← All work · 2014 · Crypto infrastructure
GHash.IO: the Bitcoin mining pool that approached 51%
A high-performance Bitcoin mining pool that briefly reached 51% of global hashrate — and the operational and reputational response that followed.
About the project
GHash.IO grew into one of the largest Bitcoin mining pools of the era. In early 2014 it briefly approached 51% of global hashrate — a milestone that became a public stress-test of the network's decentralisation assumptions. The work spanned pool infrastructure, real-time monitoring, automated payouts, and the operational response when scale itself became the story.
Challenge
Run a mining pool reliably enough to attract significant hashrate, while staying transparent about — and ultimately defusing — the network-centralisation concern that the scale created.
Solution
- 01Built and operated mining-pool infrastructure at scale
- 02Implemented real-time hashrate monitoring and reporting
- 03Designed automated payment systems for miners
- 04Coordinated the public response and miner outreach when pool share approached 51%
Results
- →Briefly reached 51% of global Bitcoin hashrate (January 2014)
- →Maintained reliable payouts to a large miner base through that period
- →Catalysed an industry conversation about pool decentralisation that shaped subsequent network norms
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