A solo Bitcoin miner achieved a major milestone today by successfully mining block number 899,826, earning approximately $330,000 from a single block reward. This event proves once again that individual miners can occasionally beat the odds against massive mining pools. 

Solo CK Miner Earns $330K Alone 

A miner known as “Solo CK” managed to mine Bitcoin block number 899,826 on June 5, 2025. By doing so, the miner earned 3.151 BTC as a reward. Using the CKpool mining pool, this individual gained about $330,000 at current Bitcoin prices. While this amount is lower than Bitcoin’s all-time high of $111,700, it is still a remarkable profit for a solo miner. To mine this 1.66 MB block, the miner paid approximately $2,761 (0.026 BTC) in transaction fees. 

Experts often compare the difficulty of solo mining to winning the lottery, as individual miners compete against global mining platforms with over 600 EH/s in total hash rate. Still, this achievement shows that solo miners can earn substantial rewards with persistence. 

A Historic Win Against Massive Mining Pools 

The solo miner mined block number 899,826, which contained 3,680 transactions. Major mining pools like Foundry USA mined the neighboring blocks 899,825 and 899,827. This makes the solo miner’s success even more impressive, especially given the reportedly low hash rate capacity of their hardware. While some in the crypto community called this event a “lottery win,” others questioned whether the miner truly had the power to achieve this. Nevertheless, similar victories have occurred before, proving that solo mining, while challenging, is possible. 

Similarly, on February 10, a solo Bitcoin miner successfully mined block number 883,181, earning a reward of 3.15 BTC, worth over $300,000 at the time. According to mempool.space, this block included 3,071 transactions. 

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