From the Rabbit Hole to the Mainstream: Why Open Hardware Mining Needs Structure Now

We’ve reached a pretty crazy point.

Not too long ago, a Bitaxe was just this cute little open-source gadget sitting on your desk. An ASIC, a fan, a bit of hashrate, a lot of enthusiasm, and the satisfying feeling that even with a tiny miner, you could do your part to help decentralize the Bitcoin network.

Then came the Ultra. Then the Supra. Then the Gamma. Then a single ASIC suddenly turned into a multi-ASIC miner. NerdQaxe, NerdQaxe+, NerdQaxe++, NerdQX, NerdOCTAXE, Bitaxe GT, and who knows what else is crawling out of some basement, Discord channel, GitHub repository, or European manufacturing facility.

And honestly: It’s fantastic.

But it’s also a problem.

Not because too much is being developed. Not because too many people have ideas. Not because someone builds a new miner, designs a different case, tests a new cooling system, or simply takes an existing approach and says, “Wait a minute, this can surely be made even dumber, faster, or more dangerous.”

That’s exactly the point of open hardware.

The problem is rather this: We’ve now reached the point where the technology is growing faster than the infrastructure around it.

And that could very well be the next major hurdle for open hardware home mining.

Not the hashrate.

Not the next ASIC.

Not the next world record.

But structure.

Unfortunately.

In the beginning, things were simple.

A Bitaxe was just a Bitaxe. You could set it up, plug it in, open AxeOS, and be happy to see the little box quietly hashing away. If you wanted more, you’d bump up the MHz a bit, tinker with the voltage a little, maybe install a better cooler, and then wonder why the little thing suddenly sounded like a vacuum cleaner in a tin can.

But that was manageable.

Today, we’re no longer just talking about 400 or 500 GH/s. We’re talking about 1 TH/s with a single BM1370, over 5 TH/s with four ASICs, over 10 TH/s with four ASICs operating outside any specifications, and 8-ASIC boards that, in standard operation, suddenly deliver figures that would have been completely absurd for home mining not so long ago.

This is no longer just tinkering.

It also involves power supply, thermal management, firmware, safety, connectors, cable gauge, airflow, VREG cooling, fuses, chassis design, production quality, and, in the worst case, fire safety.

And this is exactly where it gets interesting.

Because the community has proven that it can solve technical problems. Very quickly, in fact. Sometimes almost too quickly. As soon as a miner gets too hot, a new shroud pops up somewhere. When a connector reaches its limits, people start thinking about XT60. When a standard cooler isn’t enough, copper is installed. When a power supply fails, a Mean Well suddenly appears on the table. When the firmware sets limits, someone doesn’t ask “Why?” but “Where is the constant?”

That’s nice.

That’s dangerous.

And that’s exactly the culture that makes open hardware so exciting.

If you look at recent developments, a clear pattern emerges.

Many projects don’t come about because someone was desperate to build “yet another product.” They come about because someone had a real problem.

The Bitaxe Gamma delivered tremendous performance, but it also revealed that standard cooling solutions are often more marketing than a real solution. The NerdQaxe++ demonstrated just how much power is possible in a small multi-ASIC setup, but also that PSUs, VREGs, and airflow can no longer be treated as an afterthought. The extreme 10 TH/s test then made it very clear: At some point, the ASIC is no longer the problem - it’s everything around it.

The NerdQX addresses exactly that and takes a much more systematic approach to power supply, fuses, XT60 connectors, and VREG cooling. The Ocho goes one step further and demonstrates that 8 ASICs in a home mining setup are no longer a myth, even if the name “mythical beast” remains absolutely well-deserved.

The problem: These insights are scattered across numerous articles, tests, GitHub repositories, product pages, Discord messages, social media posts, retailer descriptions, and personal experiences.

Newcomers often see only the result:

“This miner does 5 TH/s.”

“This miner does 10 TH/s.”

“This cooler is better.”

“You need this power supply.”

“This fuse is still okay.”

“Please don’t use this firmware, or your place might burn down.”

For experienced folks, that’s just a normal Tuesday.

For new users, it’s a jungle.

And not the good kind of jungle with Bitcoin, coffee, and quietly whirring Noctua fans. More like the jungle where a cheap DC round plug is glowing somewhere and someone in the chat writes: “But it’s been running stable for me for two weeks.”

