Over 16 EH/s in H1 2025 via Black Pearl phase one
Company: Cipher Mining - Project: Black Pearl Facility
What the later record shows
Outcome not yet confirmed
No passage reports Cipher's total hash rate for the first half of 2025, so whether it passed 16 EH/s cannot be determined.
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 expects to exceed 16 EH/s of hash rate in the first half of 2025 via the fully funded phase one build of its Black Pearl data center.
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: “over 16 EH/s in the first half of 2025 via the fully funded phase one build of our Black Pearl data center”
How we checked this
Checked on November 11, 2026. The cited source supports every part of this claim.
Cipher's CEO states in the release that the company expects over 16 EH/s in the first half of 2025 via the fully funded phase one build of Black Pearl.
Confirmed in the source:
- Cipher expects to exceed 16 EH/s of hash rate in the first half of 2025
- Cipher attributes this target to the phase one build of its Black Pearl data center
- Cipher describes the Black Pearl phase one build as fully funded
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: “over 16 EH/s in the first half of 2025 via the fully funded phase one build of our Black Pearl data center”