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The Solo Mining Phenomenon: How a 15W Bitaxe Found a Bitcoin Block and Won $240,000

The viral rise of open-source desktop lottery miners: how solo enthusiasts running 500 GH/s rigs hit valid Bitcoin blocks, probability mechanics, and review of Bitaxe Ultra, Nerdminer, and Avalon Nano.

The Solo Mining Phenomenon: How a 15W Bitaxe Found a Bitcoin Block and Won $240,000
Viral Milestone: A home solo miner running an open-source Bitaxe hardware device with a single ASIC chip found block 853,742 on Solo CKPool, capturing the full 3.125 BTC coinbase subsidy (~$240k).

1. The Math of Micro-Mining

With global hashrate exceeding 700 EH/s, a single 1 TH/s unit holds a 1-in-1.3 billion daily chance of mining a block. Because SHA-256 proofs are memoryless Poisson processes, every hash computed is an independent lottery ticket.

2. Desktop Hardware Landscape

  • Bitaxe Ultra / Supra: Open-source PCB utilizing a single salvaged Antminer S19 XP BM1366 ASIC chip over USB-C.
  • Avalon Nano 3: 4 TH/s mini desktop heater and mining node designed by Canaan.
The Solo Mining Phenomenon: How a 15W Bitaxe Found a Bitcoin Block and Won $240,000 | VECTOR | VECTOR