Làm nóng một ngôi nhà với một công cụ khai thác Bitcoin: Giữ ấm với sats

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Bitcoin (BTC) miners emit a lot of heat. 

Some miners use that heat to warm swimming pools, dehydrate meat to make beef jerky or even dry out timber at a Swedish hydropower Bitcoin farm. In Ireland, the “Bitcoin Farmer” joked that he hangs out laundry to dry in front of his Bitcoin miner.

Sức nóng của thợ mỏ không phải là mới đối với ngành công nghiệp Bitcoin. Trong những ngày đầu của Bitcoin, những người đam mê sẽ khai thác tiền điện tử bằng máy tính hàng ngày của họ, dẫn đến quá nóng và những câu chuyện về môi trường ấm áp khó chịu

Khai thác Bitcoin đã thay đổi kể từ những ngày đầu. Với khó khăn gia tăng rõ rệt trong việc giải quyết các tính toán băm trên blockchain Bitcoin, các thợ đào đã bỏ các đơn vị xử lý đồ họa phổ biến cho các mạch tích hợp ứng dụng cụ thể mạnh mẽ hơn, hoặc ASICS. Tuy nhiên, sưởi ấm và làm mát vẫn là một vấn đề.

Để đề cao tương lai của việc thu giữ nhiệt thải, Satoshi Nakamoto đã chia sẻ một thông điệp thể hiện sự tiên đoán:

“Nhiệt từ máy tính của bạn không bị lãng phí nếu bạn cần sưởi ấm ngôi nhà của bạn.”

Vậy tại sao không tận dụng sức nóng đó và sử dụng nó cho các nguồn lực sản xuất? Đó chính xác là những gì tôi muốn thử nghiệm tại nhà của tôi gần Lisbon, Bồ Đào Nha, vào mùa đông này.

Các giải pháp tự làm sử dụng máy đào Bitcoin “thải” nhiệt trong nhà ngày càng phổ biến. Tuy nhiên, nó có thể khó khăn. Hashtag #mine4heat trên Twitter tự hào về những người có sở thích Bitcoin, những người có thể điều chỉnh lại và cách âm các công cụ khai thác Bitcoin – mà không cần tự điện

One savvy miner heats their mobile home, an airstream, while others have found ingenious ways to mine Bitcoin and keep their homes toasty:

Tuy nhiên, đối với “Joe trung bình”, giống như tôi, điều đó có vẻ khó khăn. Tôi là một người đam mê Bitcoin còi cọc về công nghệ, người đã mất nhiều năm để chạy một nút. Vì vậy, trong khi ý tưởng này hấp dẫn, tôi sợ rằng tôi có thể đốt cháy ngôi nhà

Có một số công ty khai thác Bitcoin và máy sưởi, như Heatbit và BiTheater, nhận thức được khả năng kiếm tiền của các thợ đào Bitcoin trong khi sưởi ấm không gian, nhưng cũng có thể có nhu cầu bị dồn nén về giải pháp plug-and-play.

Người sáng lập Heatbit Alex Busarov nói với Cointelegraph rằng mặc dù tính dễ sử dụng rất hấp dẫn, nhưng trường hợp sử dụng môi trường đối với sức nóng của thợ mỏ Bitcoin đã thúc đẩy sứ mệnh: “Chúng tôi muốn làm cho việc khai thác thực sự xanh”, ông nói.

Busarov said, “The claims that ‘xx%’ of energy used for mining comes from renewable energy’ are misleading. While the number might sound impressive, it ignores the fact that this renewable energy would have been added to the grid if not used for industrial mining.”

“Bitcoin mining is only genuinely green when combined with heating; this way, no extra energy is consumed by mining.”

Busarov đã đề cập đến các số liệu thống kê và tuyên bố được công bố bởi những người ủng hộ khai thác Bitcoin, bao gồm cả việc Bitcoin là ngành công nghiệp xanh nhất và khai thác Bitcoin khuyến khích xây dựng năng lượng tái tạo. Tuy nhiên, các thợ đào Bitcoin mất rất nhiều nhiệt ngay cả khi sử dụng nhiệt thải cho mục đích sản xuất

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Personally, I was more focused on the power draw of the Heatbit Bitcoin miners. If it consumes less electricity than my standard electric heaters, it would be a no-brainer for use over the winter — so I got my hands on one and put it to the test.

The result: for four months, I heated my small flat in Portugal with a Heatbit.

Set up

The package arrived in mid-November during an unseasonably hot spell. I lugged it upstairs, unboxed it and scanned the instructions. It seemed too good to be true. The instructions are idiot-proof.

