landfill

Unfortunately for him, his local council in Newport refused to let him access the landfill site where he says the device ended up - even after he offered to donate 25% of his Bitcoin stash to local charities if they let him.

Energy-from-waste incinerators have boomed over the past decade as local councils have faced higher charges to bury rubbish in landfill sites.

The council said it was "standard industry practice to divert waste from landfill through energy-from-waste facilities".

Pioneers of the genre such as Agnes Denes, who once transformed a Manhattan landfill into a wondrous urban wheat field, and Helène Aylon, who commemorated the end of the Cold War with anti-nuclear performance art, are absent.

These incinerators were described by the waste disposal industry as a green alternative to landfill.