Bitcoin Miner Mines 899,826th Block, Making $330k in BTC Alone | CoinGape

Collective traders or organizations now dominate the Bitcoin mining industry, but a few solo miners like CK end up defying the odds at times, winning against these groups. A Solo BTC miner, CK, recently succeeded in mining the 899,826th block and made nearly $330K in one such event. How? Let’s discuss.

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Bitcoin Miner Solo CK Made $330k with Mining a Single Block

According to the crypto analyst Bitcoin Historian’s X post, a solo crypto miner known as ‘Solo CK’ has received 3.151 BTC in reward after mining the Bitcoin block 899826 on June 5, 2025, at 4:48:18 a.m. UTC.

Using the CKpool, the individual made a 3.125 BTC, equivalent to $330k at the current Bitcoin price, which is down significantly from its earlier ATH milestone of $111.7k. Moreover, he paid nearly $2,761 (0.026 BTC) in transaction fees for mining this 1.66MB block.


Although it seems like a common practice, experts believe that a solo miner mining the entire block is equivalent to winning the lottery. This is because the individual has to compete with global mining platforms and farms with their own horsepower against the massive 600+ EH/s network hashrate.

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Solo BTC Miner Winning Against Neighboring Block Validators

The solo miner mined the 899826th block, carrying 3,680 transactions, whereas the large pools like Foundry USA mined the neighboring blocks 899825 and 899827. This win is more significant because the Bitcoin miner had a very low hashrate.

Comparison of the neighboring blocks is as follows:

| | | | | | | --- | --- | --- | --- | --- | | Block | Miner | Fee Reward | Transaction | Avg Fee Rate | | 899827 | Foundry USA | 0.025 BTC | 3,872 | ~1 sat/vB | | 899826 | Solo CK | 0.026 BTC | 3,680 | ~2 sat/vB | | 899825 | Foundry USA | 0.015 BTC | 1,902 | ~1 sat/vB |

Although this is a major win, the community remains skeptical of the win. Some call it a jackpot, while others doubt the miner’s computing power. Besides this, it’s not that of a rare event, as many such incidents have also been noted in the past, but it’s highly challenging and difficult.

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Frequently Asked Questions (FAQs)

1. Who mined the block 899826?

The 899826th block is mined by a solo user, CK, using CKPool.

2. Why is solo mining hard?

Solo mining is difficult due to the high network hash rate and competition against large mining firms and groups.

3. How much in transaction fees did the solo miner pay?

The solo miner paid 0.0026 BTC in transaction fees to mine this block.

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