I don’t mean that in a negative way. Quite the opposite. It’s actually a sign that the community is working.

But it’s important to understand why so many similar or competing solutions tend to emerge quickly in the open-hardware space.

This sounds trivial, but it’s probably one of the most common reasons.

A developer, maker, or retailer faces a problem: The miner is getting too hot. The VREGs need airflow. The case doesn’t fit. The fan is too loud. The power supply is too weak. So a solution is built.

Not because they want to ignore existing work, but because they might not even know it exists.

Open hardware is great, but information is often scattered. GitHub isn’t a product catalog. Discord isn’t a manual. X isn’t an archive. And a Telegram chat with 14,000 messages isn’t technical documentation, even if the solution is actually hidden somewhere between memes and broken fans.

This is the classic scenario.

A shroud fits cooler A, but not cooler B.

A case is great for a desk, but not for wall mounting.

A setup is perfect for standard operation, but not for overclocking.

A cooler works with a 120mm fan, but not in a closed setup.

A power supply is enough for 600 MHz, but not if someone decides at 2 a.m. that 800 MHz would be emotionally better.

So adjustments are made. And an adjustment quickly turns into a new project.

That’s not bad. But without clear categorization, no one will be able to tell later which solution was intended for which purpose.

That’s dangerous.

An extreme overclocking test is not a general recommendation. If a NerdQaxe++ is pushed to 10 TH/s, that’s an experiment, a feasibility study, maybe even a small world record with a touch of madness.

But it’s not “This is how everyone should run their miner.”

Here, the community needs a clearer distinction between:

• stable standard operation
• recommended optimization
• controlled overclocking
• Danger Zone
• please do not try this at home unless you really know what you’re doing

Because these differences matter. Not on principle. But because electricity, heat, and bad connections don’t care about opinions. They just do their thing.

A developer wants to show what’s technically possible.

A maker wants to build an elegant solution.

A retailer wants to offer something that can be manufactured, shipped, and supported consistently.

An overclocker wants to know where the limit lies.

A regular user wants the thing to run stably and not sound like a hair dryer with emotional trauma.

All of these perspectives are legitimate. But they lead to different decisions.

A retailer has to be more conservative. A developer can be more experimental. An overclocker is somewhere between science and supervised tinkering anyway.

If these perspectives aren’t clearly separated, misunderstandings arise. Then a test becomes a product promise, an idea becomes a supposed standard, and a DIY solution suddenly becomes a supposed benchmark.

So maybe the next big innovation in home mining isn’t a new miner.

Maybe it’s a clear classification system.

Sounds boring, I know.

But that’s usually how it starts before something really takes off.

We don’t need fewer projects. We need better guidance.

For example, open-hardware mining projects could be categorized much more clearly.

First, it should always be clear what we’re actually talking about.

A single-ASIC miner is not the same as a 4-ASIC miner. An 8-ASIC board is not a “bigger Bitaxe,” but a different performance class with completely different requirements. A Gamma is not a NerdQaxe++. A NerdQX is not an Ocho. And an Ocho isn’t simply two NerdQaxe++ units, even if the idea is naturally appealing.

A sensible classification would be:

• Single ASIC: Bitaxe Max, Ultra, Supra, Gamma, Bitaxe GT
• Small multi-ASIC: NerdQaxe, NerdQaxe+, NerdQaxe++
• Advanced multi-ASIC: NerdQX
• Extreme multi-ASIC: NerdOCTAXE / Ocho
• Special or record-breaking setups: anything operated outside normal specifications

That sounds simple, but it would help enormously.

Because then everyone would immediately understand whether they’re talking about an entry-level device, an efficient home mining setup, or a small power plant with GitHub charm.

Standard operation

This is the state in which a device is sensibly delivered by the manufacturer, retailer, or developer. It should run stably, be secure, and require no special adjustments.

Here, the PSU, fuse, plug, cooling, and firmware must all work together seamlessly.

If a device does not run stably in this state, that is not a feature. It is a problem.

Optimized Operation

This is where the classic Pleb fun begins.

Better coolers, better fans, cleaner airflow, VREG heatsinks, a better power supply, perhaps a slight adjustment to clock speed and voltage.

