6 Remarkable Revivals in the 2021 Crypto Boom that Shook the Digital World

2. Ethereum’s Breakthrough Year

Ethereum, the second-largest cryptocurrency, saw a huge comeback in 2021. This revival was driven by the rise of decentralized finance (DeFi) and non-fungible tokens (NFTs), both of which heavily rely on Ethereum’s blockchain. The anticipation of Ethereum 2.0, a major upgrade designed to improve scalability and security, also fueled its growth, further cementing its position in the crypto space.