Solo Mining Insights & Real Math
Deep-dive articles on hardware, strategy, and the probability that runs the entire mining game. Written for miners who want the truth — no hype, just numbers.
Mining Variance & Poisson Math — Why Solo Mining Isn't Gambling
Solo mining variance explained with Poisson math: why 'mean time to block' isn't a countdown, why long dry stretches are normal, and how scale cuts variance.
Getting started
Solo Mine Bitcoin Cash (BCH) in 2026 — 5-Minute Setup, Any ASIC
Step-by-step: solo mine BCH with any SHA-256 ASIC in 5 minutes. Stratum config, AsicBoost, real odds, and what happens when you win. Non-custodial, 1% fee.
What Is Lottery Mining? Real Odds, Real Winners (2026)
Lottery mining looks like gambling but isn't. It looks like impossible odds — yet real people win. The actual math, the documented winners, how it differs from Powerball, and why it matters.
The Free ASIC (2026) — Intel's BZM2, the 256 Foundation, and the Open-Source Mining Stack
The complete guide to mining's most idealistic project: 256,000 Intel BZM2 chips distributed freely to open-source builders, the GPL-licensed Ember One hashboard, the Raspberry Pi-based Libre Board, why 26 J/TH doesn't matter here — and what a fully open mining stack means for Bitcoin's future.
Know your chain
BC2 Difficulty Drops: How Retarget Windows Work for Solo Miners
When a small SHA-256 chain like BC2 loses hashrate, its next difficulty retarget can crash up to 75% — opening a window where solo miners' odds jump. Here's how to spot one and how to play it.
eCash (XEC) Explained for Miners (2026) — History, Tokenomics, and What a Block Really Pays
The complete miner's profile of eCash: the 2020 fork that created it, the redenomination logic, the 58/16/16/10 coinbase split, Avalanche finality, the Heartbeat difficulty algorithm, live solo odds for every hardware class, and the honest risks.
Bitcoin Cash (BCH) Explained for Miners (2026) — History, ASERT, and Why the Block Height Beats Bitcoin's
The complete miner's profile of Bitcoin Cash: the 2017 block-size wars, the three-fork family tree, ASERT's per-block difficulty, the 100% miner coinbase, the May 2026 Layla upgrade, live solo odds for every hardware class, and the honest risks.
Bitcoin (BTC) Explained for Solo Miners (2026) — The Grand Prize, the Zetahash, and Why Individuals Still Win
Bitcoin from the solo miner's seat: how the network began as solo mining, the 21-million economics and the 2,016-block retarget, what a block really pays in 2026, live odds for every hardware class against a zetahash network, and the three honest reasons people still point one machine at the grand prize.
Hardware
Antminer S23 & S23 Hydro (2026): The Most Efficient Bitcoin Miner Yet
The Antminer S23 hits 318 TH/s at 11 J/TH and the S23 Hydro 580 TH/s at 9.5 J/TH — Bitmain's most efficient miners ever. Full specs, real prices, ROI math, and solo odds.
Nexus S1: The First 3nm Home Bitcoin Miner Is Here — 10 TH/s for 100 Watts
The Nexus S1 is the first home miner built on Bitmain's 3nm BM1373 chip — four ASICs, ~10 TH/s for ~100W. Real specs, power-cost tables, efficiency vs Bitaxe & NerdQaxe++, open-source firmware, and what 10 TH/s means for solo block odds.
Mining Cooling: Air vs Hydro vs Immersion — Complete 2026 Comparison
Air, hydro, or immersion cooling for ASIC miners? Real 2026 numbers on noise, efficiency, hardware lifespan and cost — and how to match cooling to your scale.
Solo Mine Bitcoin With an Old Antminer S9 or S17 (2026)
Old Antminer S9 and S17 rigs sell for $30–$300 — and an S17-class miner just won a $222K Bitcoin block. Here's how to turn 'obsolete' hardware into a real lottery ticket.
Hashrate Heating in 2026 — Turn Your Heating Bill Into Bitcoin (and Maybe a Block)
Bitcoin miners convert 100% of their electricity into heat — exactly like a space heater. The 2026 device landscape, the real offset economics at three electricity prices, the heat-pump caveat nobody mentions, and the solo mining twist that turns your radiator into a lottery ticket.
