Active Hashcash

Protect Rails applications against bots and brute force attacks without annoying humans.

Hashcash is proof-of-work algorithm, invented by Adam Back in 1997, to protect systems against denial of service attacks. ActiveHashcash is an easy way to protect any Rails application against brute force attacks and bots.

Mounting it

# Gemfile
gem "active_hashcash"

# config/routes.rb
mount ActiveHashcash::Engine, at: "/hashcash"

Details

284 stars on GitHub · MIT licensed · maintained by BaseSecrete. Source: https://github.com/BaseSecrete/active_hashcash