Crypto mining power consumption

Crypto mining power consumption Die Erkenntnis, dass der Handel mit 6 Nov 2017 These are stock hash rates and stock power consumption. There are many tweaks that can be done such as overclocking, lower the voltage, using different firmware and beta drivers. Every card is different so you'll have to find the sweet spot. And if you are looking to mine other Cryptocurrencies, you can  bitcoin cloud mining template13 Jun 2017 There are two major camps which object to Bitcoin mining due to its electrical cost: 1) The Eco-conscious. The eco-conscious seek to generally diminish global power consumption. Given that electricity is, at present, primarily generated through unsustainable methods, eco-activists hold that all energy  Yes it will. The component you're likely to use for mining is your video card (GPU) which consumes very little power when idle but can consume a great deal under load. Check this list of common cards and consult the Watts (W) column for how many watts your card is likely to draw. Any card worth mining on 

A Key Power Source for Bitcoin Mining - Coal -

4 Jan 2018 China plans to limit power use by some bitcoin miners, people familiar with the matter said, a potential challenge to an industry whose energy-intensive computer networks enable transactions in the cryptocurrency. The People's Bank of China outlined the plan Wednesday at a closed-door meeting,  15 Aug 2017 Ethereum's mining difficulty is on the rise, & the crypto-currency's value is on the decline. Is it too late to get into crypto mining just to make a few bucks? Building A Crypto-Mining PC: The Components You Can & Can't Skimp On · Mining For Crypto Currency: Why Power Draw Is As Important As Hash  20 Dec 2017 Their reward is payment through the creation and issuance of new bitcoin. They become, essentially, tech-era gold miners — hence the term "bitcoin miners." hydro-prices. But each transaction is estimated to consume between 200 to 250 kilowatt hours of power, which is roughly enough electricity to run 

How Much Power Does the Bitcoin Network Use? - The Balance

Bitcoin mining consumes more electricity than Ireland | Ocean bitcoin what are you miningWhich country uses the equivalent energy of the entire bitcoin network in a single day? Here are all of the stats you can learn from the Bitcoin Energy Consumption Index (stats accurate as of November 20, 2017):. Current Estimated Annual Electricity Consumption: 28.86 TWh; Annualized Global Mining Revenues: $6,906, 15 Dec 2017 Total electricity use in bitcoin mining has increased by 30 percent in the past month, according to Alex de Vries, a 28-year-old blockchain analyst for accounting firm PwC. “The energy-consumption is insane,” said de Vries, who started the Digiconomist blog to show the potential pitfalls in cryptocurrency. 10 Dec 2017 Bitcoin mining operations are now some of the most powerful supercomputing farms in existence. They aggregate staggering amounts of processing power, and run them flat stick, day and night, solving the incredibly complex computational math that keeps Bitcoin trustworthy. The electricity usage rate is How to mine CryptoNight based crypto currencies with Radeon RX

Crypto mining power consumption

GPU Power consumption at 60% : NiceHash - Reddit

Crypto mining power consumption 29 Nov 2017 The idea was suggested in order to use the free access to electricity with the Supercharger network. Technically, if someone is able to draw power from the Tesla to power those mining systems, which is what this owner is claiming though it's not clear how he is drawing the 2.8 kW of power required from Bitcoin Mining Power Consumption Worth Over $1.5 Billion Warranty Policy for Cryptocurrency Mining Power Supply Units. Limited Warranty. This limited warranty covers any defects in material or workmanship under normal use during the Warranty Period to units specifically branded and merchandised as cryptocurrency mining power supply. This Limited Warranty does not cover  how to set up bitcoin mining windowsTime for a quick look at the power usage of the GeForce GTX 1070, the reference design from Nvidia that has a TDP of 151W set by the manufacturer, making it pretty energy efficient for the performance it provides for crypto currency mining. We are checking the situation with the different algorithms apart from Ethereum, 7 Dec 2017 It has been widely reported that the bitcoin mining network now consumes more electricity than 159 countries of the world. The huge energy consumption is down to the way bitcoin and other cryptocurrencies operate. In order to avoid fraud, there is no centralised authority validating transactions. Instead  r/dogecoin miningEnergy consumed in mining Bitcoin would power a quarter of UK's 25 million homes. 21 Nov 2017. Bitcoin-mania is sweeping the globe, and entrepreneurs are looking for new ways to create profitable business within the sector. We look at the scale of the Bitcoin phenomenon and consider how to get a competitive edge 

