Bitmain Signs Another Deal of 15,000 Antminer S19 Series with Riot Blockchain, Empowering it with a Significant Mining Hash Rate Growth

Hong Kong, Dec.
22, 2020 – Bitmain – the world’s leading producer of
cryptocurrency mining hardware today announces a new purchase deal of 15,000
S19 Series Antminers with Riot Blockchain, Inc. (“Roit
Blockchain” or “Roit”), a Nasdaq-listed cryptocurrency mining company.  This approx. $35 million purchase is comprised of 3,000 S19
Pro Antminers (110 TH) and 12,000 S19j Pro Antminers (100 TH). These top-selling
miners are scheduled for receipt and deployment starting in May 2020 and
continuing through October 2021.

In total, Riot
has purchased 37,640 next-gen fleet of miners from Bitmain within this year.  Bitmain’s S19 Series has quickly become a true
game-changer and a model of high performance in the market since its debut. With
the new order of 15,000 S19 series Antminers, combined with the previous
purchases, Riot is predicted to significantly increase its mining rate capacity
to 3.8EH/s in 2021 and will gain an aggregate mining efficiency of 31.79±% 5
J/TH after full deployment.

“We are extremely excited to expand and
deepen our partnership with Riot Blockchain again this year. In total, Riot
additionally purchased 15,000 Antminer 19 series. The 19 series enjoy a wide
popularity in the global markets with outstanding hash rates and power
efficiency, which continuously bring tremendous values to our customers around
the world. I am confident that with the new purchase, Riot can continue to grow
their mining operation and play an increasingly vital role in bitcoin mining
across North America.” said Irene Gao, Antminer Sales Director of NCSA Region,

growth in deployed miners is paramount to a miner’s success,” said Jeff McGonegal,
CEO of Riot. “Expanding the Company’s bitcoin mining hash rate and operating on
a cost-effective basis is very important, particularly during periods when the
bitcoin spot price has appreciably increased. We are pleased to have secured
this latest…

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