Password-less Login using IOS Passkey in Swift Native iOS — Step-By-Step Full Tutorial!

In this step-by-step tutorial, I show you how to implement a real, production-grade Passkey login system in native Swift for iOS — completely passwordless, using Apple’s secure authentication flow. This is the same technology used by major banks, fintech apps, and security-first platforms. What you’ll learn: 🔐 What Passkeys actually are and how they work 📱 Native Swift iOS Passkey registration flow 🧾 Generating WebAuthn challenges from the backend ✅ Verifying Passkey assertions securely 🔄 Passkey login vs traditional passwords 🧠 Handling success, failure, and edge cases ⚙️ Clean app-state management for logged-in vs logged-out users This tutorial is perfect for: Fintech apps Wallets Banking apps Secure dashboards Any app that needs real security without passwords — Support the channel and get the full source code here: https://www.patreon.com/posts/145280740 Subscribe for more security & fintech tutorials: Passkeys • Face ID • Apple Pay • Cybersource • SwiftUI • Payments • APIs 👉 @scriptpapi — If you’re building a secure iOS app and need help with authentication, drop a comment below.