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Simple Implementation Plan: Quantum Proof Bitcoin Wallet (Demo Version)

Overview

Add a minimal "Quantum Proof Bitcoin" wallet type that demonstrates the concept of quantum-proofing Bitcoin addresses using fake quantum signatures for demo purposes.

Simplified Approach

  • Extend existing HDSegwitBech32Wallet (most common Bitcoin wallet type)
  • Use fake quantum hash generation for proof-of-concept
  • Minimal UI changes following existing patterns
  • No real cryptography - just demo functionality

Implementation Steps

Step 1: Create Quantum Proof Wallet Class

File: /class/wallets/quantum-proof-wallet.ts

import { HDSegwitBech32Wallet } from './hd-segwit-bech32-wallet';

export class QuantumProofWallet extends HDSegwitBech32Wallet {
  static readonly type = 'quantumProofWallet';
  static readonly typeReadable = 'Quantum Proof Bitcoin';
  
  public readonly type = QuantumProofWallet.type;
  public readonly typeReadable = QuantumProofWallet.typeReadable;
  
  // Store quantum proofs as simple JSON array
  public qProofs: QProof[] = [];
  
  // Generate fake quantum proof for demo
  generateQuantumProof(): QProof {
    const proof: QProof = {
      id: Date.now().toString(),
      btc_address: this.getAddress(),
      balance: this.getBalance().toString(),
      timestamp: new Date().toISOString(),
      btc_signature: this.signMessage('quantum-proof-demo', this.getAddress()),
      fake_quantum_signature: this.generateFakeQuantumSignature(),
    };
    
    this.qProofs.push(proof);
    return proof;
  }
  
  private generateFakeQuantumSignature(): string {
    // Fake quantum signature for demo - just a hash
    const data = `${this.getAddress()}-${Date.now()}-quantum-proof`;
    return require('crypto').createHash('sha256').update(data).digest('hex');
  }
}

interface QProof {
  id: string;  
  btc_address: string;
  balance: string;
  timestamp: string;
  btc_signature: string;
  fake_quantum_signature: string;
}

Step 2: Register Wallet Type

File: /class/index.ts

// Add this line
export * from './wallets/quantum-proof-wallet';

File: /class/wallets/types.ts

// Add to imports
import { QuantumProofWallet } from './quantum-proof-wallet';

// Add to TWallet union type
export type TWallet =
  | QuantumProofWallet  // Add this
  | HDSegwitBech32Wallet
  // ... rest unchanged

File: /class/blue-app.ts (around line 200+ in the switch statement)

case QuantumProofWallet.type:
  unserializedWallet = QuantumProofWallet.fromJson(key) as unknown as QuantumProofWallet;
  break;

Step 3: Add to Wallet Creation UI

File: /screen/wallets/Add.tsx

Find the wallet creation section and add new option:

// Add after existing wallet options (around line 340)
else if (selectedIndex === 3) {  // Adjust index based on current options
  w = new QuantumProofWallet();
  w.setLabel(label || 'Quantum Proof Bitcoin');
}

Add button configuration:

// In the button configuration area
{
  text: 'Quantum Proof Bitcoin',
  subtext: 'Bitcoin with quantum-proof signatures',
  // Use existing Bitcoin icon or add quantum-specific one later
}

Step 4: Add Quantum Proofs to Wallet Details

File: /screen/wallets/details.tsx

Add a simple "Generate Quantum Proof" button for quantum wallets:

// Check if wallet is quantum proof type
if (wallet.type === QuantumProofWallet.type) {
  // Add button to generate proof
  // Add list to display existing proofs
}

Step 5: Simple Quantum Proof Display

Create basic component to show proofs:

// In wallet details, show quantum proofs
{wallet.qProofs.map(proof => (
  <View key={proof.id}>
    <Text>Proof: {proof.id}</Text>
    <Text>Address: {proof.btc_address}</Text>
    <Text>Time: {proof.timestamp}</Text>
    <Text>Quantum Sig: {proof.fake_quantum_signature.substring(0, 16)}...</Text>
  </View>
))}

Files to Create/Modify

New Files:

  1. /class/wallets/quantum-proof-wallet.ts - Main wallet class

Files to Modify:

  1. /class/index.ts - Export new wallet
  2. /class/wallets/types.ts - Add to type system
  3. /class/blue-app.ts - Add deserialization
  4. /screen/wallets/Add.tsx - Add to wallet creation
  5. /screen/wallets/details.tsx - Add quantum proof UI

Timeline

  • Day 1: Create wallet class and register it
  • Day 2: Add to wallet creation UI
  • Day 3: Add quantum proof generation and display
  • Day 4: Testing and refinement

Demo Features

  • Create quantum proof Bitcoin wallet (inherits all Bitcoin functionality)
  • Generate fake quantum proofs with timestamps
  • Display quantum proofs in wallet details
  • Export/share quantum proofs as JSON
  • Minimal UI integration following existing patterns

Future Enhancements

  • Replace fake quantum signatures with real post-quantum cryptography
  • Add external verification
  • Add blockchain anchoring
  • Add batch proof generation

This simplified approach gets a working demo with minimal code changes while following BlueWallet's existing patterns.