Alborz Facility mining start date
Company: Cipher Mining - Project: Alborz Facility
The claim, verbatim
Began mining bitcoin at Alborz Facility in February 2022
Source (primary)
Cipher Mining 10-K filed 2023-03-14 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “We began mining bitcoin at the Alborz Facility in February 2022”
How we checked this
Checked on September 21, 2026. The cited source supports every part of this claim.
The document states this date verbatim.
Confirmed in the source:
- Cipher began mining bitcoin at the Alborz Facility in February 2022
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000095017023007793/cifr-20221231.htm) in full (564,500 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 10-K filed 2023-03-14
Quote: “We began mining bitcoin at the Alborz Facility in February 2022”