DEV Community

Auli Takala
Auli Takala

Posted on

Developer Tools for Building Quantum-Resistant Web3 Apps with Lattice

Developer Tools for Building Quantum-Resistant Web3 Apps with Lattice

The quantum era is coming—and most blockchain systems are not ready. ECDSA, Ed25519, and secp256k1 can all be broken by sufficiently powerful quantum computers. That means wallet keys, smart contracts, bridges, and L2s are all at risk.

Lattice is building a full quantum-resistant development stack on top of BlockDAG + PQC + EVM, enabling teams to build secure Web3 apps today.

This article introduces the developer tools available in the Lattice project:

  • Quantum-Safe Wallet Layer (QSWL)
  • Lattice Protocol SDK
  • PQ Smart Account Kit
  • PQ EVM Extensions
  • Lattice Rollup Toolkit (PQ L2)
  • PQ Bridges & Cross-Chain Tools

1. Quantum-Safe Wallet Layer (QSWL)

A drop-in wallet toolset for adding post-quantum signatures to any EVM-compatible dApp.

What developers get:

  • PQ key generation (Dilithium, Falcon, SPHINCS+)
  • PQ signing & verification utilities
  • Hybrid signature mode (ECDSA + PQ)
  • PQ transaction building helpers
  • Client-side PQ key storage utilities

Example use cases:

  • Build quantum-safe login
  • Deploy contracts requiring PQ signatures
  • Add PQ auth to existing wallets

2. Lattice Protocol SDK

A TypeScript toolkit designed to integrate PQ security into normal dApp flows.

Features:

  • Create PQ-verified transactions
  • Merkle-based PQ verification
  • Encode/decode PQ payloads
  • Tools for PQ hashing (SHA3, BLAKE3)
  • Built-in BlockDAG support

Developer benefits:

  • Works with all EVM wallets
  • Fully portable: web, mobile, backend

3. PQ Smart Account Kit

A next-generation account abstraction model using post-quantum keys instead of secp256k1.

Provides:

  • PQ account deployment scripts
  • PQ validation logic for AA entrypoints
  • Multi-key PQ guardians
  • Key rotation with PQ proofs

Perfect for:

  • Wallet apps
  • Security-focused dApps
  • Enterprise crypto systems

4. PQ EVM Extensions

Tools to build contracts that verify PQ signatures inside smart contracts.

Includes:

  • PQ verification precompile stubs
  • Contracts for Dilithium/Falcon verification
  • PQ hashing libraries
  • Solidity utilities for PQ-based permissioning

Enables:

  • PQ-signature-based access control
  • Quantum-proof DAOs
  • Quantum-resistant identity protocols

5. Lattice Rollup Toolkit (PQ L2)

A full developer kit for building L2 rollups secured with post-quantum cryptography.

Tools included:

  • PQ sequencer reference implementation
  • PQ transaction format encoder
  • PQ fraud-proof library (hash-based)
  • STARK-based PQ ZK proof templates
  • L1↔L2 bridge contracts
  • L2 state root verifier (L1 side)

Developers can build:

  • PQ secure L2s
  • App-specific rollups
  • Custom settlement layers

6. PQ Bridges & Cross-Chain Tools

Quantum-safe tools for connecting BlockDAG to other EVM chains.

Includes:

  • PQ message signing utilities
  • PQ Merkle proofs for cross-chain messages
  • PQ bridge contracts
  • PQ relayer templates

Use cases:

  • Quantum-safe bridging
  • Quantum-resistant data availability
  • Secure message passing across chains

Why It Matters

Developers building Web3 apps today must consider:

  • Signature-breaking quantum attacks
  • Bridge vulnerabilities under PQ threats
  • Smart contract validation in a PQ world

Lattice provides the tools to start building quantum-resistant systems now, not after the threat arrives.

Top comments (0)