The goal isn’t madness, but efficiency, stability, quiet operation, and better temperatures.

This is likely the area where most users will find long-term satisfaction.

Overclocking

Now things get serious.

Higher clock speeds, higher voltage, more power, more heat. Here, you have to know what you’re doing. Don’t just click around in the dashboard and hope that the little ASIC somehow understands your life choice.

Overclocking requires measurements, patience, control, and realistic expectations.

And yes: the Silicon Lottery is real. Just because one device can do something doesn’t mean every device can.

Danger Zone

This is the realm where you realize even as you’re writing that you need a disclaimer.

Different fuses, modified firmware, significantly more powerful power supplies, high currents, adjusted limits, extreme cooling.

This can be exciting. It can provide valuable data. It can show what hardware is truly capable of.

But it should never be taken as a standard recommendation.

This is where “Plug and Play” ends and “Please double-check that your cable isn’t just an old USB charging cable” begins.

If the last few years have shown us one thing, it’s this:

Cooling is not optional.

And even more importantly: It’s not just about the ASIC.

In modern BM1370 setups, VREGs are a central concern. Anyone who only looks at the ASIC temperature is just looking at the pretty number on the dashboard. The real action often takes place on the back of the board, where - without a thermal camera or good sensors - it’s easy to get overly optimistic.

Good documentation should therefore always distinguish between:

• ASIC cooling
• VREG cooling
• PCB heat distribution
• Airflow
• Fan noise
• Long-term testing instead of a 5-minute screenshot

Because a miner that looks good after three minutes hasn’t proven anything yet. A miner that remains stable after six hours is starting to get interesting.

This is probably the area that is most underestimated.

Many people look first at hashrate. Then at price. Then at noise level. Then perhaps at efficiency.

But power supply?

Often only when something gets hot, smells, or stops working.

Yet that is precisely the foundation.

A modern multi-ASIC miner doesn’t just need “a power supply.” It needs a properly sized power supply, clean voltage, sufficient cable gauge, a suitable plug, a sensible fuse, and ideally some reserve capacity.

The shift from classic DC round plugs to more robust solutions like XT60 is therefore not just a minor detail. It’s a sign that home mining is maturing.

Not necessarily sensible.

But more mature.

This is probably the biggest area needing work.

The community produces an incredible amount of valuable data. But it’s often hard to find, hard to compare, and sometimes not documented clearly enough.

A good test should at least answer:

• Which hardware revision was tested?
• Which firmware version?
• Which PSU?
• What voltage at the power supply?
• What voltage under load?
• Which cables?
• Which fuse?
• Which coolers?
• Which fans?
• What room temperature?
• How long did the test run?
• Was it measured on the smart meter or just in the UI?
• Were the fans controlled manually or automatically?
• What temperatures were actually observed?

That sounds like a lot of work.

It is.

But without this information, values are hardly comparable. Then “my miner manages 6.5 TH/s” becomes a nice anecdote, but not reliable information.

And if there’s one thing we don’t need, it’s marketing fluff with pretty numbers and no context.

Made by plebs, for plebs also means: real data, real measurements, real transparency.

Another point is important.

Not every solution is meant for everyone.

An extreme test can be inspiring. A world record can show what’s possible. A radical build can spark new ideas. But that doesn’t automatically mean it should be a recommendation.

Perhaps we need clearer labels in the community:

“Daily Stable”

For setups that run reliably, safely, and efficiently.

“Pleb Optimized”

For practical improvements that many users can replicate.

“OC Ready”

For hardware that intentionally includes headroom for controlled overclocking.

“Danger Zone”

For anything that falls outside normal specifications.

“Lab Monster”

For things that are beautiful, absurd, and impressive, but please shouldn’t be running on the shelf next to the curtains.

That way, everyone could immediately tell whether they’re reading a recommendation suitable for everyday use or a report from the engine room of madness.

Open hardware thrives on freedom.

But freedom without direction eventually becomes exhausting.

If ten people build ten good solutions, but no one knows which solution is intended for which use case, the result isn’t innovation - it’s confusion.

And confusion is bad for new users.

But new users are important. Because home mining isn’t just a hobby for people with thermal imaging cameras, Mean Well power supplies, and a slightly unhealthy obsession with fan noise.

