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Crypto wallets, DeFi protocols and the web & mobile apps around them, engineered by senior developers and trusted by startups in 30+ countries.

TOMI Wallet 50K+ downloads 4.8Rain $4M+ TVL at launch80+ projects shipped
Featured Work

Live in the App Store.
Used by Real People.

TOMI app icon

Crypto Wallet & Web3

Client: Tomi Inc. · 7 months

TOMI

A Web3 super-app where money chats.

A self-custodial, multi-chain wallet, encrypted messenger and AI assistant in one app. Users store, swap and send BTC, ETH, SOL and NFTs, and pay each other right inside chat.

50K+
Downloads
4.8★
App Store rating
100%
Self-custodial
React NativeFirebaseWeb3WalletNFT
TOMI app screensNoottools app screensLive⁹ app screens
Why Legereum

Built Like It Holds Millions.
Because It Does.

The wallets, protocols and apps we ship carry real users and real funds. So every project gets senior engineers, security-first engineering and a delivery plan you can hold us to.

Client satisfaction

0%
0+

Clients worldwide

Security First

Every line that touches keys or funds is reviewed, tested and audited before it reaches mainnet. Audited code, penetration testing and zero-trust architecture by default.

security-review.log

$ legereum audit --target wallet-core

Entropy sourcehardware RNG · 256-bit
Key storagesecure enclave / HSM
Reentrancy guardsall external calls
Access controlrole-based · multisig
Dependency scan0 critical issues
→ status:READY FOR MAINNET
Smart contract auditsPen testingZero-trustMultisig

Fast Delivery

Agile sprints, rapid MVPs and on-time launches. You see progress every sprint, not just at the end.

DiscoveryDesignBuildLaunch

Dedicated Teams

Senior engineers assigned to your project full-time, with a dedicated project manager as your single point of contact.

SEBCMBUXPMSenior engineers only
SolidityRustReact NativeNext.jsNode.jsDevOpsQA

Proven Track Record

See case studies
0+
Projects delivered
0+
Countries served
0K+
TOMI Wallet downloads
$0M+
Rain TVL at launch

Free consultation

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Client Stories

Trusted by Builders
Worldwide

5.0from founders of wallet & Web3 products
Wallet app

“Delivered on time and exceeded my expectations.”

“The app was delivered on time and exceeded my expectations in terms of functionality and design. It’s user-friendly and has all the features I requested. What impressed me the most was their attention to detail and willingness to make adjustments based on my feedback. I highly recommend to anyone looking for high-quality app development. I will definitely be returning for future projects!”

M

Mikee

CTO, Wallet

See the products behind these reviews

Wallets, DeFi protocols & Web3 apps

Let's Build Together

Ready to Build Something Extraordinary?

Whether you're launching a blockchain startup, scaling an enterprise platform, or building the next great mobile app — we're ready to make it happen.

No long-term contracts
Free initial consultation
NDA on request
Dedicated project manager