Ethereum is arguably the best altcoin to buy today, largely because of its massive upside potential. It currently is the largest smart contract platform and is also home to the greatest selection of DeFi, dApps, metaverse, and Web3 projects.

1. Ethereum (ETH)

2. Solana (SOL)

Solana is the fastest-growing smart contract platform with the aim of replacing Ethereum as the most preferred smart contract platform, Solana has rapidly onboarded each of the technologies found on Ethereum. From NFTs to the metaverse, play-to-earn games to meme coins, and even decentralized exchanges.

3. Cardano (ADA)

Cardano is the largest smart contract platform. It has also been consistently ranked the most secure blockchain by crypto and fintech experts by virtue of being the first peer-researched crypto technology.

4. Binance Coin (BNB)

Binance Coin is the utility token for the most popular and most liquid crypto exchange in the world. It has integrated virtually all the emerging crypto technologies – from DEXs to NFTs, meme currencies, Web3 protocols, play-to-earn gaming models, and even metaverse.

5. Cosmos (ATOM)

Cosmos seeks to solve one of the biggest challenges and biggest hurdles to global blockchain adoption – interoperability. This makes it one of the most useful crypto projects of the future and one of the best cryptocurrencies to buy in 2023 and HODL.