Home mining is a gateway to Bitcoin infrastructure.

It’s a way to support the network not just theoretically, but physically. With real hardware. With real electricity. With real hashrate. With real mistakes, real improvements, and sometimes even real blisters from touching the wrong heat sink.

If we want more people to take this path, we need to make it more understandable.

Not simpler in the sense of “everything is plug-and-play and physics has been abolished.”

But more understandable in the sense of:

“This is your device. This is its class. This is safe operation. This is sensible optimization. This is overclocking. And that thing back there, with the 15A fuse and the modified firmware, is Andreas - we’ll let him do it for a bit, but please don’t try this at home.”

Retailers and manufacturers also play a major role here.

It’s no longer enough to simply list the hashrate and price on a product page.

For modern open-source mining hardware, the technical specifications should be clearly communicated:

• Recommended PSU
• Maximum continuous load
• Connector type
• fuse
• recommended cooling
• noise level
• potential overclocking headroom
• clear warranty limits
• recommended cables
• notes on VREG cooling
• actual measured values under realistic conditions

This isn’t an unnecessary effort. It’s about trust.

And trust is extremely valuable in a small community.

Anyone who transparently states, “The device runs stably in standard mode, but for overclocking you need a better power supply and better cooling,” doesn’t come across as weaker. On the contrary. They come across as more reputable.

Because anyone who has ever run a miner openly on their desk knows: Physics doesn’t read product descriptions.

Developers can help, too.

Not by building less. Please, no. Keep building. Build weird things. Build beautiful things. Build things that make you say “Why?” at first, and “Okay, I need this” five minutes later.

But document better.

A GitHub repository shouldn’t just contain files - it should also provide context.

Which Miner revision is this intended for?

Which coolers fit?

Which screws?

Which fans?

What are the limits?

Which operating mode?

Is this a prototype, a finished design, or a “works for me, good luck” release?

Open hardware doesn’t get worse when you add limitations. It gets better.

And then, of course, there’s all of us.

The rank and file.

The testers.

The people who quickly do “just a little modification” late at night and end up sitting there three hours later with an open miner, two fans, a lab power supply, and a slightly worried look on their faces.

We should make a clearer distinction between enthusiasm and recommendations.

If something works for us, that’s valuable. But it’s not yet a standard.

If a setup looks stable, that’s good. But without long-term testing, it’s just a start.

If a miner delivers a high hashrate, that’s nice. But without considering efficiency, temperature, PSU, and safety, it’s only half the story.

And if something is dangerous, we should say so.

Not out of fear.

But out of respect for the hardware, for the community, and for the people who might be new to this and don’t yet know that a small miner with the wrong setup can very quickly go from being a “cute open-source device” to “why does it smell like something’s burning in here?”

Maybe all this sounds a bit dry.

Categories. Documentation. Standards. Recommendations. Labels.

Not exactly as sexy as a new world record or an 8-ASIC monster in an aluminum case.

But that’s exactly the point.

Open hardware home mining has proven that it can be fast, creative, and technically impressive.

Now it has to prove that it can also be scalable, understandable, and secure.

Not in the boring enterprise sense.

But in the pleb sense:

As open as possible.

As wild as allowed.

As secure as necessary.

And as transparent that everyone understands why a setup works - or why it should only exist as a photo in an article.

And this is exactly where I might have to get a little more uncomfortable.

I’ve been in this bubble for almost three years now. Three years full of quick tests, hasty screenshots, wild Twitter posts, Discord statements, Telegram half-truths, “it runs stable for me” claims, and product descriptions that sometimes sound more like wishful thinking than reproducible measurements. Over time, I’ve basically built my own little compendium out of all these fragments. Not because I was bored. But because it was necessary.

Many of my articles on PlebBase came about precisely from this. Not as marketing fluff, not as prettily packaged product advertising, but as an attempt to create real points of reference. The Gamma article wasn’t just “new Bitaxe is fast, buy it now,” but a close look at cooling, behavior, and limitations. With the NerdQaxe++, it wasn’t just about the fact that the box delivers an absurdly high hashrate, but about how the whole thing behaves under real-world conditions. The 10-TH/s test wasn’t a call to blindly replicate it, but a documented look into the limits. And the NerdQX and Ocho reports aim to do exactly the same thing: not just to celebrate hardware, but to take it apart in a way that allows others to learn from it, compare, improve, and perhaps even pause for a moment before simply settling on the next plug, fuse, or power supply as “somehow suitable.”

