QuantumAuth Comparison Overview

This page provides a concise, side-by-side comparison showing why QuantumAuth is fundamentally more secure than traditional authentication systems and browser-based wallets.

The differences are architectural, not incremental.

---

Authentication Comparison

Feature / Property	Passwords	OAuth / OIDC	JWT / Sessions	WebAuthn / Passkeys	SSH Keys	QuantumAuth
Passwordless	❌	❌	❌	✔️	✔️	✔️
Shared secrets	✔️	✔️	✔️	⚠️	⚠️	❌
Hardware-bound	❌	❌	❌	✔️ (domain-bound)	❌	✔️ (TPM)
Non-exportable keys	❌	❌	❌	✔️	❌	✔️
Post-quantum secure	❌	❌	❌	❌	❌	✔️
Per-request authentication	❌	❌	❌	❌	❌	✔️
Token / session reuse	✔️	✔️	✔️	✔️	✔️	❌
Phishing resistant	❌	❌	❌	⚠️	❌	✔️
Survives server breach	❌	❌	❌	❌	❌	✔️
Universal identity (cross-app)	❌	❌	❌	❌	❌	✔️
Works beyond browsers	⚠️	⚠️	✔️	❌	✔️	✔️
User interaction required	High	Medium	Low	Medium	Low	None
Developer complexity	High	High	Medium	Medium	Low	Low
Replay attack resistance	❌	❌	❌	❌	❌	✔️

---

Wallet Comparison

Feature / Property	Browser Wallets (MetaMask, etc.)	WalletConnect	Hardware Wallets	Smart Wallets	QuantumAuth Wallet
Private keys in browser	✔️	⚠️	❌	⚠️	❌
Seed phrases	✔️	✔️	✔️	✔️	❌
Hardware-backed keys	❌	❌	✔️	❌	✔️ (TPM)
Non-exportable keys	❌	❌	✔️	❌	✔️
Browser submits tx	✔️	✔️	✔️	✔️	❌
Client submits tx	❌	❌	❌	❌	✔️
Phishing resistance	❌	❌	✔️	⚠️	✔️
Post-quantum ready	❌	❌	❌	❌	✔️
Account Abstraction native	❌	❌	❌	✔️	✔️
Policy-based execution	❌	❌	❌	⚠️	✔️
Seed loss risk	High	High	High	High	None
Browser trust required	High	High	Medium	Medium	None
Works without extension keys	❌	❌	✔️	✔️	✔️
Recovery without seed phrase	❌	❌	❌	⚠️	✔️

---

Key Takeaway

Traditional systems are built on reusable secrets and browser trust.

QuantumAuth removes both.

• No passwords
• No tokens
• No seed phrases
• No browser-based private keys
• No reusable credentials
• Hardware-rooted identity
• Per-request cryptographic verification

QuantumAuth is not a better wallet or a better login flow.
It is a different security model entirely.