Ethereum (ETH)
The second-largest cryptocurrency and the leading platform for smart contracts — powering DeFi, NFTs, and thousands of decentralized apps on a proof-of-stake blockchain.
If Bitcoin is digital gold, Ethereum is more like a programmable financial system. Launched in 2015 by Vitalik Buterin and others, Ethereum took Bitcoin's core idea — decentralized money — and added the ability to run code directly on the blockchain through smart contracts (self-executing programs that follow rules you set in advance).
That single addition unlocked an entire ecosystem: decentralized finance (DeFi), NFTs, DAOs (community-run organizations), and thousands of apps that don't rely on any central company. If you've ever swapped tokens, minted an NFT, or lent crypto to earn interest, you've probably used Ethereum.
Ether (ETH) — Ethereum's native currency — does double duty. You can use it like money, but you also need it to pay "gas fees," which are the costs for running transactions and smart contracts on the network. Every swap, transfer, or DeFi interaction requires a small amount of ETH.
In September 2022, Ethereum made a huge shift called "the Merge," moving from energy-intensive proof-of-work to proof-of-stake. This cut its energy use by 99.95% and let ETH holders earn staking rewards (typically 3-5% APY). Combined with a fee-burning mechanism (EIP-1559), ETH can actually become deflationary during busy periods — more ETH gets destroyed in fees than gets created through rewards.
For your portfolio, Ethereum means exposure to the broader crypto ecosystem's growth. Tracking ETH alongside all your ERC-20 tokens across mainnet, Layer 2 networks, and multiple wallets can get complex — that's where comprehensive portfolio tracking really helps.
Frequently Asked Questions
▸Is Ethereum a good investment?
Ethereum has the largest developer ecosystem in crypto and favorable tokenomics with staking yield and fee burning. That said, it faces competition from faster, cheaper chains and regulatory uncertainty. Like all crypto, it carries significant risk — do your own research before investing.
▸What's the difference between Ethereum and Bitcoin?
Bitcoin is primarily a store of value — fixed supply, proof-of-work, digital gold narrative. Ethereum is a programmable platform for smart contracts, DeFi, and dApps. ETH uses proof-of-stake, has no hard supply cap (but can be deflationary), and has much broader utility beyond just sending and receiving value.
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