The biggest enemy of home cryptocurrency mining is heat. It's way too hot!

Hello everyone, is your cryptocurrency mining progressing smoothly?

This is Shikaji, from FX攻略.com editorial team.

Cryptocurrency mining is the activity of using a computer's computational power to participate in the verification and approval of data necessary for cryptocurrency settlements and transfers, and receiving cryptocurrency as a reward.

Some coins, like Bitcoin and Bitcoin Cash, can only be mined with dedicated expensive equipment, but coins like Ethereum and Monacoin can be mined by combining off-the-shelf computer parts.

The interesting part of mining is that you can create cryptocurrency from scratch without using investment funds. This is what sets it apart from investments like FX and stocks, which aim to grow money from invested capital.

In reality, it uses enormous amounts of electricity, so you cannot have zero initial capital, but somehow it feels very romantic.

Therefore, I absolutely love this mining process, and since last October I have been building a mining rig in a corner of my home (a mining PC is commonly called a mining rig), gradually adding parts and mining day and night.

There are eight heat sources at 70°C in the room

Suddenly, do you know what the biggest enemy of mining is?

The rate of cryptocurrency overall greatly affects profits and losses, and high electricity costs in Japan are also a serious challenge. Parts are expensive, so it costs money.

But the biggest enemy is heat. It is extremely hot!

Summer mining is nothing less than a war against heat.

Home mining typically uses GPUs. A GPU is an independent computing circuit for rendering graphics on a computer, and it pairs well with solving the cryptographic puzzles of cryptocurrency (mining).

Because you can gain computational power with as many GPUs as you can connect to a single computer, the key to increasing mining profitability is to maximize the number of GPUs.

…However, these GPUs emit a lot of heat. To prevent overheating, we limit the maximum temperature with dedicated software, but it still reaches around 60–70°C.

Right now, my home mining rig has eight GPUs running. With eight heat sources at around 70°C operating 24/7, midsummer mining is basically hell. It’s in my own house, and honestly I don’t even want to go near it. When I checked the room temperature on a weekend afternoon, it was 40°C.

By the way, because I added more GPUs, we will have an 11-device setup within this week.

Only by deflating heat at zero distance

To counter this heat, the primitive but effective method is cooling with air.

We perform zero-distance air flow 24 hours a day. Also, this aged overhead fan broke right after filming, so it’s a bit newer now.

However, the opposite-side GPU isn’t cooling well, so I am considering purchasing a second fan.

Moreover, this cooling approach is very handy in winter, turning into a heater. In the coldest months, you don’t need heating.

Current mining profits and losses

Current mining results. As of July 17, even with the rate, it’s far from recouping the equipment costs, showing about a 450,000 yen loss, but that’s nothing to worry about.

Indeed, with current cryptocurrency rates, after electricity costs, daily profits are only about 100–200 yen, but there’s nothing to fear. This is because the cryptocurrency earned from mining is not cashed out each time; it is kept for the long term.

If cryptocurrency as a whole rises in the future, the value of all previously mined coins will go up, turning the situation to a positive cash flow soon. Probably.

Bringing you a mining report from a scorching room.

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〜 Home Mining of Cryptocurrencies 〜

It is about digging a treasure trove at home; it is a man's romance

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The most cryptocurrency-obsessed man at FX攻略.com editorial department, Takeshi Shikauchi,

fully reveals how to build a mining rig from scratch!!

Anyone can start home mining just by following this!

・Home Asset Management! A complete guide to building a cryptocurrency mining PC

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Takeshi Shikauchi (Shika-uchi Musashi) Profile

CEO of TCL Co., Ltd. He has been with the FX攻略.com editorial team since the company’s founding in 2008, involved in the operation of both the magazine and the official site. In addition to interviews and writing articles, he also actively trades FX. Favorite technical is Heikin Ashi; favorite method is breakout.

Official site：TCL Co., Ltd.