The Zhanke Group issued an open letter yesterday stating that it is firmly opposed to layoffs. According to Wu's blockchain news, Bitmain will optimize 1/3 of its employees, mainly the AI department. Then Wu Jihan said in the community and circle of friends: "The harmonious Bitmain alumni relationship is an asset to all people, and it is always good to be tangible and intangible. Do n’t be used as a gunshot, it ’s not convenient to leave a bad name. …. A competent and honest former colleague should not be a cannon fodder. "According to media reports, this optimization is not limited to the AI department, the ant mining machine sales department, and the mining pool department. A small number of employees have also been interviewed by HR.