The Future of DeFi Trading

Trade Smarter.
Never Compromise.

NexVault is a security-first, non-custodial DEX wallet with five world-first features โ€” ghost routing, zero-knowledge receipts, biometric key binding, and more. Across 8 chains.

Launch App
LIVE ONEthereumPolygonArbitrumOptimismBaseBNB ChainAvalanche
8+
Blockchains Supported
6+
DEX Aggregators
5
World-First Features
0
Custodial Risk
Exclusive Features

Five things no wallet
has ever done.

Each feature solves a real DeFi pain point. Not in a roadmap โ€” built into the core from day one.

๐Ÿ‘ป
WORLD FIRST
Ghost Orders

Sign one order that names its own floor and walk away. A fixed order rests at your price; a decaying one starts above it and falls to that floor on a schedule you signed. Either way the wallet holds your keys and nothing moves until the terms you signed are met.

How it works: Sign an off-chain order โ†’ an allowlisted keeper watches the price โ†’ GhostOrderSettlement.sol pulls exactly what you authorised, at no worse than the minimum inside your signature.
๐Ÿ”
WORLD FIRST
ZK-Receipt Privacy Attestation

After every swap, generate a zero-knowledge proof that you executed a valid trade โ€” without revealing your wallet address, amounts, or counterparty. Prove DeFi activity to lenders or auditors without doxxing yourself.

Tech: snarkjs + Groth16 circuit ยท nullifier-based replay prevention ยท exportable as QR-encoded proof ยท on-chain verifiable via ZKReceiptVerifier.sol
๐Ÿงฌ
WORLD FIRST
Wallet DNA Biometric Guard

Your private key is cryptographically bound to your biometric on your specific device. Even if your seed phrase is stolen, funds cannot be moved without your Face ID or fingerprint on the enrolled device.

Derivation: Seed entropy + Secure Enclave ECDH key agreement โ†’ HKDF โ†’ final key. CryptoKit on iOS ยท Android Keystore BiometricPrompt. Fully documented in security whitepaper.
๐Ÿ›ก๏ธ
WORLD FIRST
Social Recovery with Time-Lock

Nominate 1โ€“5 on-chain guardians. Recovery uses Shamir's Secret Sharing โ€” a configurable threshold must submit shards. A 48-hour time-lock gives you time to cancel if triggered without your consent.

Guarantee: No centralized server ever sees a shard ยท end-to-end encrypted guardian comms ยท original owner can always cancel within 48h window ยท on-chain via RecoveryGuard.sol
โšก
WORLD FIRST
Micro-Portfolio Autopilot โ€” DeFi Cron Jobs

Create on-chain automated DeFi strategies you actually own. Non-custodial cron jobs powered by Chainlink Automation and ERC-4337. Auto-compound rewards, rebalance portfolio, auto-stake idle tokens. No third-party bot ever holds your keys.

Examples: "Auto-compound Aave USDC rewards every 24h" ยท "Rebalance to 60% ETH / 40% USDC every Sunday" ยท "Auto-stake idle MATIC when balance exceeds 50 MATIC" โ€” all non-custodial, all on-chain, user-signed UserOps only.
DEX Aggregation

Best price.
Every trade.

NexVault fans out to 6 DEX providers simultaneously and picks the optimal route โ€” or splits across multiple pools when that beats any single route.

๐Ÿ”€
Split Route Optimization
When splitting across pools beats any single route, NexVault splits automatically โ€” no manual configuration needed.
๐Ÿ›ก๏ธ
MEV Protection
Routes through Flashbots Protect private mempool by default. Your trades don't appear in the public mempool until mined.
โ›ฝ
Gasless Ghost Orders
Sign a Ghost Order off-chain. Pay zero gas upfront. Keepers fill it when your price is reached โ€” at a fixed threshold, or one that falls to a floor you set.
SWAP ROUTES โ€” 0.5 ETH โ†’ USDCLIVE
Uniswap v3BEST1,822.14 USDC0.23%
1inch1,819.88 USDC0.35%
Curve1,816.40 USDC0.42%
Balancer v21,814.10 USDC0.51%
SushiSwap1,811.74 USDC0.60%
Security Architecture

Built for paranoid people.
That's a compliment.

Every security decision was made before the first line of code. No retrofits. No compromises.

๐Ÿ”‘
2-of-3 MPC Key Splitting
Your private key is split into 3 shards using threshold cryptography the moment it is derived. It is never stored whole โ€” not in memory for more than a single signing operation.
noble-curvesnoble-hashesAES-256-GCM
๐Ÿ“ฑ
Secure Enclave Signing
On mobile, all signing operations happen inside iOS Secure Enclave or Android StrongBox TEE. Key material never touches the application layer.
CryptoKitKeystoreBiometricPrompt
๐ŸŒ
WebCrypto Non-Extractable Keys
In the browser, private key material is stored only as non-extractable WebCrypto CryptoKey objects. No private key ever touches localStorage, sessionStorage, or any extractable form.
WebCrypto APIIndexedDBDexie.js
๐Ÿ”ฎ
Transaction Simulation
Every transaction is simulated via Tenderly before you confirm it. You see the exact state changes โ€” tokens in, tokens out, approvals granted โ€” before signing anything.
TenderlyAlchemyGoPlus
๐Ÿ“‹
Audited Contracts
All 6 smart contracts are audited by Trail of Bits, ConsenSys Diligence, and OpenZeppelin before mainnet. 100% Foundry test coverage. Slither zero HIGH/MEDIUM policy.
Trail of BitsConsenSysOpenZeppelin
Multi-Chain Support

One wallet.
Every chain.

Real-time portfolio across all 7 chains in a single view. Cross-chain swaps routed by LI.FI and executed on your device โ€” no wrapping, no bridging headaches.

โŸ 
Ethereum
Chain ID: 1
โฌก
Polygon
Chain ID: 137
โ†—
Arbitrum
Chain ID: 42161
โ—‰
Optimism
Chain ID: 10
โฌก
Base
Chain ID: 8453
โ—†
BNB Chain
Chain ID: 56
โ–ฒ
Avalanche
Chain ID: 43114
Product Roadmap

From foundation
to launch.

52 weeks. 7 phases. Every milestone documented, every exit gate defined. No vaporware.

โœ“
Phase 0 ยท Complete
Pre-Development
API Contract Specification
Error Code Registry
Smart Contract Audit Brief
Coding Standards & PR Checklist
Token & Chain Config Spec
โœ“ All 6 docs complete
01
Phase 1 ยท Weeks 1โ€“6
Foundation & Core Crypto
Monorepo + Turborepo scaffold
BIP-39/44 key derivation
2-of-3 MPC key splitting
AES-256-GCM encryption
Smart contract skeletons
โ–ถ Starting now
02
Phase 2โ€“3 ยท Weeks 7โ€“20
Wallet Engine & DEX
HD wallet engine
6-DEX swap aggregator
Cross-chain swaps (LI.FI)
MEV protection routing
Gasless Ghost Orders
Coming Q3 2025
03
Phase 4โ€“7 ยท Weeks 21โ€“52
Exclusive Features & Launch
Ghost Orders settlement
ZK-Receipt generation
Wallet DNA biometric binding
Security audit (3 firms)
App Store + Chrome launch
Launch Q1 2026
Early Access

Be first.
Trade better.

Join the waitlist for early access to NexVault. First 1,000 members get lifetime Pro tier โ€” zero subscription fee, forever.

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