Source: I've had 16 bank accounts shut down over bitcoin related activity this year alone. I've effectively learned all the pain points that lead to bank account audits. This combo is the most deadly.
And of course, as always:
I now treat interactions with my banks the same way you're supposed to treat interactions with law enforcement: saying as little as possible, don't answer what you're not asked, and with the knowledge that EVERYTHING you say is going to be used against you to close your account.
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