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BITCOIN POWER CONSUMPTION.INFO
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Bitcoin eWaste problem ?

Bitcoin eWaste

Bitcoin eWaste (Tonnes)

   Yet again many unfounded claims about Bitcoin disproved. Such as Dogdyconomists 37,000t of eWaste every year.
​   Only
74,192 Metric Tonnes of bitcoin mining ASICs have ever been manufactured ! Approximately 65% are still in operation, 9% are idle awaiting the BTC price to rise, electricity price to fall or waiting for winter as they double up as heating.
   Now we have ≈
 26% or 19,286 tonnes of mining rigs at end of useful life. Of course, metals are THE most recycled materials, & Bitcoin mines are mostly metal plus they have the recycling advantage of many thousands being in the same place unlike TVs.
   After recycling casings, heat sinks & copper coils - (the easy bits) - we are left with roughly 2,314 t eWaste. Remember this is an ALL TIME figure & Bitcoin was created in 2009, ASICs didn’t really kick in for a few years, so let’s divide over say 10 years. We are now left with 231 t/year eWaste, circuit boards and plastics that may be further recycled.
   We only have to compare that to 6,600,000t eWaste from TVs / Monitors to see we have much bigger problems. Of course, many of these screens & computers will have come from the Banking & Finance industry - That Bitcoin is offsetting.
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Bitcoin eWaste per transaction

Some estimates put this at a ridiculous 376g per Transaction (Tr) - er no ❌
Let’s do the maths -

300,000 Tr per day x 365 = 109,500,000 Tr/year
210 tonnes / 109,500,000 = 1.92g eWaste per transaction (on chain),
approximately the mass of 2 butterflies 🦋🦋.

However Transactions are ≈ 2% of block rewards. So only fair to award 2% of ewaste to transactions, the other 98% being awarded to creation of new coins.

1.92g x 2% = 0.038g
Approximately 2 ants 🐜🐜

However, It gets better

Bitcoin lightning transactions are rapidly becoming the norm, of which there may be 10s to 1000s in each channel.
Let’s do more maths -
​

1 transaction to open a lightning channel + 1 transaction to close then divided by number of transactions in the channel.

g/Tr = ( 🐜🐜+🐜🐜) ÷ number of Lightning transactions
( 0.038 + 0.038 ) ÷ 100 = 0.00077g

A very small grain of sand perhaps ?
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Bearing in mind a typical Bitcoin transaction is £50,000 -£1,000,000 Pound for Pound I’m sure the banking sector has much greater quantities of eWaste + paper, vehicle + employee waste.
95% of ASICS are air cooled type
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Roughly 5% ASICS are water cooled
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Bitcoin developers are under legal attack ! Please consider donating to Bitcoin Legal Defence Fund

Hi, thanks for reading !
My goal is to present the most accurate assessment of Bitcoins power consumption, emissions & climate impact & continuously update & improve this website.
Please retweet or send the link to friends and colleagues.

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Lightning Tips greatly appreciated as proof of concept.
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