Web3 & Blockchain
Next-Generation Web3 Wallets Built for Security and Mainstream UX.
What we build
Web3 Wallet Development, end to end.
Account Abstraction Wallets (ERC-4337)
Smart contract accounts powered by ERC-4337, featuring biometric passkey authentication, social recovery, and gas sponsorship.
- Passkey & FaceID WebAuthn signers
- Paymaster gas sponsorship
- Social guardian account recovery
- Batched multi-call transactions
Non-Custodial Mobile & Desktop Wallets
Bespoke iOS, Android, and Electron wallet applications with hardware-backed Secure Enclave private key protection.
- Multi-chain token balance indexing
- In-app token swaps and bridge routes
- Hardware wallet connection (Ledger / Trezor)
- Push notifications for incoming funds
Browser Extension Wallets
Secure Chromium and Firefox browser extensions that inject Web3 providers (EIP-1193) into decentralised web applications.
- EIP-1193 provider injection
- DApp permission management
- Malicious address & phishing detection
- Custom RPC network addition
Problems we solve
Common friction, addressed directly.
The problem
Users losing their life savings by misplacing 12-word recovery seed phrases.
Our approach
We implement ERC-4337 smart accounts and MPC (Multi-Party Computation) enabling social recovery and biometric passkeys.
The problem
New users needing to purchase native cryptocurrency just to pay transaction fees.
Our approach
We configure paymasters allowing users to pay gas in stablecoins (USDC) or allowing your app to sponsor gas entirely.
The problem
Users approving malicious wallet draining transactions unknowingly.
Our approach
We incorporate transaction simulation engines that preview asset balance changes before the user confirms the signature.
Capabilities
Standards we work to.
ERC-4337 Smart Account Architecture
UserOperation bundlers, entry point contracts, and paymaster integration.
Passkey & Biometric Authentication
Signing cryptographic transactions using Apple FaceID and Android Biometrics via WebAuthn.
Secure Enclave Hardware Storage
Storing private keys inside isolated hardware security modules on mobile devices.
Pre-Transaction Simulation
Simulating on-chain execution to display exactly what assets will leave or enter the wallet.
Kizoona Tech · Stack
Tools we typically use.
Account Abstraction
- ERC-4337
- Biconomy
- ZeroDev
- Pimlico
- Viem
Mobile & Extension
- React Native
- Swift
- Kotlin
- Manifest V3
- TypeScript
Security & Cryptography
- WebAuthn
- Secure Enclave
- BIP-39 / BIP-44
- Blowfish API
Security-First Wallet Engineering
- Private keys and seeds never touch central servers or persistent unencrypted memory
- Hardware-backed encryption (iOS Keychain / Android KeyStore) for all key material
- Pre-transaction simulation showing clear asset inflow and outflow breakdowns
- Strict Content Security Policies (CSP) on browser extensions preventing script injection
Delivery
How a typical engagement runs.
- 01
Key Management Architecture
Choosing between non-custodial seed phrases, MPC key shares, or ERC-4337 smart accounts.
- 02
Security Threat Modelling
Auditing memory exposure, clipboard sniffing risks, and secure key derivation paths.
- 03
Interface & Biometric Integration
Designing an intuitive, friendly wallet interface with FaceID and passkey authentication.
- 04
Bundler & Paymaster Setup
Hooking ERC-4337 bundlers and sponsoring policies for gasless user transactions.
- 05
Penetration Testing & Release
Conducting rigorous mobile security audits and publishing to Apple App Store and Chrome Web Store.
Representative scenarios
Where this service fits.
Illustrative examples of the kinds of problems this service addresses and how we would approach them. They are not client case studies.
Gasless Consumer Wallet for Web3 Gaming
Typical challenge
A mobile gaming studio needed an embedded wallet where gamers could trade items without paying gas fees.
How we would approach it
An ERC-4337 smart wallet with passkey login and sponsored gas, removing two common onboarding hurdles.
Multi-Chain Corporate Treasury Mobile Wallet
Typical challenge
An enterprise needed a secure mobile wallet for executives to approve protocol multisig transactions on the move.
How we would approach it
A hardened React Native wallet with WalletConnect and Ledger Bluetooth signing.
Security & performance
Considerations built in from the start.
- Hardware-Isolated SignaturesSignatures are generated within the device's hardware chip, shielded from malicious software.
- Phishing Blacklist TelemetryReal-time checking against known malicious Web3 domain registries before approving dapps.
FAQ
Questions we are often asked.
What is Account Abstraction (ERC-4337) and how does it help our users?
Account abstraction turns regular user accounts into smart contracts. This enables features like signing in with FaceID or passkeys instead of seed phrases, sponsoring gas so users do not need to hold gas tokens, and setting daily spending limits.
Can users recover their wallet if they lose their phone?
Yes! With smart contract wallets and social recovery, users can designate trusted guardians (friends, family, or cloud backup shards) who can cryptographically authorise wallet recovery without revealing private keys.
Can we build a custom browser extension like MetaMask for our ecosystem?
Yes. We build branded Chrome, Brave, and Firefox extensions using Manifest V3 with custom UI, token auto-detection, and built-in swapping.
Do you store any of our users' private keys on your servers?
Never. We build strictly non-custodial software where private keys are generated, encrypted, and stored solely on the user's local device hardware.
Related work
Relevant projects.
- Client2025AXNS ProtocolA decentralised liquidity and asset-management protocol, pairing a considered smart-contract architecture with a clear, institutional-grade web interface.View project
- Concept2026Vortex AnalyticsAn internal concept for an on-chain intelligence console that tracks protocol yields, contract anomalies and cross-chain wallet balances.View project
- Concept2026Kova Autonomous PayAn internal concept for a consumer finance assistant with automated savings rules, simple payments and real-time spending insights.View project
Connected services
Often combined with.
- DApp DevelopmentThe decentralised applications that connect with your wallet.
- Smart Contract DevelopmentSmart account contracts and paymaster infrastructure.
- Mobile App DevelopmentHigh-performance native mobile engineering.
Start a conversation
Planning a web3 wallet development project?
Send a short brief on WhatsApp or through the project form. We will reply with questions, a suggested approach and an indicative timeline.