A man who says he chucked out a hard drive containing £150million of Bitcoin has told how he wants to use robot "dogs" to recover it.
James Howells, 37, claims he accidentally tossed his 8,000 bitcoins into landfill after mixing up two identical hard drives at his home.
He bought the currency in 2009 when it was almost worthless - but the value has since soared, before dropping slightly. In November, the value stood at £459m.
