An experiment in fighting spam on public forms using “proof of work”

from blog Gonçalo Valério, | ↗ original
Spam is everywhere. If you have an email account, a mailbox, a website with comments, a cellphone, a social media account, a public form, etc. We all know it, it is a plague. Over the years, there have been multiple attempts to fight spam, with various degrees of success, some more effective than others, some […]