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Green
Crypto


POLKADOT HAS LEAST CARBON FOOTPRINT, CRYPTO RESEARCHER SAYS

 * Researcher CCRI looked at proof-of-stake blockchains
 * Cardano uses the least energy per node; Solana per transaction

By

Joanna Ossinger

+Follow
February 2, 2022, 2:12 PM GMTUpdated onFebruary 3, 2022, 1:08 AM GMT
From



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GREEN DATA DASH

-4. 00%
Today's arctic ice area vs. historic average
+0. 83° C
Dec. 2021 increase in global temperature vs. 1900s average
0
0
9
8
7
6
0
9
8
7
6
5
0
0
9
8
7
6
Soccer pitches of forest lost this hour, most recent data
Varanasi, India
Most polluted air today, in sensor range
$69. 9B
Renewable power investment worldwide in Q2 2020
0
6
5
4
3
2
0
3
2
1
0
9
0
1
0
9
8
7
.
0
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6
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0
8
7
6
5
4
0
9
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7
6
5
Parts per million CO2 in the atmosphere
52, 000
Million metric tons of greenhouse emissions, most recent annual data
37%
Carbon-free net power in Germany, most recent data
Open


Energy usage by various crypto blockchains has been a topic of controversy for
years -- and now a research firm has tried to quantify the exact differences in
consumption by some of the top networks.

Polkadot has the lowest total electricity consumption and total carbon emissions
per year of the six so-called proof-of-stake blockchains studied, according to a
report from Ulrich Gallersdörfer, Lena Klaaßen and Christian Stoll of the Crypto
Carbon Ratings Institute. Cardano uses the lowest energy per node per year and
Solana the lowest electricity per transaction, the report said. The report was
commissioned by Ava Labs, which is associated with the Avalanche blockchain, one
of those that was studied.




When assessing the economic value secured in financial applications on each
platform -- known as the the total value locked -- it’s $18,454 per kilowatt
hour for Avalanche, versus $4,395 for Solana and $19.18 for Polkadot, the report
said, using DeFiLlama data from Feb. 1. 



Proof of Work systems such as the one that underpins Bitcoin need computational
power to solve mining puzzles to secure the network, while Proof of Stake
requires validators to lock in funds for a specific period of time to propose or
vote on new blocks. Ethereum also uses Proof of Work, though it’s undergoing
upgrades that will convert it to Proof of Stake.



Bitcoin’s energy consumption has attracted concern from the likes of Elon Musk,
Bank of America Corp. researchers and more -- and it’s been a concern even for
countries that host miners. Proof of Stake networks consume less than 0.001% of
the Bitcoin network, the CCRI report said.


 
Source: Crypto Carbon Ratings Institute

The CCRI report goes further, also asserting that the Proof of Stake networks
studied use little enough energy that other factors should be given more
attention when evaluating them.



“For practitioners selecting a PoS blockchain protocol, other factors such as
decentralization, network throughput or functionality (e.g., smart contracts)
should increase in relevance as decision criteria,” the report said.

(Adds data on total value locked in third paragraph.)




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Copied
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GREEN DATA DASH

Varanasi, India
Most polluted air today, in sensor range
-4. 00%
Today's arctic ice area vs. historic average
+0. 83° C
Dec. 2021 increase in global temperature vs. 1900s average
37%
Carbon-free net power in Germany, most recent data
0
0
9
8
7
6
0
9
8
7
6
5
0
0
9
8
7
6
Soccer pitches of forest lost this hour, most recent data
0
6
5
4
3
2
0
3
2
1
0
9
0
1
0
9
8
7
.
0
9
8
7
6
5
0
6
5
4
3
2
0
1
0
9
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7
0
6
5
4
3
2
0
8
7
6
5
4
0
9
8
7
6
5
Parts per million CO2 in the atmosphere
$69. 9B
Renewable power investment worldwide in Q2 2020
52, 000
Million metric tons of greenhouse emissions, most recent annual data
Open

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