According to the Klaytn team, all node operators are strongly recommend to upgrade to Klaytn v1.7.1. by Nov 17th 05:00 AM UTC. The version fixed memory corruption that can occur during processing of transactions. Gate.io supports this upgrade and will suspend KLAY deposits and withdrawals during the process. KLAY trading will not be affected. Deposits and withdrawals will be resumed as soon as possible after this upgrade. Thank you for your understanding and continued support. Learn more: https://medium.com/klaytn/notice-klaytn-v1-7-1-released-b8aa4135f9cd