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tilde.town
| | www.dannyguo.com
2.8 parsecs away

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| | [AI summary] The author discusses their decision to migrate from Authy to Bitwarden for managing two-factor authentication (2FA) codes, highlighting issues with Authy's backup, syncing, and CPU usage, while detailing the benefits and setup of Bitwarden.
| | labanskoller.se
3.0 parsecs away

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| | You probably use an "authenticator app" such as Google Authenticator to enable two-step verification (sometimes called two-factor authentication, 2FA, or multi-factor authentication, MFA) for an online account. The method is called Time-Based One-Time Password Algorithm (TOTP) and is standardized in RFC 6238. In October 2017 when I evaluated HashiCorp Vault for generating and storing TOTP secrets for a system at work I realized that the Android version and iOS version of Google Authenticator differed a lot when it comes to which modes are supported.
| | feeding.cloud.geek.nz
1.1 parsecs away

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| | [AI summary] This article discusses the current state of TOTP two-factor authentication in 2025, highlighting interoperability issues and security considerations with various authenticator apps.
| | zserge.com
13.4 parsecs away

Travel
| Many of us use one-time passwords (OTP) regularly to log into different services. Most probably rely on Google Authenticator and similar tools. But what about building one by ourselves?