[SlowMist Founder Yu Jian Questions Coinbase's Page Asking Users to Enter Plaintext Mnemonics: Unbelievable] SlowMist founder Yu Jian posted on the X platform, expressing his confusion over a Coinbase page that asks users to enter plaintext mnemonics for asset recovery. He stated that such an insecure practice is unbelievable, even almost suspecting that the subdomain had been hacked.