The money has already been spent, when the whatevercoin / digital asset was purchased.
Imagine starting from scratch. I make a single shitcoin, I sell it to you for 100,000 national central bank backed currency units. It then is discovered to be worthless (for whatever reason, nobody wants any of it) - you're left with nothing, I'm left with 100,000 CU.
For every BTC that drops to zero, there will be a balancing $100,000 in someone's bank account (except for the coins mined and held by the miners).
To expand on what others have written.
The money has already been spent, when the whatevercoin / digital asset was purchased.
Imagine starting from scratch. I make a single shitcoin, I sell it to you for 100,000 national central bank backed currency units. It then is discovered to be worthless (for whatever reason, nobody wants any of it) - you're left with nothing, I'm left with 100,000 CU.
For every BTC that drops to zero, there will be a balancing $100,000 in someone's bank account (except for the coins mined and held by the miners).