
Cryptocurrency Ethereum (CRYPTO: ETH) is up 20% over the past week and more than 40% over the past month, but remains below the all-time highs set in 2021.
Ethereum's year-to-date gains of 7% trail other large cryptocurrencies, with many of them setting new all-time highs in 2025. Still, the second-largest crypto trades significantly higher than when it was launched in 2015. Here's a look back.