Passkeys are the hottest login method of 2024-2026. Binance has partially supported them. This article explains the details. Download portals: Binance website, mobile Binance official app, iOS users without the app see the iOS install guide.
1. What is a Passkey?
Passkeys are based on the FIDO2 / WebAuthn protocols:
- The device generates a public-private key pair.
- The public key is sent to the service (Binance).
- The private key is stored on the device (Secure Enclave / TPM).
- Upon login, the device signs the request and confirms it via biometrics.
Traditional passwords are no longer needed.
2. Passkey vs YubiKey
| Item | Passkey (Software) | YubiKey (Hardware) |
|---|---|---|
| Carrier | Phone / PC + iCloud / Google | Physical hardware |
| Sync | Apple / Google Sync | No sync |
| Multi-device | Yes | No |
| Phishing Defense | Equally strong | Equally strong |
| Cloud Leak Risk | Yes (if Apple ID / Google is compromised) | None |
The underlying protocol is the same (FIDO2); the difference lies in where the key is stored.
3. Binance Support Status
Binance supports Passkeys as a 2FA method for certain account types. Specifically, under:
- Account → Security → Add Security Key
- Select "Built-in security key" (for Passkeys synced via Apple / Google)
- Or select "External security key" (for YubiKey, etc.)
4. Setup Process
iOS / Mac (Apple Passkey)
- Log into binance.com via your browser.
- Security Key → Add → Select Passkey.
- A prompt appears: "Create a Passkey using Face ID".
- Agree → It automatically syncs to iCloud.
- It becomes automatically available when logging into binance.com on other Apple devices.
Android (Google Passkey)
- Log into binance.com via Chrome.
- Add Passkey.
- Confirm using your screen fingerprint or PIN.
- It automatically syncs to your Google account.
- Available on other Chrome devices.
5. Passkey Security Model
Advantages
- Passwordless: Phishing sites cannot steal a password (because there isn't one).
- Domain binding: It only responds to binance.com.
- Biometrics: Requires Face ID / Touch ID every time.
Disadvantages
- Synchronization attack surface: If your Apple ID / Google account is compromised, the Passkey could be taken.
- Complex user experience (can be confusing when multiple keys coexist).
- Inconvenient cross-ecosystem switching (an iOS Passkey is hard to use on Android).
6. Recommended Combinations
High Security (Recommended)
- Primary: YubiKey (Physical)
- Backup: Backup YubiKey
- Emergency: Authenticator + Backup codes
Complete physical isolation.
Medium Security (Convenient)
- Primary: Apple / Google Passkey (Synced)
- Backup: Authenticator
- Emergency: Backup codes
Convenient, but synchronization is a potential risk point.
Hybrid
- Desktop: YubiKey
- Mobile: Apple Passkey
- Emergency: Authenticator
7. Apple ID / Google Accounts Must Be Strong
Passkey synchronization means that:
- If Apple ID / Google is compromised → Passkeys could fall into the attacker's hands.
- The 2FA on these two accounts themselves must be robust.
Specifically:
- Enable Advanced Data Protection (end-to-end encryption) for Apple ID.
- Enable 2FA + Advanced Protection Program for your Google account.
- Do not log into these two accounts on public devices.
8. Losing a Passkey
If you lose your iCloud account:
- Any Passkeys not logged into other devices are also lost.
- You must use another 2FA method to log into Binance.
- Then, add a new Passkey all over again.
Therefore, a Passkey cannot be your only 2FA — you must have other backups in place.
FAQ
Q1: Can Passkeys be used inside the Binance App? In-app logins typically use local biometrics + server session states. Passkeys are primarily used for web logins.
Q2: Can YubiKey and Apple Passkey coexist? Yes. Binance allows multiple security keys to be bound simultaneously.
Q3: How much stronger is a Passkey compared to SMS 2FA? Much stronger. SMS is vulnerable to SIM Swaps, whereas Passkeys are immune to phishing.
Q4: Will YubiKey become obsolete once Passkeys become popular? No. YubiKey's physical isolation still provides the highest level of security. Passkeys represent an upgrade in convenience.