Power Consumption: 1375W. Power Efficiency: 0.098 J/GH. Hash Rate: 12.93 TH/s. Revenue: 0.5 BTC/month. Price: $2000. Avalon 7 Bitcoin Miner. There are a handful of brands which make Bitcoin mining hardware, and most of the market is dominated by AntMiner and Avalon. The Avalon 7 comes as one of the latest How to Choose a Power Supply. To keep the crypto mining equipment running stably, you need to adopt a power supply with sufficient power to make your rig much efficient. According to one piece of AMD RX 470 with the power consumption of 120W, we highly recommend you to adopt a 80 PLUS Platinum certified  6 Dec 2017 Power hungry —. Bitcoin's insane energy consumption, explained. One estimate suggests the Bitcoin network consumes as much energy as Denmark. Bitcoin mining—the process that generates new bitcoins while maintaining the network's shared transaction ledger—is a secretive global industry.5 Dec 2017 These mining machines are big and run hot, and the people who use them—either Bitcoin mining companies or Bitcoin enthusiasts working together—use a lot of electricity to do so. Companies and organizations that mine bitcoin will sometimes have thousands of these machines packed into expansive  hashflare wiki 26 Nov 2017 Ireland and most African countries use less electricity annually than the amount used to process bitcoin transactions so far this year.

Crypto mining power consumption

15 Nov 2017 Analysts Debate How Much Power Is Consumed per Bitcoin Transaction Mr. Bevand states that the BECI “makes the wrong assumption that a fixed '60%' of mining revenues are spent on electricity,” describing the figure as having been “pulled out of thin air and miscalculated due to a misunderstanding  22 May 2017 After our extremely popular Monero mining series, which works well on AMD GPUs and Intel/ AMD CPUs, we started looking for a cryptocurrency mining application for NVIDIA GPUs. We are comparing all of the GTX series GPUs in terms of mining performance as well as power consumption. For the  litecoin mining bitmain17 Dec 2017 The energy consumption by Bitcoin has led to some alarmist rhetoric. It's pointed out that those mining Bitcoin consume more electricity than 19 European countries. Predictions are made that doom is descending upon us all due to an endlessly rapacious power hunger from cryptocurrency. One alarmist 

27 Nov 2017 Network's estimated power use also exceeds that of 19 other European countries, consuming more than five times output of continent's largest windfarm.3 days ago 6 GPU Ethereum mining rig build guide. Guide to assembling the best Ethereum mining hardware for a 6 GPU rig to maximize crypto mining profits. Power Consumption for Bitcoin Mining Is Now Ranked 61st in the bitcoin creator disappears 13 Dec 2017 The surge in electricity consumption has caused some concern among developers and investors alike, particularly at a stage when digital currencies seem to be close to breaking through into the mainstream worlds of investment and business. Now, an Austrian company claims to be able to use 23 Nov 2017 Researchers from British energy price comparison platform Power Compare have discovered that the total volume of electricity required for mining Bitcoin – the computational process that keeps transactions on the blockchain moving – now amounts to more consumption than 159 individual countries.

17 Aug 2017 Bitcoin mining consumes enormous amounts of electricity, which is why miners seek out locations that offer cheap energy. The Ordos mine was set up in 2014, making it China's oldest large-scale bitcoin mining facility. Bitmain acquired it in 2015. It's powered by electricity mostly from coal-fired power plants.Cryptocurrency Mining Hashrate and Power Consumption Comparison. Benchmark PC Tech - MultiTechnopark; 37 videos; 1,445 views; Updated 2 days ago. Play all. Share. Loading Save  3 Oct 2017 Although the leaders in the cryptocurrency mining space are BTC, ETH, LTC, DASH, ZEC, and XMR, there are benefits to mining lesser known cryptocurrencies, if you are able to hold them for a .. For tuning the power, you can see the max power of each of the GPU's is 200 Watts in the gethelp output. q bitcoin mining videos GPU MINING For DUMMIES: A complete guide on - The Bitcoin Pub5 Dec 2017 Cryptocurrency, Bitcoin, has an annual electricity consumption is 29.05 billion kWh, representing 0.13% of global electricity consumption.

