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The official Ant pre-sale account, managed by Wu Jihanfang, reported "complaints of pre-sale rumors of new 5nm Antminer". According to the report, Bitmain Group recently discovered that Zhan Ketuan was operating outside of Beijing Bitmain Technology Co., Ltd. No release of pre-sale data on the new 5nm technology. However, in order to protect the majority of consumers from fraud, Bitmain Group has announced that 5nm products are still in the R&D and certification stages and will not be intended to generate business in the short term. 5nm is a modern chip process and requires redesign with many new technologies, and the mining chips developed by this process need to be extended, extended and supplemented. Therefore, although the R & D value is still high, the first generation 5nm Bitmain experimental product BM1360 chip is only used for internal evaluation to solve performance and reliability issues. new technologies, new technologies and new models. industry.