list of possible ways ends to bitcoins ?

[xan_The_Dragon]

lists of ones ive heard of so far no matter how unlikely
END period (no possible recovery)
when transaction fee is > than total bitcoin total
No copy of blockchain exists
Quantum computing breaks mining
end with possibility for recovery
51% attack(bbq can be argued to have survived one)

hm looks like bitcoins are here to stay

feel free to add to it