This is perhaps the point where retailers and manufacturers could use a little gentle but clear nudge.

It’s not enough to sell a board, post three pretty pictures, announce a maximum hashrate to the world, and then let the community figure out the rest. Anyone serious about open hardware must deliver more than Gerber files and a bit of GitHub window dressing. That includes measurement data. Limits. Recommendations. Warnings. Variants. Revision notes. PSU specifications. Cooling. Fuses. Connectors. Firmware versions. Realistic expectations. And yes, even the honest statement: “This is an experiment, not a daily setup.”
Everyone is always quick to shout that closed source is evil. And yes, closed source has obvious problems: lack of transparency, dependency, black boxes, vendor lock-in, and that lovely feeling that somewhere a manufacturer knows exactly what your device is doing, but you don’t.

But open source isn’t automatically good just because a repository exists somewhere.

Open source can also be chaotic. Poorly documented. Incomprehensible. Half-finished. Without context. Without releases. Without comparability. Without clear boundaries between prototype, reference design, and “works for me, good luck.” And if we’re honest, that’s unfortunately far too often the case in our bubble.

So maybe we should stop shouting “open good, closed bad” like religious fanatics and instead take a sober look at what closed-source projects often do better: clear product boundaries, consistent documentation, defined versions, support structures, understandable user guidance, and reproducible expectations. Not to copy closed source. But to do it better.

Because that’s really the goal, isn’t it?

If open source and open hardware truly want to be the better alternative, then they must not only be more open. They must also be more understandable, more transparent, and more robust. Otherwise, it’s just an open box full of parts, where everyone pretends that’s revolution enough.

That’s exactly why I’ve put so much effort into the NerdQX. Not because I wanted to throw yet another board into the world, but because I wanted to work with other enthusiasts to set up a project more thoroughly. The repository shouldn’t just be a place to store files, but a reference. A place where you can understand why certain decisions were made. Why XT60 makes sense. Why VREG cooling isn’t optional. Why the PSU, fuse, and layout must be considered together. Why a miner isn’t just made up of ASICs, but of an entire system.

The same applies to Nerd*OS, the firmware for all nerds. There, too, it wasn’t and isn’t just about a new logo, a few UI tweaks, or some cosmetic gimmick. It’s about structuring the firmware better for the long term, making it more understandable, and ensuring it works more cleanly with various nerd hardware. As the hardware evolves, the software must evolve with it. As multiple device classes emerge, the firmware also needs better organization, better defaults, and clearer boundaries.

I keep trying to provide such impetus. In articles. In reviews. In repositories. In conversations. In messages that are sometimes too long, which probably contain more technical details than any normal person would voluntarily want to read.

But unfortunately, it is precisely this kind of impetus that is rarely truly taken to heart. Especially not by the parties that would benefit most from it: retailers and manufacturers.

This isn’t about trying to trip anyone up. It’s about the fact that this bubble is currently growing. And as it grows, the old way of doing things is no longer enough. You can no longer simply expect some random person to figure out which power supply fits, which plug gets hot, which firmware is safe, which cooling actually works, and which test was really just a controlled descent into madness.

If open-source home mining wants to grow up, it has to stop treating documentation like a chore.

Documentation isn’t an afterthought. Documentation is infrastructure.

The next major hurdle for open-source home mining isn’t squeezing even more hashrate out of even smaller boards.

We’ll do that anyway.

Of course we’ll do that.

Someone will always find a bigger cooler, install a more powerful fan, push a limit in the firmware, or drive a miner so far that even the ASIC briefly reflects on its life choices.

The real hurdle is organizing this growth.

We need better classification, better documentation, better comparability, and clearer boundaries between everyday use, optimization, overclocking, and madness.

Because that is exactly what determines whether open-source home mining remains a delightful chaos for a few crazy people - or whether it becomes a robust, understandable, and truly decentralized movement.

And if we’re honest: the chaos can stay.

It just needs to be labeled a little better.