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A solo Bitcoin miner scored a major victory on Thursday, earning a BTC reward valued at more than $225,000 after solving a Bitcoin block. The block win came just a week after the last reported solo score, highlighting that individual miners can still succeed despite very long odds.
The miner had roughly 0.001% odds of achieving the feat based on their mining hash power of 70TH, the amount of computational power deployed to solve a Bitcoin block. At that level, the solo miner’s computational power represented just 0.00000667% of the entire Bitcoin network.
Pseudonymous CKPool developer Dr-ck said: “A miner of this size has only a 1 in ~100,000 chance of solving a block per day, or once every 300 years!”
Bitcoin mining pits miners against each other in a race to solve cryptographic puzzles that secure the network as blocks of transactions are added. When a block is found, the successful miner receives a Bitcoin reward, currently 3.125 BTC, with the amount cut in half every four years or so.
The latest solo victory came one week after another miner, also using CKPool’s service, found a Bitcoin block and earned around $210,000. That earlier miner used more than triple the computational power as Thursday’s block finder, though it still represented a small fraction of the overall network.
Bitcoin’s overall hash rate has increased by nearly 15% in the last 24 hours, according to data from BitInfoCharts.
While blocks are typically found by large mining operations or pools, smaller solo miners occasionally “hit the lottery,” earning large rewards despite low probabilities. The latest score was the 313th solo block found all-time by users utilizing CKPool’s service.
CKPool offers users the opportunity to mine Bitcoin without the overhead required to run a full Bitcoin node. The service allows participants to use less mining hardware or less efficient miners while relying on CKPool’s storage and bandwidth to remain in the competition.
When a block is found using the service, miners pay a 2% fee to CKPool and keep the rest of the reward.
Bitcoin was up 1.2% in the last 24 hours, recently changing hands at $72,094. The top crypto asset by market cap was about 43% below its all-time high of $126,080 set last October.

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