> You will know this because the 'price' of BTC will be zero. To be exact in this scenario, the 'price' of BTC will still be the price of the last trade in cry

> You will know this because the 'price' of BTC will be zero. To be exact in this scenario, the 'price' of BTC will still be the price of the last trade in cryto exchanges. The trading volume however, will be 0, and there will no demand on the bid/ask. Hence you're stuck with BTC you can't offload.