VBranimir/mTOTP

mTOTP is an experimental, manual variant of TOTP designed to be computed by a human without electronic devices. It explores the limits of time-based authentication under strict human constraints and makes no claims of cryptographic equivalence to standard TOTP.

89 best points · 112 comments · 1 Hacker News post · 74 GitHub stars · View on GitHub

Hacker News discussions

• MTOTP: Wouldn't it be nice if you were the 2FA device? (89 points, 112 comments, by brna-2, 2026-01-19)