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imagine an entity would set a buy wall of 4,2 billion dollar on an exchange - the price could never be lower than 200$ again...
Imagine if that 4.2 billion dollars is removed from an exchange, and is offered instead for a metric ton of my poop? My bowel movements would make me exceptionally wealthy.
Sadly, my scenario hinges on the same improbable event as yours: Someone being batshit crazy enough to part with 4.2 billion dollars for our respective treasures.