[andylynch]

Bitcoin doesn’t ask questions when you unexpectedly want to make a very large transfer to a new payee. Your banker will.

[paulpauper]

But exchanges will if you deposit that much, and will freeze your $ if they don't like your response.

[udev4096]

Why would you even use a central exchange? It makes no sense. The person holding an absurd amount of coins would not be stupid to throw it all away like that

[paulpauper]

then there is no way to liquate anything close to that much without a centralized exchange