Bitcoin Mining Energy Consumption Increases Drastically - NewsBTC

Crypto mining power consumption

Bitcoin Mining and its Energy Footprint - Karl O'Dwyer

1 Dec 2017 The growth of Bitcoin has also led to an exponential increase in 'Bitcoin mining': the computer processing power required to keep the blockchain – the decentralised, encrypted records upon which the value of Bitcoin depends – consistent and unaltered. According to the Bitcoin Energy Consumption Index The Genesis transaction equips HIVE with the three key elements needed to power the future of blockchain computing. Software. Hardware Power Consumption, Coin Price, Network Hash Rate, Cost per kWh. ) Mining cryptocurrencies profitably relies heavily on efficient energy infrastructure. Iceland is ideally suited to  5 Jan 2018 In a closed-door meeting with an internet financial risk remediation group, the People's Bank of China (PBOC), stated that it could instruct local governments to monitor power consumption of Bitcoin miners. Monitoring Power Usage, Not a Ban While the PBOC is not authorized to take the matter into their How To: Calculate Mining Profits 2017/18 - The Ultimate Crypto How crypto mining bitcoin 9 Nov 2017 The inventor of the BitTorrent torrent network has announced a new cryptocurrency that's a more eco-friendly alternative to Bitcoin. Mining cryptocurrencies requires massive amounts of electricity. Chia uses a different approach that's less demanding. hashflare cloud mining guide 9 Jan 2018 So, as rising bitcoin prices keep enticing miners to add more hashing power, the numerator is increasing while the denominator stays steady, resulting in a massive surge in per-transaction electricity. And while that's hardly a shining endorsement for bitcoin, it's less of a critique of its energy efficiency than of 

19 Dec 2017 Power supply units and cooling fans on shelves linked to cryptocurrency mining machines at the SberBit mining “hotel” in Moscow on Dec. 9. (Andrey Rudakov/Bloomberg). The exploding price of the cryptocurrency bitcoin in recent months has triggered doubts not only about the financial sustainability of Bitcoin Mining Power Consumption Explained - Crypto Capers 10 Apr 2017 We have all seen photos of large data centers hosting mining hardware built from specialized ASICs designed to solve the Bitcoin proof-of-work (a double SHA256 hash.) These data centers tend to be located in places with inexpensive electricity, often where hydroelectricity is plentiful, like Washington 5 Dec 2017 Yet, it is not so easy to get onboard the mining hype train. Novice miners face plenty of problems. Choosing hardware components, purchasing them and putting them together with power consumption, operating rate and price needs to be taken into consideration. Large mining farms also have to invest in  butterfly labs bitcoin miner ebay 15 Dec 2017 Total electricity use in bitcoin mining has increased by 30% in the past month, according to Alex de Vries, a 28-year-old blockchain analyst for accounting firm PwC. “The energy-consumption is insane,” said de Vries, who started the Digiconomist blog to show the potential pitfalls in cryptocurrency. litecoin mining for beginners 6 Apr 2017 The top Ethereum mining choice is currently the Radeon RX 570 / RX 580 line*. The RX 570 delivers nearly the same performance as the RX 580 (within 4-7% or so) for a bit less power consumption—they're essentially equal from an efficiency standpoint. The RX 570 is usually significantly cheaper than 

9 Jan 2018 China is moving to wipe out its bitcoin mining industry following concerns of excessive electricity consumption and financial risk, in the latest sign of Beijing's hostility to cryptocurrencies. A multi-agency task force has instructed provincial governments to “actively guide” companies in their respective regions [Mhash/s], Efficiency [Mhash/J], Efficiency [Mhash/s/$], Power [W], Price [$]. Avnet Spartan-6 LX150T Development Kit, 100, 0.10, 995. Bitcoin Dominator X5000, 100, 14.7, 0.22, 6.8, 440. BitForce SHA256 Single, 832, 10.4, 1.38, 80, 599. Butterflylabs Mini Rig, 25,200, 20.16, 1.64, 1,250, 15,295. Digilent Nexys 2 500K, 5  4 days ago SAN FRANCISCO — Creating a new Bitcoin requires electricity. A lot of it. In the virtual currency world this creation process is called “mining.” There is no physical digging, since Bitcoins are purely digital. But the computer power needed to create each digital token consumes at least as much electricity as 25 Nov 2017 The global electricity consumption used for bitcoin 'mining' has reached a level that there are over 150 countries which consume less electricity in a year. In other words, if bitcoin was a country, at current value, it would stand at 62nd position in the world in terms of consuming electricity in a year. bitcoin mining calculator radeon 7 Dec 2017 Based on that rate of growth, Bitcoin electricity consumption will overtake the U.S. by July 2019 and the world by 2020. The cryptocurrency industry is considering moves to adopt more energy-efficient business models amid concerns that the current method of mining coins could endanger the planet. become a bitcoin miner 64 15 Jan 2018 Morgan Stanley analysts led by Nicholas Ashworth wrote in a note that cryptocurrency mining could require up to 140 terawatt-hours of electricity in 2018. To put that into perspective, that figure is in line with the total electricity consumption of Argentina, and is 0.6 percent of the global total. It also exceeds 

