Top 5 Eco-Friendly Coins to Invest in 2025

With governments and institutions pushing for greener technologies, crypto developers have shifted their focus to creating more sustainable blockchains

In an era defined by growing environmental consciousness, the cryptocurrency industry has come under scrutiny for its energy footprint, particularly in the case of Bitcoin and its Proof of Work (PoW) consensus mechanism.

As cryptocurrency went mainstream, eco-conscious users and investors alike have begun to favor more sustainable blockchain projects over energy-hungry ones.

Institutions and governments are also pushing for greener technologies to help mitigate climate change, and crypto developers have shifted their focus to creating more sustainable blockchains that are also more efficient and scalable.

Here are the top 5 eco-friendly coins you can invest in today.

Top Gainers (24h)

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1. Ethereum (ETH)

Ever since Ethereum (ETH) transitioned from PoW to a Proof of Stake (PoS) consensus mechanism in 2022, it has been the largest eco-friendly cryptocurrency by market capitalization. According to the Crypto Carbon Ratings Institute (CCRI), Ethereum’s shift to its current PoS protocol reduced energy consumption by 99.992%.

Previously, the blockchain’s annualized electricity consumption was 20,000,000 MWh (megawatt-hours), dropping to just 4,957 MWh when it became PoS. This decrease in Ethereum’s electricity usage is comparable to reducing the energy consumption needed by a mid-sized country to the energy used by one neighborhood.

Additionally, the blockchain network’s shift to PoS also increased transaction throughput and reduced network fees. The new consensus mechanism made Ethereum more scalable, enabling more users to join the foundational network in smart contract applications and decentralized finance (DeFi).

Since the transition, Ethereum’s price has risen by over 25% following the latest crypto bull cycle. Initially, the blockchain was supposed to implement sharding to help Ethereum scale even further. However, the widespread development of Layer-2 rollups has prompted Ethereum to drop sharding from its roadmap.

2. VebetterDAO (B3TR)

Launched in 2024, VebetterDAO (B3TR) is an environmentally focused blockchain project with token governance utility. It uses a redesigned PoS consensus model to lower electricity consumption while giving token holders voting rights on updates and fund management.

The project is focused on sustainable practices and has a partnership with Plastic Bank for recycling plastic. VebetterDAO also integrates with Climate Trade for carbon offsets, similar to Algorand (ALGO).

Moreover, VebetterDAO is part of the Center for Circular Economy at the Massachusetts Institute of Technology (MIT). The project aims to develop new blockchain solutions for a more sustainable future.

3. Algorand (ALGO)

Algorand (ALGO) is another sustainable blockchain ecosystem developed to offer high performance without compromising energy efficiency. It operates on a Pure Proof of Stake (PPoS) consensus mechanism, giving all token holders a fair chance to participate in block validation.

According to the CCRI, Algorand consumes 2,512 MWh of electricity annually, making it one of the lowest-energy blockchains among the top 100 cryptocurrencies by market cap. Additionally, the Algorand mainnet has 7 times less annualized carbon emissions than Ethereum and 300,000 times less than Bitcoin in 2024.

Since 2021, the blockchain has been carbon-neutral, meaning carbon emissions from its operations have been offset by removing or reducing carbon emissions elsewhere. It does this by purchasing carbon credits on the ClimateTrade marketplace, and the donations were recorded transparently on the Algorand network.

Central to Algorand’s eco-friendly design is its PPoS consensus mechanism, which consumes less energy than conventional PoS models. While other PoS blockchains like Ethereum and Solana require validators to create several blocks to confirm a transaction, Algorand only requires a validator to generate one block for the same purpose.

4. Regen (REGEN)

Regen (REGEN) is a community-centric PoS blockchain that powers the Regen Marketplace, a digital carbon and ecological credit market similar to ClimateTrade. The project is based on the Cosmos (ATOM) network but has been adapted for use in more eco-friendly endeavors.

REGEN, the Regen Network’s native governance token, offers on-chain governance and inflationary rewards for validators contributing to the blockchain’s security. Furthermore, users can stake or delegate REGEN tokens to join the platform’s community. Staking REGEN yields 10-30% APR (annual percentage returns), depending on market conditions.

Individuals can participate in the Regen Network by creating Regen crypto wallets and holding the native token. Additionally, REGEN holders can participate in network governance, allowing them to vote on community proposals, platform updates, and fund management.

Users looking to buy REGEN tokens can find the eco-friendly crypto on