"The seed phrase has been a barrier to self-custody since day one. It's what scares normies away from keeping their own bitcoin, and it's a legitimate reason why people accept the counterparty risk of exchanges and custodial apps. Passkey Login doesn't eliminate the tradeoffs of self-custody, but it reframes them around something people already understand and use, namely the same biometric authentication that protects their banking app and their password manager."
"Passkeys are cryptographic credentials based on the FIDO2 WebAuthn standard, jointly promoted by Apple, Google, Microsoft, and the FIDO Alliance since 2022. Each passkey consists of a unique public-private key pair generated for a specific website or application. The private key remains stored in the secure element or similar hardware on the user's device, such as Apple's Secure Enclave, Android's Titan chip, Windows TPM, external security keys like YubiKey or the user's password manager."
Breez has integrated Passkey Login into its SDK, allowing developers to create self-custodial wallets that authenticate users through passkeys rather than traditional seed phrases. Passkeys are FIDO2 WebAuthn-based cryptographic credentials developed by Apple, Google, Microsoft, and the FIDO Alliance, storing private keys securely in device hardware like Apple's Secure Enclave or Android's Titan chip. Seed phrase support remains available for backwards compatibility. Breez identifies seed phrases as a significant barrier preventing mainstream adoption of self-custody, as users find biometric authentication more intuitive than managing recovery phrases. This approach maintains self-custody security while using familiar authentication methods similar to banking apps and password managers.
Read at Bitcoin Magazine
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