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09/04/26 07:44 UTC-04

Miner Mined a Bitcoin Block with 1-in-300-Year Odds — Here’s How Much He Earned

A solo miner was mining cryptocurrency using equipment with a hashrate of 70 Th/s, equivalent to a single device from a 2019 lineup.

The solo miner successfully mined a Bitcoin block and earned $222,000. The power of his equipment gave him a chance of finding a block only once every 300 years.

On the morning of April 9, the miner mined block number 944,306 and earned a total of 3.128 $BTC ($222,012), according to data from Mempool.space. This included 3.125 $BTC as the block reward ($221.8K) and 0.003 $BTC ($212) in transaction fees within that block.


Bitcoin block 944306. Source: Mempool.space

The miner was mining on the European solo mining platform CKpool. Unlike traditional pools, where participants combine computing power and share rewards, CKpool does not redistribute hashrate: miners work independently, and only the one who finds the block first receives the reward.

Success on CKpool depends solely on the power of the miner’s equipment (hashrate) — the more attempts, the higher the probability. Even low-powered devices can mine a block, but the probability is extremely low.

A “solo miner” does not necessarily mean a miner with a single device — it can also be an entire data center with many powerful machines. However, in this case, the successful block was mined using equipment with a hashrate of 70 Th/s, equivalent to, for example, a single Bitmain Antminer S17+ device from 2019.

“Congratulations to miner bc1q~edvj with 70 TH for solving block 313 solo on eusolo.ckpool.org! A miner of this size has about a 1 in 100,000 chance of solving a block per day — roughly once every 300 years!” wrote CKpool developer Con Kolivas on X.

Last week, another miner using CKpool earned around $210,000 for finding a block with equipment rated at 230 Th/s. Kolivas estimated that such a miner has roughly a 1 in 28,000 chance of mining a block on any given day.

In September 2025, a solo miner using equipment with a hashrate of 61 Ph/s (around 300 modern mining devices) mined a Bitcoin block and earned $340,000. According to Kolivas, that lucky solo miner had rented the hashing power.

See also: "Bitdeer unveils SEALMINER A4 Bitcoin miner with 9.45 J/TH efficiency"

#Mining #Bitcoin (BTC)

Editor: Alyona Nabok
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