The Remarkable Feat of a 500 Gh/s Bitcoin Mining Device
On July 24, a Bitcoin mining device with a modest hashrate of only 500 gigahashes per second (Gh/s) achieved an extraordinary feat by successfully mining a block. This notable event was reported by Bitcoin mining device retailer Altair Technology via an X post. The mined block is valued at approximately $206,000, reflecting the current Bitcoin price. The post read, “Congratulations to the miner who likely mined the first solo BTC block with a Bitaxe on @ckpooldev with ~500 Gh hashrate!”
Introducing the Bitaxe: A Compact Yet Powerful Mining Device
The device responsible for this achievement, known as the "Bitaxe," is produced by D-Central Technologies. As demonstrated by the YouTube channel "How Much?", the Bitaxe is approximately the size of a human hand, highlighting its compact nature. Despite its small size, the Bitaxe proved its capabilities by mining the block. It was connected to the node infrastructure service Solo CKPool when it successfully performed the mining operation.
Understanding Solo CKPool's Unique Service
Solo CKPool, as described on its website, is a service that allows miners to mine solo rather than through a traditional mining pool. The service explicitly states, "It is NOT a pool despite its name," emphasizing its unique approach. This platform facilitated the solo mining success of the Bitaxe device.
The Block's Details and the Mining Landscape
Blockchain data reveals that Bitcoin block number 853742, mined at 11:43 am UTC on July 24, was produced through Solo CKPool. According to Altair Technology, this block was mined by the 500 Gh/s Bitaxe device. This remarkable accomplishment highlights the contrast between the Bitaxe’s hashrate and the total hash power of the Bitcoin network, which stands at 552.49 Exahashes per second (Eh/s). This immense network power is equivalent to 552,490,000,000 Gh/s, or roughly 1.1 billion times the Bitaxe’s hashrate. Statistically, the Bitaxe had a 1 in 1.1 billion chance of mining a block every ten minutes.
The Economics of Solo Bitcoin Mining
Bitcoin miners consume electricity regardless of whether they successfully mine a block, incurring costs that must be covered independently. Consequently, solo Bitcoin mining is often likened to a lottery. However, for this particular miner, the gamble paid off handsomely. The decision to mine solo led to a substantial reward, showcasing the potential, albeit rare, success of solo mining.
A Look at Previous Solo Mining Successes
In a similar vein, another solo Bitcoin miner achieved success in April. However, this miner used a device with a hashrate of 120 petahashes per second (Ph/s) or 120,000,000 Gh/s. This device had 240 times the processing power of the Bitaxe, yet the fundamental principle of solo mining remained the same.
The Debate Over Centralization and Solo Mining
Most Bitcoin miners participate in mining pools, combining their hash power with other operators and sharing the rewards based on their contributions. This method is prevalent due to its higher likelihood of regular rewards. However, some Bitcoin enthusiasts express concerns over the potential centralization of the Bitcoin network resulting from pooled mining. They advocate for solo mining as a viable alternative to maintain the decentralized ethos of Bitcoin.
Conclusion: Celebrating the Bitaxe’s Success
The achievement of the 500 Gh/s Bitaxe device underscores the unpredictable nature of Bitcoin mining. Despite the staggering odds, the small device managed to secure a block, earning a significant reward. This event serves as a testament to the potential of solo mining, even with modest equipment. It also highlights the ongoing debate within the Bitcoin community regarding the balance between pooled mining and maintaining network decentralization.

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