If you have kids who game you won't want to know, but will need to hear, that "paedophile hunting" is a booming genre of social media content.

A series of reports highlight how hate has proved resilient online after some temporary setbacks and is now raking in cash through a variety of digital avenues.

Efforts requiring users to verify their age before accessing online platforms – including social media, adult websites, and even news sources – are expanding rapidly in ...