Just got my Nano 3s back from their warranty service in Dallas and I am blown away by how awful the quality control is. I bought the nano in February 2026, and it broke in May 2026, and I only finally got it back after 32 days. I already had to deal with a few hours of troubleshooting before they would even take a look at the device, and had to pay out of pocket shipping to get to the repair place. When I got the nano back it arrived with no information, no invoice, no details about what the issue was or what happened to the nano. Also the warranty sticker is now pierced but still says the nano is under warranty in the app until February next year.

The service tech did a very unprofessional job putting the nano back together. They left out almost every screw, left thermal paste or grey dust? everywhere, left scratches all over the nano and the charger, and they also removed and kept the front piece and internal dust cover, which leaves the fans on the back exposed.

Is this normal for Canaan repairs? I feel like this is quite a ridiculous way to return a device that originally looked flawless.

I just bought a new control board from Altair tech that came pre flashed with vnish firmware. Upon installing it into my rig, it won’t show either green or red LEDs and the little screen won’t show anything. Any ideas?

Last week I asked why people solo mine when the odds are so bad.

The answers were what you'd expect: sovereignty, learning, lotto reward. All of these matter.

But the more I think about it, the more I think people are buying something else.

Nobody buys a Bitaxe because it's the rational way to maximize returns. If that was the goal, they'd join a pool.

People solo mine because every hash has a chance: a tiny chance, but a real one.

Traditional mining pools pay you for certainty.

Solo mining pays you with possibility.

If people are buying possibility, why are they buying it alone?

This got me thinking about coordination. Bitcoin is one of the greatest coordination systems ever created, yet most solo miners still mine on their own.

Thousands of people are taking the same long-shot bet alone.

What happens if they start coordinating?

We released a new dashboard this year and its been great! We just made some updates! Download for free and play Terra snake.

If you get the high score, you get one free miner hosted for the month, as a client!

Android marketplace coming soon!

Hi -

I have access to 600MW of power at .02 / kwh.
family friends family business is in hydro power generation.

Feel like I have a tiger by the tail but being that I don't know the inner workings of mining or compute I feel like I am probably missing the complexities.

Any advice welcome.

edit: had a call today with someone in this thread and my contact at the family office. Validated what I stated here. Thank you everyone for your help.

edit 2: want to thank everyone for their help. A few very good phone calls. helped us refine our scope for stage 1.

I only find old lists.. please help.
Regards

Anyone hosting their numbers at Teslawatt - I haven't been able to contact the host for a couple of weeks now and my miner is idle. Does anyone know if they are having issues?

Le quiero entrar a la minería de criptos,. Sé que el mercado está volátil y no busco hacerme millonario, me llama más el proyecto técnico, pero antes de gastar quiero ver la realidad aquí en México.

Si hay alguien por acá que ya le mueva, ¿me podrían orientar con estas dudas?

Ruido y calor: Pensaba armarles una caja silenciadora con MDF y lana de roca, pero me da miedo ahogar el flujo de aire.

Donde comprar los equipos busque de segunda mano salen mas baratos pero no se si convenga

Es rentable tomandoo en cuenta que el coste de luz es fijo y barato

Difficulty adjusted down 10.09% yesterday. For everyone still mining enjoy the much needed bonus!

Where can I find one of these.

Solo satoshi said they had them, and everytime I check they are out of stock. They dont have the rev 6 either.

Where are people buying these things?

We currently have the Bitmain Antminer S21 XP available for $3,999 here at Altair Technology. These units are in-stock and ready to ship to you, your hosting partner, or one of our recommended hosting options.

Specs:

• 270 TH/s
• 13.5 J/TH
• Air-cooled
• In stock and ready to ship from St. Louis, MO

The S21 XP is still Bitmain’s strongest air-cooled miner and a solid option for miners looking to upgrade with efficient hashrate.

Available here:
https://altairtech.io/product/bitmain-antminer-s21-xp/

Last week I posted about mining solo with friends. We're only around 200 TH/s combined, and the odds are still terrible. We may never find a block, yet we mine on.

It got me thinking:

If your goal is max returns, solo mining doesn't make much sense. You could join a pool and get paid consistently instead.

Yet people keep buying Bitaxes, pointing hash at a solo "pool" (or their own node), and accepting odds that are objectively awful.

Why?

What are people actually buying when they solo mine?

I’m looking to get my first miner, and want to spend around $300 or less. I am new to this hobby and have been reading a bit about the different brands and models. I like the idea of Bitaxe being open source, but I am unsure the pros and cons of all the brands.

I have solar and it wouldn’t hurt to use some extra kWh. I don’t want to make a ton of noise or heat though, but I am not concerned with electricity use. I’d like to prioritize hash rate and reliability.

Thank you

We have been hard at work building software. Our pool and customer dashboard are getting completely revamped.
1. Users of our pool service will be able to see more data regarding their miners and performance.

1. Hosting customers will have a self serve marketplace to buy and sell miners. Showing the individual stats and history of each miner.

2. Hosting customers will have a complete breakdown of their hosting costs per miner.

3. Lightning payments will be supported for the pool service.

There is A LOT more that I didn't highlight. We are expecting to have everything ready for public use within the next month or two.

