ether (Cryptocurrency: ETH)It is the native token of the Ethereum blockchain and the second most valuable cryptocurrency in the world after Ethereum. Bitcoin (Cryptocurrency: BTC). An investment of $1,000 in its earliest trade in August 2015 at $0.26 per token is now worth $8.05 million. Investors may be reluctant to buy Ethereum after making millionaire gains, but a new investment of $1,000 in the cryptocurrency can still lead to life-changing returns.
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Ether was once a proof-of-work (PoW) cryptocurrency that could be mined like Bitcoin, but during the 2022 “merge” it transitioned to a more energy-efficient proof-of-stake (PoS) mechanism. After the upgrade, ether can no longer be mined, but can be staked (locked for interest-like rewards). It also gained support for smart contracts, which are used to develop decentralized applications (dApps), non-fungible tokens (NFTs) and other crypto assets.
Unlike Bitcoin, which has a maximum supply of 21 million tokens, Ethereum has a circulating supply of 121 million tokens with no supply limit. Therefore, its value lies primarily in the growth of its developer ecosystem rather than the scarcity of its token.
As of the end of 2025, Ethereum has 31,869 active developers, making it the largest blockchain-based developer ecosystem. Ethereum’s native layer 1 (L1) blockchain cannot match the speed of newer PoS blockchains, such as Solana (Cryptocurrency: SOL) and cardano (Cryptocurrency: ADA). Still, its Layer 2 (L2) “aggregation” — bundling multiple transactions together to process them off-chain at higher speeds — is helping to close the gap.
Ethereum’s first spot-priced exchange-traded funds (ETFs) were approved in 2024, but their appeal was limited because they did not include any staking rewards. But in the fourth quarter of 2025, two ETFs with Stake rewards arrived: REX-Osprey’s ETH + Stake ETF (NYSE:ESK) and Grayscale’s Ethereum Staking ETF (NYSE: ETHE). The approval of an additional collateralized Ethereum ETF may attract more retail and institutional investors.
Both Ethereum and Bitcoin are considered “blue-chip” cryptocurrencies, and they have a longer lifespan than smaller altcoins on the market. In the next ten years, Ethereum also plans to improve its scalability, reduce network congestion and gas fees, and improve overall efficiency through three major upgrades: The Verge, The Purge, and The Splurge. These improvements will boost Ethereum’s network activity, drive the development of more applications, and widen its moat against competitors.
