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Green Bitcoin Mining

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Mining digital money is often blamed for harming nature. In this article, we look at the features of environmentally-friendly mining, find out where greener methods are already used and what their prospects are.

Shift to ecological mining

Bitcoin (BTC) mining has been all over the news lately, and not in a good light for the most part. This essential process of obtaining new bitcoins has stirred public interest. This is quite understandable, considering the incredible amounts of energy it requires. Some studies find that bitcoin mining consumes as much electricity annually as Argentina!

Some institutional investors like Tesla backed down on their decision to start accepting bitcoin as a method of payment. It seems that investors are valuing the environment more than their bank balance. They are willing to take a step back until crypto mining becomes more eco-friendly.

Things are, however, starting to change. Increased interest in providing green bitcoin mining has been rising worldwide. Countries are scrambling to develop alternatives and provide a more sustainable method of supplying energy for green mining.

How does bitcoin mining work?

Bitcoin’s mining mechanism is considered to be the network’s foundation. It provides three essential functions.

- Creating new bitcoins 

- Confirming transactions on the network.    

- Securing the Bitcoin blockchain from malicious attacks.

In a nutshell, bitcoin miners use powerful computers (mining rigs) to compete at solving increasingly complex mathematical puzzles. They reach a consensus, discover new transaction blocks and add them to the blockchain.

To function, mining rigs require enormous amounts of electricity. This is the trade-off for acquiring new bitcoins as a reward. However, the amount of power used is alarming the public.

To put it in numbers, around 1,800 KWh are needed for a single transaction on the Bitcoin blockchain. This costs around $200. Mining one BTC costs between $5,000 and $10,000, depending on the region and the price of electricity. For example, the monthly electricity bill of one of the largest mining operations in Dalian, China, amounted to $1,170,000.

And because the popularity of bitcoin and other cryptocurrencies is increasing, these numbers are expected to go up. As more miners join the competition, the algorithm increases in difficulty and more electricity is needed.

Ecological mining methods

That said, mining companies all around the world are seriously considering eco-friendly alternatives. The answer lies in sustainable energy sources, including:

Wind. Wind power is becoming commonplace around the world. Turbines convert wind power into clean electricity.

Geothermal. Countries with high volcanic activity can turn to geothermal energy production. This involves harnessing the heat under the surface of the earth to produce renewable sources of power.

Solar. Sunlight is the most abundant energy source on the planet. Countries with high numbers of sunny days prefer to adopt solar panel farms for their energy production. This method can be used by households because it’s cheap and easy to maintain.

Hydro. Finally, harnessing the power of running water is a popular method of producing green electricity. Hydro plants are even more reliable than wind or solar energy sources, especially if they’re using tidal changes.

World experience

There are already some real-world examples that follow this environmentally-friendly mining trend. Below are some countries where sustainable energy is actively being used to decrease the carbon footprint of bitcoin mining.

Iceland

Iceland was one of the first European countries to adopt cryptocurrency mining on a large scale. Landsvirkjun, the Icelandic governmental power agency, focuses entirely on geothermal and hydroelectric power generation.

Because of its geographical position, sustainable mining is cheap and effective in Iceland. As a result, Iceland is one of the most prolific eco-friendly mining countries in the world, with almost 8% of bitcoin being mined there.

Canada

Canada is another bitcoin mining hub where sustainable energy is increasingly adopted. Multiple carbon-neutral mining companies are emerging in the country, and most mining facilities usually adopt a 100% renewable approach.

This is the case of Bitfarms, a company that mines approximately 1.5% of all the bitcoin in the world and uses 99% of renewables to effectively achieve this. More recently, Canada Computational Unlimited Corp, a green crypto mining firm, was recently listed publicly on the TS exchange in Toronto. This shows institutional interest in such mining facilities.

Japan

Japan has been encouraging green bitcoin mining for almost half a decade now. To incentivise mining facilities, some Japanese prefectures offer rebates on electricity bills if farms agree to use renewable energy sources.

This is the case of the city of Kazuno. Miners there were invited as early as 2017 to share the town’s geothermal and hydropower grids.

China

Even after the recent mining crackdown, China still remains the world’s leading bitcoin mining country. It holds more than 40% of the entire global production. And with just below half of mining operations still using coal plants to power their functions, there’s cause for concern.

However, the China Sustainable Energy Program (CSEP) is actively working at providing an efficient power grid. This should allow miners to connect to renewable power sources in the future and access cheap and efficient power supply.

Perspectives

Bitcoin is a worldwide phenomenon. And while power consumption for its mining cannot be avoided, it can have some positive shifts in the long-term.

As China continues to crack down on its mining facilities, we can expect bitcoin miners to migrate to other countries where renewable energy is more prevalent. This can have a positive outcome on these smaller countries’ economies. It could also motivate governments to invest in sustainable power grids, which has been the case in El Salvador.

Moreover, the increased demand for cryptocurrencies can drive economies all around the world to move towards adopting mining as a lucrative activity. The end result could well be a globalized transition towards environmentally-friendly power production.

Conclusion

Cryptocurrency mining has a major impact on the environment and a considerable carbon footprint. However, efforts are being made all around the world to transform this industry and make it more sustainable.

With the demand for bitcoin continuously rising, governments are adopting policies that will benefit humanity in the long-term. Bitcoin mining might be one of the factors that actively contribute to this transformation. 





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