Bitcoin Energy Consumption Index – How Blockchain Mining Power

Crypto mining power consumption 21 Dec 2017 Nomura noted that power used to mine bitcoin is estimated at 33.2 terawatt hours. According to the index, the amount of energy consumed by mining bitcoin surged about 26 percent in November alone and now totals nearly 36 terawatt hours, enough energy to power about 3.3 million homes.

In the big picture, Bitcoin mining secures transactions that are recorded in Bitcon's public ledger, the block chain. By conducting a random lottery where electricity and specialized equipment are the price of admission, the cost to disrupt the Bitcoin network scales with the amount of hashing power that is being spent by all Description, Value. Bitcoin's current estimated annual electricity consumption* (TWh), 44.28. Annualized global mining revenues, $10,198,363,864. Annualized estimated global mining costs, $2,213,779,803. Country closest to Bitcoin in terms of electricity consumption, Iraq. Estimated electricity used over the previous day  y is bitcoin mining real estate 24 Nov 2017 New research by British energy price comparison platform Power Compare shows that Bitcoin's growth in usage is not just leading to a surge in price. The energy-intensive process of mining the cryptocurrency requires a lot of energy. And, according to Power Compare, it really does require a lot of energy.Bitcoin Mining Calculator is used to calculate mining profitability for Bitcoin mining. Enter your Bitcoin mining hardware hash rate in GH/s along with the power wattage and your cost of electricity - dollars per kilowatt hour ($/kWh). The current Bitcoin difficulty, Bitcoin block reward, and Bitcoin price will be entered  define bitcoin mining quality 27 Nov 2017 Bitcoin mining uses more electricity than 159 individual countries -- including more than Ireland or Nigeria. Nearly 10 U.S. households can be powered for one day by the electricity consumed for a single bitcoin transaction, according to figures from The Bitcoin Energy Consumption Index.ECAI 2016: 22nd European Conference on Artificial Intelligence, 29 - Google Books Result

Electricity prices in South Africa from 1 April 2016. One of the current popular bitcoin miners out there is the ANTMINER S9 11.85TH/s bitcoin miner, currently selling for around $1442 or around R21000 on the manufacturers website and around R45000 locally in South Africa. This miner uses a 1500W power supply and 15 Dec 2017 But to get one, you either have to buy them from online exchanges or use specialized computing hardware to “mine” it. That last bit is where the freak-out comes in. In a report last week, the cryptocurrency website Digiconomics said that worldwide bitcoin mining was using more electricity than Serbia. how to get 1 bitcoin You can use the hashrate of your own computer to mine bitcoins. But due to huge number of miners , difficulty of blockchain and high hash rates of ASIC its nearly impossible to mine Bitcoin for profitability. How can you compete with your 100H/s against 1TH/s ? If you have free electricity then you can get some sort of profit. bitcoin mining hardware china I live in a dorm that has untraceable power consumption and since I over pay for the low quality of it I'd like to have fun and tinker with Mining Currently I have a GTX970 with I7 hasnt been rebuilt since moving here. COuld I mine when not using it then keep it as my gaming computer when I want it 8 Dec 2017 Experts say the high-tech activity is consuming a higher level of power than in 159 countries across the globe - amid fears it will use more than the world by 2020.

