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FENIZO
Crypto Wallet Development

Crypto Wallet Development Services

Unlock digital finance for your business with a custom-built crypto wallet — engineered end-to-end for secure, seamless and scalable cryptocurrency transactions, and shipped ready for your users.

200+Projects delivered
50+Wallets launched
24+Chains supported
100K+End users served
99.9%Security uptime
24/7Post-launch support
Built In, Not Bolted On

Features of every Fenizo wallet

Multi-Currency Support

Hold and manage a whole portfolio in one wallet — major chains and their token standards side by side.

Bank-Grade Security

Two-factor authentication, biometric unlock and end-to-end encryption guarding every key and every transaction.

Cross-Platform

One wallet across mobile, desktop and web, with the same balances and history wherever your users sign in.

Backup & Recovery

Seed-phrase backup and tested recovery flows, so lost devices never mean lost funds.

Built-in Exchange

Swap and trade directly inside the wallet — no third-party detours for your users.

Transaction History

A complete, searchable record of every transfer, swap and payment for users and admins alike.

The Basics

What is a crypto wallet?

A cryptocurrency wallet is a digital tool for storing, sending and receiving digital assets. It never actually holds your coins — those live on the blockchain. What it guards is your keys: the public key that lets anyone pay you, and the private key that proves the funds are yours.

  • Public key — your shareable address. Anyone can send assets to it.
  • Private key — signs every transaction. Whoever holds it controls the funds.
  • The blockchain — where balances actually live. The wallet is your window to it.
Pick Your Architecture

Every kind of wallet — we build all four

Who holds the keys, and where they live. Those two decisions define a wallet — watch the four architectures we deliver.

BTC / USDT64,218
BTC +2.1% ETH -0.8%
Custodial · Hot

Exchange-grade wallet

Instant trading and withdrawals for thousands of users, with keys secured in enterprise HSM/MPC custody.

  • HSM / MPC key infrastructure
  • Instant sending and swaps
  • Compliance-ready audit trails
2-of-3 approval
Custodial · Cold

Treasury vault

Institutional cold custody - keys fully offline, with multi-approval workflows for every movement.

  • Offline HSM key storage
  • Multi-signature approvals
  • Full audit and reporting trail
Balance2.98 ETH
0.26 BTC$16,7k Ξ2.98 ETH$7,1k
Send
Self-custody · Hot

Consumer app wallet

A self-custody wallet your users carry everywhere - dApps, swaps and payments one tap away.

  • User-owned seed phrase
  • Biometric unlock
  • dApp browser and swaps
Self-custody · Cold

Hardware-secured vault

Self-custody at maximum protection - keys offline, with Ledger and Trezor integration for signing.

  • Keys never touch the internet
  • Ledger / Trezor integration
  • Seed backup and recovery
Defence in Depth

Five layers between an attacker and the funds

Security is not one feature — it is the whole architecture. Every wallet we deliver wraps the assets in layered protection, so no single failure ever exposes a key.

  • AES encryption end to end, at rest and in transit
  • 2FA & biometrics — OTP, device checks, fingerprint and face unlock
  • Multi-signature approval for high-value transactions
  • HD key management (BIP-32) with seed backup (BIP-39) and cold storage
  • Third-party audits — smart contract review and penetration testing before launch
How We Build

From first call to a wallet in production

  1. 01

    Requirements

    Define supported chains, token standards, wallet types — custodial vs. non-custodial — and compliance needs.

  2. 02

    Architecture

    Design the key-management strategy, blockchain node setup, API layer and security model.

  3. 03

    Development

    Build the wallet core — transaction signing, balance fetching, DeFi hooks and NFT indexing.

  4. 04

    Security Audit

    Third-party penetration testing, smart contract audit and OWASP vulnerability assessment.

  5. 05

    Testing & QA

    End-to-end transaction testing on testnet and mainnet, load testing and device compatibility.

  6. 06

    Launch & Support

    White-label deployment, app store submission and ongoing node maintenance.

Custom Crypto Wallet Development

A wallet built around your business - your chains, your token standards, your compliance rules and your brand. Not a template with your logo on it.

From balance tracking and transaction signing to swaps, staking and NFT support, every module is engineered for your use case and shipped ready for the app stores.

Crypto Exchange Development

Give your users a market, not just storage. We build in-wallet exchange flows and full trading platforms - spot pairs, live order matching and real-time rates.

Liquidity integration, fee configuration and admin controls come wired in, so the exchange earns from the first trade.

Crypto Wallet Integration

Already running a store, an exchange or an app? We integrate a wallet into the platform you have - crypto checkout, balances and payouts - without disrupting what is live.

Your customers get one more way to pay. Your operations keep running exactly as they do today.

Wallet Maintenance & Support

A wallet is infrastructure - it has to stay fast, patched and online long after launch. We handle version updates, security patches, node operations and performance monitoring.

You grow the business; we keep the engine room running, around the clock.

Crypto & Blockchain Consulting

Not sure where to start - or how to fix what you have? We advise on architecture, chain selection, tokenomics and compliance before you commit a line of code.

Whether you are new to Web3 or scaling an existing product, you get a clear, costed roadmap instead of guesswork.

Multi-Chain by Default

Coins & networks your wallet can speak

Every wallet we ship is built multi-currency from day one — major chains, their token standards, and any EVM-compatible network on request.

BitcoinBTC
ΞEthereumERC-20
BBNB ChainBEP-20
SSolanaSPL
MPolygonMATIC
TTRONTRC-20
TetherUSDT
AAvalancheAVAX
$USD CoinUSDC
XXRPLedger
ŁLitecoinLTC
ĐDogecoinDOGE
+Any EVM chainon request
FAQ

Questions we hear before every wallet build

Can I build a secure crypto wallet for my business?

Yes, you can build a highly secure crypto wallet with advanced encryption, authentication, and secure key management features.

Do I need blockchain knowledge to develop a crypto wallet?

No, you do not need deep technical knowledge if you partner with an experienced development company that handles the entire process.

Can a crypto wallet support multiple cryptocurrencies?

Yes, modern crypto wallets can support multiple cryptocurrencies and tokens within a single platform.

Is it possible to launch a crypto wallet quickly?

Yes, with MVP development or white-label solutions, you can launch your wallet in a shorter time frame.

Do crypto wallets require ongoing maintenance?

Yes, regular updates, security patches, and performance improvements are essential for long-term success.

Can I customize the features of my crypto wallet?

Yes, crypto wallets can be fully customized based on your business needs, target audience, and required functionalities.

Is crypto wallet development suitable for startups?

Yes, crypto wallet development is ideal for startups looking to enter the blockchain space and offer innovative financial solutions.

Ready to build your wallet?

Tell us the chains, the users and the deadline — we will bring the architecture, the build and the audit.

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