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Private company

Ghash.io

Bitcoin mining pool

GHash.io was a bitcoin mining pool subsidiary of CEX.io that operated from 2013 to 2016. The pool gained notoriety for briefly controlling more than half of bitcoin's computing power in 2014 (notable in that bitcoin was supposedly outside any party's control).2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jul 2013Founded1

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GHash.io was a bitcoin mining pool subsidiary of CEX.io that operated from 2013 to 2016. The pool gained notoriety for briefly controlling more than half of bitcoin's computing power in 2014 (notable in that bitcoin was supposedly outside any party's control).2

Timeline

  1. 2016Dissolved Dissolved1
  2. Jul 2013Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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