Ethereum reached its all-time high price of US$4,878 on November 10, 2021, during the peak of the 2020-2021 crypto bull run. The rally was driven by a convergence of factors: institutional adoption of crypto, a massive expansion of decentralized finance (DeFi), and explosive interest in NFTs, most of which were built on Ethereum’s ERC-721 standard.
By late 2021, Ethereum was settling billions in daily transaction volume and powering thousands of decentralized applications, cementing its position as the leading smart contract platform.
However, the peak was short-lived. Inflation fears and global risk aversion in early 2022 triggered a sharp correction across risk assets, including crypto. Ethereum’s price dipped below US$1,000 in June 2022 amid cascading liquidations and platform collapses like Terra and Celsius.
Still, even through the drawdown, Ethereum remained the backbone of DeFi, NFT markets, and layer-2 innovation, setting the stage for its long-planned transition to proof-of-stake later that year.
In the years that followed the fork, Ethereum faced growing pressure to scale and reduce its environmental impact, particularly as DeFi and NFT activity surged.
These challenges set the stage for a major protocol overhaul: Ethereum’s transition from Proof-of-Work (PoW) to Proof-of-Stake (PoS) was considered to be one of the most ambitious technical feats in blockchain history. Officially known as “the Merge,” the upgrade combined Ethereum’s execution layer (the mainnet) with the Beacon Chain, which introduced staking-based consensus.
The Merge took place in September 2022 and the environmental impact was immediate: Ethereum’s energy consumption dropped by over 99 percent.
While the Merge had little short-term effect on price, it marked a crucial moment for Ethereum’s long-term viability. At the time of the upgrade, ETH was trading at around US$1,600, which was a sharp decline from its all-time high of US$4,891 in November 2021 during the height of the crypto bull market.
That price peak had been driven by unprecedented network demand as NFTs and decentralized finance exploded in popularity, both largely built on Ethereum. By mid-2022, however, macroeconomic tightening, rising interest rates, and a series of high-profile crypto failures, including the collapse of TerraUSD and the insolvency of major lending platforms, had triggered a broad downturn.
After the Merge, ETH remained volatile. It already lost ground by as much as 70 percent against crypto leader Bitcoin since the Merge, and the introduction of EIP-1559 in 2021 had already created a more deflationary pressure on ETH supply through base fee burns.
Despite this setback, ETH showed relative resilience compared to many altcoins. In 2023, Ethereum hovered mostly between US$1,200 and US$2,100, with price movements closely tracking investor sentiment toward regulatory developments, Bitcoin’s performance, and broader market liquidity. Institutional interest in Ethereum also grew during this period, with more funds launching ETH products and staking services expanding.
Entering 2024, Ethereum gained momentum amid improving macroeconomic conditions and renewed optimism about real-world applications for blockchain technology. The network saw moderate success in sectors like tokenized assets, layer-2 infrastructure, and decentralized identity.
ETH briefly reclaimed the US$4,000 level in early March 2024 before retreating again due to renewed regulatory scrutiny in the US. Despite the pullback, Ethereum remained the second-largest cryptoasset by market capitalization and retained the majority share of developer activity across all chains.
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