$ETH (Ether) is the native cryptocurrency of the Ethereum blockchain, and it plays a central role in powering the decentralized applications (dApps) and smart contracts on the network.

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Quick Overview

Symbol: ETH

Launched: 2015

Blockchain: Ethereum

Creator: Vitalik Buterin (and team)

Consensus: Proof of Stake (as of the Merge, September 2022)

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Primary Uses of ETH

1. Gas Fees: Used to pay for transactions and smart contract executions on the Ethereum network.

2. Staking: Users can stake ETH to help secure the network and earn rewards.

3. DeFi & NFTs: ETH is widely used in decentralized finance apps and to buy/sell NFTs.

4. Store of Value / Investment: Many treat ETH as a long-term asset like digital oil.

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Recent Developments (2025)

Dencun Upgrade (March 2024): Introduced proto-danksharding (EIP-4844), significantly reducing Layer 2 fees via blobs.

Ethereum Security Initiative (1TS): A major multi-year effort to make Ethereum secure enough to support trillions in assets (see: #EthereumSecurityInitiative).

Layer 2 Boom: Ecosystem growth on chains like Arbitrum, Optimism, Base, and zkSync has made ETH even more scalable and useful.

Restaking & EigenLayer: ETH can now be “restaked” to help secure other protocols, opening up new yield opportunities.

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ETH Tokenomics

Supply: Not fixed, but often deflationary due to EIP-1559, which burns base fees.

Staked ETH: Over 30 million ETH is staked as of 2025.

Market Position: ETH is the second-largest cryptocurrency by market cap after Bitcoin.

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Where Can You Use or Hold ETH?

Wallets: MetaMask, Coinbase Wallet, Ledger, Trezor

Exchanges: Binance, Coinbase, Kraken, OKX

DeFi: Aave, Lido, Uniswap, Curve

NFTs: OpenSea, Blur, Zora