Antminer S19a Specifications — Hashrate, Power, Efficiency & Specs
The Bitmain Antminer S19a is a mid-generation refresh of the S19 platform, featuring the improved BM1398AC chip variant that delivered higher efficiency through better silicon…
Category: ASIC Hardware
Comprehensive coverage of ASIC mining hardware: chip architecture, miner teardowns, performance benchmarks, and buyer guides. Know your hardware inside and out.
Bitcoin Mining in Canada vs USA: Complete Comparison 2026
North America is the undisputed epicenter of Bitcoin mining. The United States and Canada together account for roughly 40% of global hashrate, and for good reason: abundant energy…
Bitaxe vs FutureBit Apollo: Which Open-Source Bitcoin Miner Should You Buy?
For a complete overview of all Bitaxe models and resources, visit our Bitaxe Hub.
Avalon Nano 3 vs Bitaxe: Which Home Bitcoin Miner Is Better?
The home mining space has never had more options. Two of the most popular choices sitting on desks and shelves right now are Canaan’s Avalon Nano 3 and the Bitaxe open-source miner family.
Antminer S21 Review 2026: Performance, Efficiency & Setup Guide
When Bitmain announced the Antminer S21, the Bitcoin mining world took notice. After years of incremental improvements across the S19 lineup, the S21 represents a genuine generational leap…
Open-Source Bitcoin Miners Comparison 2026: Bitaxe, NerdAxe, NerdQAxe & More
The entire history of Bitcoin mining hardware has been a story of centralization. A handful of manufacturers, behind closed doors, designing chips and machines that only they control.
Bitaxe Block Wins Tracker: Every Solo Block Found
On July 24, 2024, something happened that the probability calculators said should take thousands of years. A single Bitaxe Ultra — a hand-sized, open-source Bitcoin miner producing…
Control Board vs Hashboard: Understanding ASIC Miner Components
Every ASIC miner — whether it is an Antminer S21, a Whatsminer M60, or an old S9 running as a space heater — is fundamentally built from two types of boards: the control board and the…
Bitaxe Cooling Solutions: Complete Thermal Management Guide
Every ASIC chip is a furnace in miniature. The BM1366 and BM1370 chips inside your Bitaxe are computing trillions of SHA-256 hashes per second, and every single hash generates heat.
ASIC Repair Process: What to Expect When You Send Your Miner for Repair
So your ASIC miner is down. Maybe a hashboard stopped hashing, a fan died, or the whole unit refuses to boot. You have done the troubleshooting, tried the firmware flash, reseated every…
Antminer S21 Repair Guide: Common Issues and Solutions
The Antminer S21 represents Bitmain’s latest generation of SHA-256 mining hardware, delivering up to 200 TH/s at a remarkable 17.5 J/TH efficiency.
ASIC Miner Repair Costs: Complete Pricing Guide for 2026
Complete guide to ASIC miner repair costs in 2026. Covers pricing for hashboard repair, control board repair, chip-level micro-soldering, PSU repair, and full system rebuilds. Includes repair vs replace decision framework and cost breakdown by miner model.
Every Hash Counts: The Philosophy Behind Solo Mining
On July 24, 2024, a single Bitaxe — an open-source Bitcoin miner with roughly 3 TH/s of hashrate — found a valid Bitcoin block. Block 853,742. The entire block reward, 3.
Best Bitcoin Miners for Beginners in 2026: Complete Guide by Budget
Buying your first Bitcoin miner is not a financial decision. It is a sovereignty decision. Every miner you plug in, no matter how small, contributes hashrate to the most decentralized…
Bitcoin Space Heater vs Electric Heater: The Complete 5-Year Cost Comparison
Yes. Both devices convert 100% of consumed electricity into heat — this is dictated by the first law of thermodynamics.
AxeOS Complete Guide: Bitaxe Firmware Settings Explained
AxeOS is the open-source firmware that powers every Bitaxe device. It is the brain of your solo miner — the software running on the ESP32-S3 microcontroller that controls the ASIC chip…
Best Bitcoin Miners by Budget: 2026 Complete Guide
Bitcoin mining in 2026 is no longer the exclusive domain of warehouse-scale operations. From a $30 educational device sitting on your desk to a multi-thousand-dollar ASIC pushing 200+…
Best Quiet Bitcoin Miners for Home Use 2026
Noise is the number one reason people abandon Bitcoin mining at home. A stock Antminer S19 screams at 75 dB — louder than a vacuum cleaner running nonstop in your living room.
Whatsminer vs Antminer 2026: Complete Brand Comparison
If you are buying a Bitcoin ASIC miner in 2026, your decision almost certainly comes down to two brands: Bitmain’s Antminer series and MicroBT’s Whatsminer series.
Braiins OS+ vs Vnish vs LuxOS: Complete Antminer Firmware Comparison 2026
Choosing the right firmware for your Antminer is one of the highest-impact decisions you can make as a miner. Stock firmware from Bitmain gets the job done, but it leaves serious…
Bitcoin Mining Equipment Checklist: Everything You Need to Start
You have decided to mine Bitcoin. Maybe you want to contribute to network decentralization. Maybe you want to heat your home with a miner.
Bitaxe Buying Guide: Which Model Is Right for You?
The Bitaxe is the world’s first fully open-source Bitcoin ASIC miner — and it has already changed the game. Born from the cypherpunk conviction that Bitcoin mining should not be locked…
Bitaxe vs NerdAxe: Complete Open-Source Solo Miner Comparison Guide
For a complete overview of all Bitaxe models and resources, visit our Bitaxe Hub.
Best Miners for Space Heaters: Complete Selection Guide
Every electric space heater on the market does exactly one thing: it converts electricity into heat. A 1,500W ceramic heater pulls 1,500 watts from your outlet and produces 1,500 watts of heat.
BitChimney Installation & Setup Guide: L3+ Chimney-Style Bitcoin Space Heater
You are heating your home anyway. Every Canadian winter, every Quebec hydro bill, every baseboard heater running at full tilt is electricity converted to heat with zero other output.
ASIC Miner Virus Prevention & Removal: Complete Security Guide
Your ASIC miner is a computer. It runs Linux, connects to the internet, has an SSH server, and often ships with default credentials.
APW9/APW9+ Power Supply Repair & Diagnostics Guide: Complete S17/T17 PSU Manual
The Bitmain APW9 and APW9+ are the power supply units that powered the entire S17/T17 generation of Bitcoin miners — arguably the most temperamental and repair-intensive generation…
Mining Bitcoin with Solar Panels in Canada: Complete Off-Grid & Grid-Tied Guide
Your roof is producing electricity. Your utility is buying it back at a fraction of its value. Meanwhile, somewhere on the Bitcoin network, a miner is converting that same electricity into…
Bitaxe Ultra Setup Guide: Complete BM1366 Solo Miner Configuration
The Bitaxe Ultra is an open-source, standalone Bitcoin solo miner built around the BM1366 ASIC chip — the same silicon that powers Bitmain’s industrial-grade Antminer S19 XP.
SD Card Firmware Flashing & Recovery Guide for ASIC Miners
There is a moment every ASIC miner operator dreads. You power on your machine and nothing responds. No web interface. No hashrate.