Potential 25 EH/s by end of 2025
Company: Cipher Mining - Project: Black Pearl Facility
What the later record shows
Outcome not yet confirmed
No passage reports Cipher's hash rate at the end of 2025. Black Pearl reached only 150 MW for mining before mining there stopped in February 2026.
Checked November 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Cipher says it has the potential to grow to 25 EH/s by the end of 2025 with the eventual completion of Black Pearl.
Source (primary)
cipher-mining 8-K exhibit (cifr-ex99_1.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-11-09)Live source ↗
Quote: “We have the potential to grow to 25 EH/s by the end of 2025 with the eventual completion of Black Pearl.”
How we checked this
Checked on November 11, 2026. The cited source supports every part of this claim.
The release directly states the 25 EH/s potential, the end-of-2025 timing and the dependence on Black Pearl's eventual completion.
Confirmed in the source:
- Cipher says it has the potential to grow to 25 EH/s by the end of 2025
- Cipher links that potential to the eventual completion of Black Pearl
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000095017024025393/cifr-ex99_1.htm) in full (14,946 characters, retrieved November 9, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (cifr-ex99_1.htm)
Quote: “We have the potential to grow to 25 EH/s by the end of 2025 with the eventual completion of Black Pearl.”