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Sustainability is now the name of the game across many industries. The blockchain industry is one of them, with several projects aiming to reduce the energy impact of their operations or support green causes in other ways. However, on closer inspection, sustainability has received much less attention in the world of blockchain technology than many people may assume. Indeed, the industry's two leading data portals, CoinGecko and CoinMarketCap, have no "Sustainability" or similar category, despite coming up with hundreds of other classifications.
Some smaller-cap projects outside of the top 100, such as Powerledger (POWR) and IOTA (IOTA), do focus on supporting environmental causes. But in the entire list of top 100 cryptocurrencies by market cap, only one project can confidently be described as having sustainability as its key pillar — VeChain (VET).
With a market cap of $2 billion (as of the time of writing on Apr 22, 2025), VeChain stands head and shoulders above any other crypto project in the sustainability niche. The project has been fully operational since 2018, and is among the oldest environmentally focused blockchain initiatives. In short, if we talk about sustainability and blockchain, it would be disingenuous not to mention VeChain and its Layer 1 network, VeChainThor (VTHO).
Having championed green blockchain causes since 2018, VeChain announced a significant upgrade initiative in late 2024 to be rolled out in stages during 2025. Called Renaissance, it’s envisioned to further solidify VeChain's position as the leader of eco-friendly blockchain use and introduce a host of technical improvements. In fact, 2025 is the year of the most fundamental upgrade to this notable industry player in its entire history on the market, so it's precisely the time to revisit this project in our coverage.
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