Bitcoin ASIC Chip Evolution: From BM1385 to BM1373 — The Complete 2026 Guide
A decade of ASIC silicon, told through the chips. BM1385, BM1387, BM1397, BM1398, BM1366, BM1368, BM1370, and the 3nm BM1373 in the Antminer S23. Nodes, J/TH, architecture, and what's next.
Can a Bitaxe Find a Bitcoin Block? Real Odds + 2026 Wins
A 1 TH/s Bitaxe vs a 980 EH/s network — yet block #826562 was solo-mined by one. Documented wins, the real math, and where you have a realistic shot in 2026.
NerdQAxe++ Guide (2026) — Every Revision Compared, Plus the Real Solo Math
The complete NerdQAxe++ buyer's guide: every version on sale — original, Rev 6, Rev 6.1, Rev 7, Hydro — what actually changed between revisions, why 4.8 and 6 TH/s listings are often the same board, and the numbers nobody else publishes: real solo odds on all five SHA-256 chains.
Avalon Nano 3S Guide (2026) — The $299 Turnkey Home Miner, Run Through the Real Solo Math
The complete Avalon Nano 3S buyer's guide: 6 TH/s at 140W from Canaan, five-minute app setup, three power modes, how it differs from the older Nano 3 and the Mini 3 — plus real solo odds on all five SHA-256 chains and the honest trade-offs versus open-source rivals.
NerdOCTAxe Guide (2026) — Every Version Compared: 4-Phase vs 6-Phase VRM, Rev 3.1, and the 'Titan' Truth
The complete NerdOCTAxe buyer's guide: 8× BM1370 chips, 9.6–12 TH/s, every revision on sale — why Rev 3.1's 6-phase VRM beats the older 4-phase design, why 'Titan' is the same hardware with a markup, the El Ocho origin story, and real solo odds on all five SHA-256 chains.
Avalon Q Guide (2026) — 90 TH/s in Your Living Room: Who It's For and What It Can Win
The complete Avalon Q buyer's guide: Canaan's 90 TH/s home tower with three power modes, quiet-mode operation, 5,700+ BTU/h of usable heat, full pool freedom — why it exists, who should buy it, and real solo odds on all five SHA-256 chains, down to an expected block every 20 hours.
Bitaxe Turbo Touch Guide (2026) — The Open-Source Touchscreen Miner, Run Through the Real Solo Math
The complete Bitaxe Turbo Touch guide: dual BM1370 chips on the GT 801 platform, 3+ TH/s overclocked at 43W, a 4.3-inch touchscreen with live network data, open source from silicon to pixels — plus real solo odds on all five SHA-256 chains and who this launch is actually for.
Block Proto Rig Explained (2026) — Modular Hashboards, Native Stratum V2, and What It Means for Mining
The complete guide to Block's Proto Rig: a custom 3nm ASIC co-designed with ePIC, nine tool-free replaceable hashboards, the open-source Proto Fleet platform with native Stratum V2, Core Scientific's ~15 EH/s deployment — and why an open-architecture miner matters even if you never buy one.
Antminer S23 Hyd 3U (2026) — One Petahash in One Box, and What It Does to Solo Math
The first single miner above 1 PH/s: the S23 Hyd 3U's 1,160 TH/s at 9.5 J/TH, what a 3U hydro unit actually requires to run, why third-party firmware doesn't work yet — and the solo mathematics nobody has written: one box holding a 1-in-16 yearly Bitcoin ticket and an expected BCH block every 22 days.
Fluminer T3 Guide (2026) — The Efficiency King of Home Miners, and the Scam You Must Avoid
The complete Fluminer T3 buyer's guide: 115 TH/s at 1,700W (14.78 J/TH — the best efficiency in the home class), 50 dB on household power, how it stacks against the Avalon Q and industrial S21 XP, the honest new-manufacturer caveats, real solo odds on five SHA-256 chains — and the fluminer.org phishing scam every buyer needs to know about.
Strategy
How to Choose a Solo Mining Pool in 2026 — The 7 Criteria That Actually Matter
A practical framework for evaluating any solo mining pool: fees, TLS encryption, latency, verifiable payouts, per-worker monitoring, coin support, and operator reputation. How to verify each one yourself.
