The hype around NFTs is reaching critical mass, with more and more companies and public figures joining the frenzy each day. In this edition of Tech 24, we explore why this might be the case, despite the technology itself being almost eight years old – the first NFT was created back in 2014. We also delve into the controversial world of play-to-earn gaming, which relies on NFTs. It promises money for playing, but does it deliver? Our Technology Editor Peter O'Brien has been finding out.