Crypto currencies

This would tip a man over the edge

bbc.co.uk/news/uk-wales-55658942

But I don’t get how it’s stuck on a hard drive, if I have funds in paypal then I can get to it from any of my devices. How can it be trapped on an old hard disk??

^^^^ I briefly heard someone talking about this on the radio this morning. I’d imagine that the Bitcoin are in an e wallet which will be encrypted, apparently he’s had them that long that he’s forgotten the passcode and had eight guesses at it, two more wrong guesses and it corrupts itself and loses him nearly a quarter of a billion dollars!