Trying to understand OTP apps a little better and distribution

I was thinking: What if I could abstract some of my otp applications from in my phoenix app and move them to another server? I got this idea because I wanted to see if I could not put one of my 3 free 256mb VMs from fly.io to use since I was hitting a out of memory error. [info][ 41.509215] Out of memory: Killed process 255 (beam.smp) total-vm:1880020kB, anon-rss:141076kB, file-rss:0kB, shmem-rss:69636kB, UID:65534 pgtables:624kB oom_score_adj:0 [error]could not make HTTP request to inst

Two-Factor Authentication (2FA) Explained: One Time Password Soft

Distributed OTP Applications Learn You Some Erlang for Great Good!

10 Ways to Use OTP. If you've conducted any online banking…

Mashreq - Avoid One-Time Password (OTP) fraud! Always

Quantum Key Distribution, QKD

One-Time Password (OTP) Authentication Methods – HOTP + TOTP

Login in the Canvas Using OTP - Power Platform Community

SMS-based OTP Authentication and Its Disadvantages

Apple has a simple yet effective new way to beat phishing attempts

What is Multifactor Authentication?

What is Truecaller Business Chat?