On August 17, a single miner independently obtained a block #910 440 in the network of the first cryptocurrency, receiving 3.137 BTC (~ $ 371 576) in the form of rewards and commissions. This was told by the administrator of CK Pool Kon Colivas.
Congratulations to Miner BC1Q ~ NWSGDW0WFH4TRQAL69FZ with 9PH FOR SOLVINGTHS SOLO BLOCK AT https://t.co/uwgbvlk5ae! A miner of this size has about a 1 in 800 Chance of Solving a Block Per Day.https://t.co/6wklc4ishw pic.twitter.com/z0oszvbcfs
-DR -ck (@ckpoolDev) August 17, 2025
According to him, the miner mined coins on equipment with a hashReit of 9 Th/S. The probability of such an event is approximately 1 to 800 per day.
There were 4900 transactions in the block. Of these, about 3300 had a commission less than Satoshi for a virtual byte (SAT/VB). An additional income from such operations amounted to only 0.0018 BTC (~ $ 220) – 0.06% of the Blok reward.
At the same time, each such transaction created new UTXO, increasing the load on the network without significant benefits for the miner.
Colivas noted that the inclusion of operations with low commissions was an experiment. Participants in the network, like F2Pool, have already begun to process them, and the rejection of this practice put solo-mainers in a disadvantage when mining new blocks.
The creator of CK Pool came to the conclusion that the potential damage from the mass creation of new UTXO exceeds “insignificant financial benefits”. Now the pool will only track such transactions, but not include them in blocks.
Colivas called on other pools to revise their policy, since such transactions in the long run can adversely affect the structure of the commissions.
Community reaction
Users thanked the creator of CK Pool for the analysis. The founder of the Fedora project Warren Togam called the UTXO expansion “a negative factor that the majority ignored for years.”
On July 27, another solo maider managed to earn $ 372,773 for the production of the block #907 283.
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Source: Cryptocurrency
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