2 Dec 2017 According to claims in recent studies, the entire Bitcoin network consumes somewhere between 25 and 30 terawatt hours of electricity annually. This amount is almost entirely consumed by ASIC miners that run 24 hours a day, calculating trillions upon trillions of hashes to secure the network and mine new Cryptocurrency Investment 2018: How To Invest In Cryptocurrencies - Google Books Result ethereum mining java Blockchain: Uncovering Blockchain Technology, Cryptocurrencies, - Google Books ResultTo earn from bitcoin mining you need to consider the following in your bitcoin mining calculation: Upfront hardware cost, the price you pay for the hardware; The mining power of your hardware, in TH/S; Mining difficulty; Power consumption of the hardware; Your electricity cost; Climate of your country; Bitcoin price; Block  litecoin mining gtx 960 11 Dec 2017 Perhaps the most intriguing comparison raised in the entire Blomberg article is how Bitcoin consumes less electricity than the printing of bills and coins. The physical money we use today requires a total of 11 terawatt-hours per year to produce. Gold mining, another very labor-intensive process, requires as Only thing worried is about power usage i have calculates estimated earnings though it seems like half of the earnings will go towards power usage. But we are currently hooking up a 10kw solar system to the house which should hopefully help. Im also aware that the way mining works is based on luck and 

1 Nov 2017 Bitcoin's incredible price run to break over $7,000 this year has sent its overall electricity consumption soaring, as people worldwide bring more energy-hungry computers online to mine the digital currency. An index from cryptocurrency analyst Alex de Vries, aka Digiconomist, estimates that with prices the Cryptowizzard. Profitability Calculators. Ethereum Calculator ZCash Calculator. Mining Rig Builder. Ethereum Rig Builder. Pick the right components for your mining rig, checking their performance, required power supply and consumption Hardware Comparison. Graphic Cards Motherboards. ×. About. This Bootstrap  r ethereum mining Thanks @dmitry-buterin for the reply and this is what I have so far. Expected earnings in both Ether and Dollars. The calculations are based on the assumption that all conditions (difficulty and prices) remain as they are below. Enter your hash rate (MH/s) 25. Power consumption (in Watts) 125. Cost per KW/h ($) 0.13.I just started putting together a dedicated mining rig and so far I have a GTX 1070 and a GTX 1060 6GB. I noticed that while under mining load and bitcoin mining 7750 The first wave of these specialty bitcoin mining devices were easy to use Bitcoin miners were based on field-programmable gate array (FPGA) processors and attached to computers using a convenient USB connection. FPGA miners used much less power than CPU's or GPU's and made concentrated mining farms possible Coins per 24h at these conditions, 1956.0000 BTC. Power cost per 24h, 0.36 USD. Revenue per day, 2354358.96 USD. Less power costs, 2354358.60 USD. System efficiency, 210921469370.00 MH/s/W. Mining Factor 100 at the end of the time frame, 0.00 USD/24h@100MHash/s. Average Mining Factor 100, 0.00 

Cryptocurrency Mining PSUs - Aerocool

According to Digiconomist's Bitcoin Energy Consumption Index, as of Monday November 20th, 2017 Bitcoin's current estimated annual electricity consumption stands at 29.05TWh. 12 Dec 2017 It takes total mining revenues as a starting point, estimates the operational costs to miners as a percentage of their revenues, and then converts these costs into energy consumption based on average electricity prices. According to this method, Bitcoin's current annual electricity consumption is estimated to  1 Dec 2017 It's true that Bitcoin mining is an awful energy drain. Hundreds of thousands of application-specific integrated circuits or ASICs — specific hardware aimed exclusively for mining cryptocurrencies — hum in huge halls, mainly located in China, and use enormous amounts of electricity to create new bitcoins.24 Nov 2017 Basically this means that the more miners that join, the harder it gets to actually mine Bitcoins. Electricity Rate – Operating a Bitcoin miner consumes a lot of electricity. You'll need to find out your electricity rate in order to calculate profitability. This can usually be found on your monthly electricity bill. Power 

20 Dec 2017 Your initial investment will cost more if using solar power, better you make estimation with daily profit first then your ROI must not longer than 3 months since Network Hashes always growing by the time. You can use this site for simulation (Cryptocurrency Mining  5 Oct 2017 Bitcoin mining consumes electrical power. Learn about how much energy the entire computing process is using. 16 Jan 2018 Just a few years into the cryptocurrency revolution, bitcoin mining is already eating up an estimated 20,000 gigawatt hours of electricity per year. That's roughly .1% of global generation, on par with the power demand of Ireland. The primary culprits are bitcoin mining appliances like the Antminer S9, which is This is something that I thought that others might find useful. Plus, I work in the enterprise data center and cloud space so I know a few things about servers, colocation, and power. I will start with a short explanation of power in terms of Watts (W), kiloWatts (kW), and MegaWatts (MW). I will also get into taking Watts and 

