Crime on bitcoin holders are rare. And like any other crime this can easyly be stop.

Most important.
 Holders need to not advertise there holding and stay Anonymous.
Keep wallets safe and seed untouchable where no one can find this.

If you are a cryptocurrency exchange and have no way of anonymous then up your security. And move to a safe country. I don’t think I would like to be advertised as an exchange holder and live in  third world country. This is dangerous for your safety and exchange.

This is why I have opened up a poll asking about cryptocurrency banks. We don’t have to call these banks can be called bitcoin trust funds account. This way people will know you don’t hold your wallet at home or office this can stop crime. Like a bank account you only hold small amount in wallet most large fund are locked which can only be taken with a visit to the bank. Or place