Renting Hashrate for Solo Mining (2026) — The Real Math Behind the $75 Block
How miners rent SHA-256 hashrate and point it at solo pools: the probability math, the documented 2026 wins, the cost of one lottery ticket, the rookie mistakes, and why smaller chains change the equation.
Best Coins to Solo Mine in 2026 — Real Odds for Bitaxe, NerdQAxe & S21+
A complete guide to picking the right coin for your hardware. Real network numbers, expected-time calculations for Bitaxe, NerdQAxe, S21+, S23, and rental hashrate. No hype, just math.
Solo Mining Odds: Your Real Chances by Hashrate (2026)
From a 1 TH/s Bitaxe to a 500 TH/s farm — your actual odds of finding a block on BTC, BCH, BC2, BCH2 and XEC, explained in plain math. No hype, real numbers.
Solo Mining vs Pool Mining — Which Is More Profitable in 2026?
The math says they have the same expected value. The experience says they're completely different sports. Real fee comparison, real variance numbers, custody risks, tax implications, and a clear answer for every type of miner.
The Risks of Mining Small SHA-256 Chains (2026) — The Honest Checklist Before You Descend the Ladder
Better odds come with real trade-offs. The complete risk guide for minor SHA-256 chains: liquidity and exchange access, security budgets, difficulty-algorithm traps, development abandonment, volatility math — and the seven-point checklist to run before pointing any hashrate below Bitcoin Cash.
You Found a Solo Block — Now What? (2026) The Winner's Playbook Nobody Writes
The complete guide to the hours and days after a solo block win: verifying it on-chain, the 100-block coinbase maturity wait, operational security for sudden wealth, planning your exit before you need it, the tax reality in general terms, and how to tell the story without painting a target.
Math & concepts
Mining Variance & Poisson Math — Why Solo Mining Isn't Gambling
Solo mining variance explained with Poisson math: why 'mean time to block' isn't a countdown, why long dry stretches are normal, and how scale cuts variance.
Bitcoin Halving 2024 Aftermath — What Two Years Taught Us About 2028
The 2024 halving cut the subsidy to 3.125 BTC. Two years on: hashprice down ~70%, cost to mine 1 BTC above spot, brutal consolidation — and what 2028 brings.
Best Share Explained (2026) — How Close Your Miner Really Came to a Bitcoin Block
Every solo miner's dashboard shows a 'best share' — the closest your hardware ever came to winning a Bitcoin block. What that number actually measures, how to read it as coin flips, why it never resets, the gambler's fallacy to avoid, and what your best share proves about smaller chains.
Protocol
Stratum V2 vs V1 (2026): What Changes for Solo Miners
Stratum V1 has run mining since 2012 — plaintext, pool-controlled. V2 brings encryption and miner-built blocks. What actually changes for solo miners in 2026.
AsicBoost Explained (2026) — How Miners Hash 13% More Efficiently
AsicBoost is a SHA-256 optimization that lets ASICs do less work per hash. Covert vs overt, the 2017 controversy, BIP320 version-rolling, and why every modern miner uses it. The complete technical guide.
ASERT Explained (2026) — The Per-Block Difficulty Algorithm That Protects Solo Miners
How Bitcoin Cash's ASERT difficulty algorithm works: the aserti3-2d formula, the 2-day half-life, the anchor block, why per-block adjustment kills hit-and-run mining, the small-chain spike problem, and what it all means for a steady solo miner's odds.
More
Solo Block Wins Tracker (2024–2026) — Every Documented Win, Verified and Updated
The living chronology of documented solo mining wins: from the legendary sub-terahash Bitcoin blocks to the 2026 rented-hashrate streak, with hashrates, odds, rewards, and verification notes. Updated with every new win — plus the yearly statistics and how we verify each entry.
SHA-256 Solo Odds Report — July 2026 Edition (Updated Monthly)
The monthly state of the SHA-256 ladder: live difficulty and network hashrate for BTC, BCH, XEC, BC2 and BCH2, expected solo block times for every hardware class from Bitaxe to petahash, month-over-month movement notes, and how to read the numbers. One page, refreshed every month.
Ready to put the math to work? Configure your miner with the interactive Solo Start tool.
Solo Start →