMs, perps — with on-chain auth and analytics.
How We Build, in Four Phases
01
Discover
Strip your idea to its core value.
02
Design
A lean plan that de-risks the build.
03
Develop
Senior engineers ship in 2-week sprints.
04
Deploy
Launch, measure, iterate to product-market fit.
Frequently Asked Questions
Do you build custodial or non-custodial wallets?
Which chains do you support?
How do you handle KYC / AML?
What about on-chain risk monitoring?
Can you migrate or modernize an existing crypto app?
Ready to Start Your Crypto Apps?
Let's design and ship something users actually love.