42,000 Antminer S19j miners from Bitmain
Company: Riot
What the later record shows
Delivered; the record does not say when
The 42,000-miner April 2021 agreement falls within the 2021 S19j agreements, which the 2022 10-K says were all delivered by January 2023. The passages do not say when this agreement's miners specifically were completed.
“During the year ended December 31, 2021, we entered into six purchase agreements with Bitmain to acquire 52,500 Antminer model S19j”
2023-03-01 · Riot 10-K filed 2023-03-02 View cached copy (2026-09-13)Live source ↗
“All miners subject to these purchase orders were delivered through December 31, 2022, except for 5,130 miners, which were delivered in January 2023.”
2023-03-01 · Riot 10-K filed 2023-03-02 View cached copy (2026-09-13)Live source ↗
Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Riot will acquire approximately 42,000 Antminer model S19j (90 TH/s or better) digital currency miners
Source (primary)
Riot 8-K filed 2021-04-07 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “to acquire approximately 42,000 additional Antminer model S19j (90 Terahash per second ("TH/s") or better) digital currency miners”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The filing states that Riot agreed with Bitmain to acquire approximately 42,000 additional Antminer S19j miners rated at 90 TH/s or better.
Confirmed in the source:
- Riot entered an agreement to acquire approximately 42,000 additional Antminer model S19j digital currency miners
- The miners are rated at 90 TH/s or better
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000107997321000253/riot_8k-040621.htm) in full (12,274 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot 8-K filed 2021-04-07
Quote: “to acquire approximately 42,000 additional Antminer model S19j (90 Terahash per second ("TH/s") or better) digital currency miners”
confirms Riot 10-K filed 2023-03-02
Quote: “During the year ended December 31, 2021, we entered into six purchase agreements with Bitmain to acquire 52,500 Antminer model S19j”