Exclusive use of Antminer series
Company: Riot
The claim, verbatim
As of filing date, Company exclusively operates Antminer series of miners manufactured by Bitmain to mine bitcoin and to a much lesser extent litecoin
Source (primary)
Riot 10-K filed 2021-03-31 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “As of the date of this Annual Report on Form 10-K, we exclusively operated the Antminer series of miners manufactured by Bitmain Technologies Limited ("Bitmain") to mine bitcoin and, to a much lesser extent, litecoin.”
How we checked this
Checked on September 23, 2026. The cited source supports every part of this claim.
The 10-K says that as of its date Riot exclusively operated Bitmain Antminers to mine bitcoin and, to a much lesser extent, litecoin.
Confirmed in the source:
- As of the 10-K date, Riot exclusively operated Antminer series miners manufactured by Bitmain
- Riot used these miners to mine bitcoin
- Riot used these miners, to a much lesser extent, to mine litecoin
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000107997321000221/riot10k1220.htm) in full (422,011 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot 10-K filed 2021-03-31
Quote: “As of the date of this Annual Report on Form 10-K, we exclusively operated the Antminer series of miners manufactured by Bitmain Technologies Limited ("Bitmain") to mine bitcoin and, to a much lesser extent, litecoin.”