- Solo CK earns substantial Bitcoin block reward.
- Miner increased hashrate using rented capacity.
- Event highlights individual success in major mining pool landscape.

Solo CK, a solo Bitcoin miner, earned 3.151 BTC ($330,386) by successfully mining Bitcoin block #899,826 through the CKpool on June 5, 2025.
Solo Mining Success
A Bitcoin miner, known as Solo CK, secured block #899,826, gaining 3.151 BTC. This includes a block subsidy and transaction fees. The miner, using CKpool, ramped up hashrate to 259 PH/s, likely via rental services.
“The miner who won the solo Bitcoin block recently ramped up their hashrate to 259 petahashes per second (PH/s), which is unusually large for a solo miner. Based on the fact that only one worker was connected, this was almost certainly a rented hashrate—likely from a cloud or marketplace service—temporarily pointed at the pool to try to win a block.” — Con Kolivas, Software Engineer, CKpool Source
Community Interest and Impact
The mining feat occurred with a significant hashrate increase. Software engineer Con Kolivas and CKpool developer Dr-ck confirmed the use of a rented hashrate, drawing a rare win in Bitcoin mining.
Bitcoin’s network remains largely unaffected structurally, yet this highlights technology’s fluid dynamics. Market observers emphasize that individual success stories remain statistical anomalies but capture community interest.
Long-Term Outlook
While the event registers as a singular success, the long-term dynamics of Bitcoin mining remain unchanged. Experts view this as a statistical rarity, akin to winning the lottery. No major governance changes ensue from such individual mining events.
Historical data shows solo mining block findings are rare, attracting attention yet causing negligible shifts in broader market trends. Such instances rarely influence Bitcoin’s core functions, standing mainly as community stories of technological achievement.