Ming says to Re: 從零開始的公園生活交流群 https://www.google.com/url?sa=t&rct=j&source=web&q=&url=https://technews.tw/2018/03/26/coinbase-smart-contract-was-open-to-infinite-eth-withdrawals/&usg=AOvVaw3xTpOCxWHf3T1CmeDbzVqu