What if a multi-billionaire organisation were to buy a large amount of bitcoin (for example 30%) only to destroy the private key associated to the wallet and brag about it all over the internet ?
First, would it be possible to prove the loss of the private key ? no
Second, How the market would react ?
If that will happen I expect the price to double or even bitcoin became known all over the world. 30% of bitcoin values is not much for only him or her to control the price or destroy the private keys of others wallet. I wish such things happen.