The global supply chain crisis is disrupting shipments to US bitcoin mining firms

U.S. Bitcoin mining firms are experiencing delays for their equipment on order from China amid a global supply chain crisis.

Several large Bitcoin mining operations listed in North America, including Riot Blockchain, Bitfarms and Marathon Digital, have revealed shipment disruption in their recent production updates as a result of the ongoing global logistics issue over the past two months.

Texas-based Riot Blockchain said in early October that as of the end of September, its operating mining fleet had about 25,646 miners. It said that 2,000 units of Bitmain's AntMiner S19J Pro were shipped in late September and another 4,000 units were scheduled to be shipped from Bitmain's factory in Malaysia in early October. 

But per Riot's update on Wednesday, its deployed mining fleet has only increased by 1,624 units in October. It said now 11,500 units of AntMiner S19J Pro under previous purchase orders are expected to be shipped to its Texas facility in November. But it remains to be seen how many of the pending amounts can be delivered by the end of this month.

Riot said although the global logistics problems have disrupted some miner shipment schedules, the impacts to date "have not been material" and it's working with Bitmain and logistics providers to mitigate the issue where possible. 

Canada-headquartered Bitfarms, on the other hand, already experienced shipments disruption in September. It was originally scheduled to receive 7,230 units of Bitmain's AntMiner S19J Pro from September to December. The first batch of 2,200 units was supposed to arrive by the end of September but it only received 540 units. 

"Due to supply chain and shipping delays, the other 1,660 Bitmain S19j Pro miners originally scheduled for September delivery are en route and expected to be received in October," Bitfarms said in early October.

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