Also, we would advise all exchanges to make use of our multi-signature smart contract
which is among the best in the landscape.

Coincheck didn't use them and that's why they could have been hacked

要約：てめえらなんでセキュリティサボってんだよ。俺らの責任な訳ねーだろお前らで弁済しやがれ
って事言ってます