The tyranny of passwords – is it time for a rethink?

They are elusive, infuriating gatekeepers that rule our lives. Easy to crack and hard to remember, forgetting them is pricey – it cost Stefan Thomas £160m in lost bitcoinModern life is the act of entering the third character of a long-dead family pet into an online form three times a week, getting it wrong, and speaking to a call-centre worker in India whose real name is almost certainly not Kenny, ad infinitum, until you die. Our ancestors lived short, brutish lives and died in chil