[Rasbora]

I am here to answer your prayers: https://rasbora.dev/blog/detecting-residential-proxy-network...

While my tool is just a proof of concept, it can easily be scaled up to run checks on a sign up form to prevent bad actors from abusing the system.

[derefr]

Interesting. "Anti-scalping" is a novel keyword to me; I've always just seen these kinds of techinques discussed under the "anti promotion-fraud" banner. Time for more research!