Blockchains: Which is Most Sustainable?

Avatar for Prakash Dagwal
Blockchain's Which one is Most Sustainable

As stated earlier, non-fungible tokens (NFTs) are now more popular than ever before. Non-interchangeable units provide an excellent way of selling any digital item. For instance, the breakthrough of the NFTs in arts, fashion, and toys. This also has led to the revival of the ICURY project. This post will explain and compare which blockchain is the most sustainable.

The current crypto landscape hype leads to multiple blockchains available on the market. But, the challenge is to figure out which ones are the most ‘sustainable blockchains.’ For example, the ICURY project was initially built on the Ethereum blockchain. The goal is to create NFTs by attaching a unique Icecat product barcode as an image. In addition, I am exploring two other popular blockchains, Polygon and Solana. 

Blockchain Comparison Table

I compare three blockchains: Ethereum, Polygon, and Solana in the comparison table below.

Gas FeeVery high. Average $3.5.
Peak was $71.72.
Very Low.
Average $0.002
Close to zero.
Average $0.00025
Throughput<=15 TPS
Handles individual transactions.
<= 65K TPS
Transactions are
handled in bulk.
<= 50K TPS
Transactions are handled using Proof of Stake and Proof of History.
Block Time14 seconds on average2.3 seconds on average0.610 seconds on average
Consensus MechanismProof-of-Work.Proof of Stake, Plasma-enabled sidechain.Proof of Stake and Proof of History.
Programming Language
(Smart Contracts)
SolidityGolang, solidity, and VyperRust, C, and C++
GithubOpen Source
The complete network needs to update the copy for reflecting the new transaction.
(Carries from Ethereum)
The complete network need not be updated upon every transaction.
Top DApps Projects3032+ DApps720+ DApps39+ DApps
SecurityVery secureVery secure
(Carries from Ethereum)
Relatively less secure
StabilityVery stableVery stableNot stable as it is still in beta. It suffered a 17-hours downtime in Sep 2021.
SustainabilityHigh CO2 emissionEco-friendlyEco-friendly
Market Cap (in billions)$376$15$42
YTD Token Performance (%)+7%+6,104%+12,010%
Crypto exchanges.
Liquidity based
(Top 5)
Binance US
Binance US
NFT marketplaces
(Top 3)
Magic Eden

Ethereum, Polygon or Solana?

To conclude, Ethereum has the most pivotal role in building the backbone of decentralized finance. For that reason it has a firm footing in the industry. The Ethereum blockchain scores are, for example, high on security and stability parameters. But on the other hand, it scores low on throughput and fee of transactions. On the other hand, Solana and Polygon are relatively new. That is why it is hard to say who will win in the long term.

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