Co-ordinate to Cointelegraph Research's original investigation into the most energy-efficient blockchains for nonfungible tokens (NFT), the Ethereum network is currently using more energy than Costa rica does during an entire year. To put this into perspective, a single transaction on Ethereum uses roughly xxx kilowatt-hour, which is equivalent to powering a house in the U.s.a. for a whole day. 100 Ethereum transactions is equivalent to driving approximately 390 kilometers in a Tesla Model 3. However, Ethereum's upcoming movement to Eth2 will change all of this for the amend.

In contrast, a transaction on Tezos takes 0.0016 kWh or less than the energy required to charge an Apple Tablet for x minutes. 100 Tezos transactions is equivalent to driving x km in a Tesla Model 3. The energy use of the entire Tezos network is approximately equivalent to two households in the U.Southward. for the whole twelvemonth. One question, though, is how competing blockchains such equally Tezos, Polkadot and Solana volition perform on the market once Ethereum transitions to Eth2.

Blockchain energy consumption has been bailiwick to intense debate. While NFTs are nowadays on several blockchains, the new research report only compared energy consumption on ii chains. Free energy consumption is directly related to a blockchain's consensus machinery, where Ethereum represents proof-of-piece of work (Pw) and Tezos is used as an example of proof-of-stake (PoS).

Download the full written report hither, complete with charts and infographics.

The results evidence that the Ethereum blockchain is significantly more energy-intensive than an alternative PoS chain such as Tezos. In 2022, transactions on Tezos take been more than 35,000 times more free energy-efficient than those on Ethereum.

When addressing the issue of energy consumption, one, first of all, needs to distinguish transaction costs and the costs of maintaining the network. Naturally, a PoW system such as Ethereum will be more energy-intensive than a PoS blockchain such as Tezos.

The PoW vs. PoS argue

A Pow blockchain network depends on a large number of private miners contributing to the network's hash power in lodge to secure the network. Thus, the free energy consumption of Ethereum, for example, is not direct related to the number of transactions. Each transaction only contributes marginally to the total energy consumed.

Even so, when comparison energy consumption across blockchains, information technology needs to be scaled past a metric that captures how extensively a network is used. Therefore, the total energy consumption is divided by the number of transactions that a network performs inside a mean solar day. For Ethereum, the total energy consumption is a product of the boilerplate daily hash rate and an guess for hardware efficiency. Finally, the results are annualized for comparability.

For Tezos, a slightly unlike strategy was followed, equally energy consumption in a PoS network does non depend on hash rate. The calculation comes downward to the total free energy consumption for each day and multiplying it past the number of active delegates — that is, the number of active bakers by the daily energy consumption of a baker.

The results support previous findings on the vastly different energy consumption of Pw vs. PoS blockchains. It can be estimated that in Baronial 2022, the creation of an NFT on Tezos was roughly equivalent to using a hairdryer for ii seconds, while creating an NFT on Ethereum amounted to using it for more than 20 hours.

All about efficiency

For at present, the Ethereum blockchain is not equally energy efficient as PoS alternatives leaving aside potential security concerns when comparison Prisoner of war and PoS blockchains. Thus, minting an NFT on Ethereum appears to be less environmentally friendly compared to less energy-intensive alternatives. However, Ethereum's move toward a PoS algorithm will likely atomic number 82 to a substantial decrease in energy usage, which is going to modify the situation for the better.

This commodity is for information purposes only and represents neither investment advice nor an investment analysis or an invitation to buy or sell financial instruments. Specifically, the document does non serve as a substitute for private investment or other advice.