A solo Bitcoin miner claims a block reward of $330,000 despite the network's record difficulty

A solo Bitcoin miner obtained a block reward of $330,000 despite the network difficulty reaching a record 126.98 trillion.

A solo Bitcoin miner successfully mined block 899,826, earning a reward valued at $330,386, a rare feat amid record network difficulty.

According to data from mempool.space, the block was confirmed at 3:48 a.m. UTC on June 5 and included 3,680 transactions. The miner, who operates under the Solo CK group, raised a grant of 3.125 bitcoins ($BTC ) plus an additional 0.026 BTC in fees.

The average fee per transaction in block 899,826 was around $0.29, with an average fee rate of about 2 satoshis per virtual byte (sat/vB), suggesting relatively mild network congestion at that time.

In a post on June 5 on X, Con Kolivas, software engineer and administrator of the solo mining group ckpool, stated that the miner who recently won the Bitcoin block had increased their hash rate to 259 petahashes per second (PH/s), which is unusually high.

Based on the fact that there was only one worker (identity of the mining device) connected, he said that it was almost certainly a rented hash rate, likely from a cloud service or marketplace, which had temporarily targeted the group to try to win a block.

He mentioned that the account had been mining in CKPool but usually had a much lower hashrate. Therefore, the high hashrate was likely a short-term rental used to "attempt" to secure a block reward.

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