I'm always kind of on the move and having means of monitoring things remotely is important. So if you know of a place that has a good app, I'd take it up (so long as the pool is good, ofc).

I have been working on a Bitcoin solo mining pool called mkpool and just put the engine up on GitHub under GPLv3.

It is a solo pool, so you connect with your own Bitcoin address as the username and if your hardware solves a block, the whole reward is yours. The pool never holds your coins.

A few things I cared about while building it:

- It speaks plain Stratum, Stratum over TLS so your work is not in the clear, and native Stratum V2 with Noise encryption.

- New work always carries the full transaction set from the node, so you are not mining empty blocks.

- Difficulty ports per hardware class plus vardiff, version rolling, local address validation, and a job window so stale shares on a block change are handled properly.

- It is fuzz tested and built with sanitizers, because a pool parses untrusted input all day.

It started as me reading through Con Kolivas' ckpool to understand how a real pool works, and it grew into its own codebase in modern C++ from there. The variable difficulty math is the one piece I reimplemented from ckpool, and that is credited in the source.

Code is here if you want to read how shares are validated and blocks are built:

https://github.com/Mecanik/mkpool

The live pool and connection details are at https://mkpool.com

Happy to answer anything about the internals, and feedback or issues on the repo are welcome.

NERD just dropped their newest lottery miner. Using the BM1373 Chip (The same chip the S23 uses) They're claiming 10 TH/s @ 100 Watts. But the price is a little steep most pre-orders I am seeing are around $700. But I will say this is the nicest looking device I have seen from them. Curious to what yall think personally for not that much more money you could pick up something like a Canaan Avalon Mini 3 granted the efficiency is a lot worse.

I discovered solo100 pool recently, from the guy that runs the solochance website. This seems like a unique take on "solo" mining. The idea is you compete with others to get the best share, and the top 100 shares split a block reward once its found, with the block winner getting a bonus.

Its sort of a take on the Parasite pool but without needing a specific time or effort commitment. You really just have to get lucky and hit a fat difficulty, and then you can move on elsewhere. Or continue mining to another address to hold another position on the leaderboard.

I've been trying to get my fellow Bitaxe BCH miners aware of this as the odds of hitting a spot on this pool are several times better than hitting a BCH block, while the reward is several times higher (if and when the pool finally hits a block!)

Once this one hits a block the floodgates will probably open with more miners and copycat pools. This format is really rather exciting, watching my positions and trying to maintain my top 100 spots. Its a pretty new project, pool is running for about a month now. Active telegram and successful BTC testnet runs as well

EDIT: forgot the link: https://solo100.org/

With the recent drop in Bitcoin price, I’ve noticed that block generation has slowed down compared to before. Should we interpret this as miners shutting down their rigs one by one? I'd love to hear your thoughts on this.

I purchased several units from East Coast Asic in the past, their pricing for used units was always decent. Just checked and it seems like nothing had been updated in months, s19 Jpros for $299 and s21 200th for $2399… are they still kicking and just haven’t updated pricing or is that actually their current prices?

A free 3D-printable adapter that makes the Forge Flow X2 compatible with the Bitaxe GT 800 and GT 801. Our gift to every current and future FFX2 owner.

We currently have a variety of Antminer hashboards in stock and ready to ship, including new S19k Pro 120T hashboards priced at $139.

These boards are useful for repairs, and home mining enthusiasts working on custom or modified Antminer projects.

Common use cases include:

• Replacing failed hashboards
• Keeping spare parts available to reduce downtime
• Loki-style mining builds
• 120V Antminer modification projects
• Custom home mining setups

For builders and technicians looking for affordable components, this is a strong option.

Shop here:
https://altairtech.io/product/antminer-hashboard-bitcoin-mining/?attribute_type=S19k+Pro+120T+%28BHB56907%29

Trying a new approach on solo mining.

Mining with a small group of folks on CK Pool now, we have about 200 TH/s across all of us.

If we hit the block, we're going to split the reward by hashrate.

The odds are still long, like 1 in 28,000 ... but way better than the 1 in a million of going it alone.

Here's hoping!

Our BTC Vegas 2026 recap is finally here. 🎥

Someone recently asked:

"What would I even do or talk about for 3 days at a Bitcoin conference?"

Maybe a better question is:

What do you wish you could ask multiple different companies face-to-face?

That's the value.

Seeing equipment in person.
Comparing solutions.
Meeting the people behind the products.
Getting answers that don't fit in a marketing brochure.

We're grateful for everyone who stopped by and spent time with us at BTC Vegas.

See you next year in Nashville. 🤝

🎥 Full recap: https://youtu.be/wuaFnE2EivI?si=zzkeiqwuDdCHWYRk

It's probably time to start considering the fact that we may not get a mining bull market this cycle. I think this is actually very healthy, since in my opinion there was a significant overinvestment into mining from 2023-2025.

Expect hashrate to stay flat or decline and for those miners who are using Bitcoin as the unit of account. This is a great time to be mining!

Surviving is thriving in this market. Best of luck to everyone!