BlockBeats News, November 26th, The Mining Pod blog show revealed that the U.S. Customs and Border Protection (CBP) is detaining certain imported Bitmain Antminer mining machines at U.S. ports of entry. The involved devices are Bitmain's Antminer S21 and T21 series, which are Bitmain's latest ASIC mining machine series.
Sources revealed that the FCC and CBP did not target other ASIC manufacturers such as MicroBT or Canaan. In addition to disclosing the FCC's request for a freeze, the U.S. Customs and Border Protection did not provide the affected parties with the specific reasons for taking this action, nor did they specify how long the goods would be detained.