Heatbit box. Cointelegraph slippers for scale.

I connected the Heatbit to power, downloaded the Heatbit app, and it quickly found the Heatbit device and synchronized. I selected the hot setting and soon felt a warm stream of air coming from the vent at the top. I pushed my ear to it and was surprised at how quiet it was.

Bitcoin miners are very, very loud when turned up full blast. Some residents of a Norweigan town have even made noise complaints about a nearby industrial-scale Bitcoin mine, but my fridge is much louder than the Heatbit.

I waited until I had mined one satoshi — less than a penny — which took about 15 minutes. By that point, the balcony enclosure of my flat was uncomfortably warm, so I turned it off.

Over the next few months, I turned the heater on and off, moving it around the flat on its two rear wheels.

Can you make money with it?

Technically yes — but not really. I raked in 30,000 satoshis during winter, which is just over $10.

The miner was whirring away for a couple of hours most evenings and in the mornings I was at home. Sadly, I wasn’t in Portugal a great deal, with trips to Senegal, Poland and Cape Verde during the winter. Had I been home, I would have netted another roughly 50,000 sats of “heat.”

Using the Heatbit during winter.

Moreover, my electricity bill was marginally lower than the previous winter, which is a minor success in light of double-digit inflation in Portugal. 

However, that misses the point. The Hearbit is a heater first and a Bitcoin miner second. The heat is smoother than my regular heater and requires zero maintenance (so far). Plus, as Busarov points out:

“We want to decentralize mining. It’s unlikely that Satoshi envisioned mining to be centralized in large farms. The ideal approach is ‘everyone contributing a bit.’”

The Heatbit contributes to the Nicehash mining pool. Some critics claim that mining pools lead to mining centralization — something the Bitcoin community is attempting to overcome with upcoming Stratum V2 upgrades to the mining algorithm. Nonetheless, there have been other unexpected consequences to running a Bitcoin miner. 

Living with a Bitcoin miner

In Portugal, central heating is rare. Most homes I’ve stayed in use oil heaters or electric heaters. The Heatbit quickly replaced my electric heater, which was more expensive due to its higher power draw. The miner is also quieter, and the heat emitted is consistent and less punchy. However, it’s also 10 times the price of my electric heater.

Interestingly, the Heatbit’s size and stature raise eyebrows and questions like, “What’s that?” among friends visiting my flat. Guests were surprised to learn that the white box was mining Bitcoin, as invariably, they thought that Bitcoin mining took place in giant data centers. I showed them how much I’d earned on my phone, and, in a way, the heater is an orange pilling aid.

As Busarov explains, the point of the Heatbit “is to expand the Bitcoin community.” “There are far more people using electric heaters than miners,” he said. Tools like easy-to-use at-home Bitcoin heater miners are another step toward greater adoption.

The downsides are the price tag and the size. The unit is large, heavy and costs over $1,000 brand-new. Given that in Portugal, I use a heater for four to five months a year, the Heatbit becomes a large paperweight from April to October.

Ultimately, it would take a few years to pay off at current price levels in a warm country like Portugal. Naturally, if the Bitcoin price were in the six figures, it would be a different story. 

Moreover, on Reddit and YouTube reviews, some users have reported problems with use and concerns about customer service.

Plus, the mainstream and plug-and-play nature of the Heatbit is contrary to the ethos of the DIY Bitcoin miners, who see the company as making a profit on something a person could do themselves. And fundamentally, Bitcoin was first propagated by hobbyists, so it’s understandable.

Developers working on works on the Heatbit One prototype. Source: Heatbit

To Heatbit’s credit, it listened. The company is introducing a smaller heater, the “Heatbit Mini,” from $299, in time for the next European winter. Busarov explains:

“We also added air purifying functionality, making the device usable all year round. And, as the name suggests, the [Heatbit] Mini is smaller in size — less than 50 cm tall — making it convenient to place in any room.”

The Heatbit Mini consumes 300 watts for mining and air purification, boostable to 1,300 watts of heat in the wintertime. The 300-watt setting still contributes the full 10 terrahashes per second, while the original Heatbit hash rate drops off as it dials down. 

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That should mean you can run it all year round as an air purifier and a heater. Naturally, I’ve signed up for one.

This article is for general information purposes and is not intended to be and should not be taken as legal or investment advice. The views, thoughts, and opinions expressed here are the author’s alone and do not necessarily reflect or represent the views and opinions of Cointelegraph.

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