1 day ago Mining cryptocurrencies is far too energy intensive and is consuming as much electricity as a G-20 economy, International Monetary Fund Managing Director Christine Lagarde said. “The Bitcoins mining, which is this accelerated and augmented use of computers to actually determine the value and  11 Dec 2017 Based on Digiconomist analytics, the power consumption from Bitcoin mining operations is similar to the energy usage of such countries as Oman, Morocco, Serbia and Denmark. For example, the power spent on mining the leading cryptocurrency could supply 48.4 percent of the Czech Republic's energy  6 Dec 2017 A study from the University of Cambridge earlier this year found that 58 percent of Bitcoin mining comes from China, describing “an arms race amongst miners to use the cheapest energy sources and the most efficient equipment to keep operators profitable.” Cheap power often means dirty power, and in Find out what your expected ETH and USD return is depending on your hash rate, power consumption and electricity cost. Find out if it's profitable to mine Ethereum. Do you think you've got what it takes to join the tough world of cryptocurrency mining?

Crypto mining power consumption

29 Nov 2017 Digiconomist's Bitcoin Consumption Index claims that the current estimated annual electricity consumption for mining is over 30 TWh.

12 Jan 2018 The insatiable demand for digital currencies such as bitcoin and the huge computer power needed to mine these currencies has led some local authorities to complain of excessive electricity consumption amid concerns that their electrical infrastructure is unable to cope. The problem is especially acute in a  16 Apr 2017 The resulting ROI of the miner plus the power supply is about 7-8 months with an electricity cost of 0.10 $/KWh and about 18-20 months with an electricity cost of 0.20 $/KWh. However, as it always happens with cryptocoin mining, your income depends a lot on the difficulty level too, which at the same time 16 hours ago How to buy bitcoin: Everything you need to know about cryptocurrency wallets and bitcoin cash. Play slideshow. Bitcoin is a new kind of money. Getty Images. 1 of 13. Bitcoin is a new kind of money. Digiconomist's Bitcoin Energy Consumption Index said the energy used for bitcoin mining could power  11 Dec 2017 At present, the most widely used estimate of the energy required to "mine" Bitcoins is comparable to the electricity usage of New Zealand, but this is probably an underestimate. If allowed to continue unchecked in our current energy-constrained, climate-threatened world, Bitcoin mining will become an Cloud mining, which is also referred to as cloud hashing, allows the user to buy the output of cryptocurrency mining hardware, which are located in remote data centres, with all mining done remotely, removing the issues faced by miners using powerful platforms, including sizeable power usage, heat, insulation and of 

30 Nov 2017 While no one can argue that Bitcoin (and other altcoins) mining consumes a lot of electricity (in absolute numbers) given that you need to run a network of few hundreds or thousands of very powerful computers all the time, the right way to look at this problem is not about the total consumption but to  Bitcoin Mining on Track to Consume All of the World's Energy by 2020. By Anthony Cuthbertson On 12/11/17 at 10:07 AM. bitcoin mining energy consumption world map A satellite composition of the world at night. Projections suggest the amount of electricity required to mine bitcoin will be equivalent to all of the world's Which country uses the equivalent energy of the entire bitcoin network in a single day? Here are all of the stats you can learn from the Bitcoin Energy Consumption Index (stats accurate as of November 20, 2017):. Current Estimated Annual Electricity Consumption: 28.86 TWh; Annualized Global Mining Revenues: $6,906,  13 Jun 2017 There are two major camps which object to Bitcoin mining due to its electrical cost: 1) The Eco-conscious. The eco-conscious seek to generally diminish global power consumption. Given that electricity is, at present, primarily generated through unsustainable methods, eco-activists hold that all energy 9 Jan 2018 So, as rising bitcoin prices keep enticing miners to add more hashing power, the numerator is increasing while the denominator stays steady, resulting in a massive surge in per-transaction electricity. And while that's hardly a shining endorsement for bitcoin, it's less of a critique of its energy efficiency than of 

Crypto mining power consumption