Ethereum

Ethereum (ETH) is a cryptocurrency launched in 2015. It operates as a decentralized, open-source blockchain with native smart contract functionality, categorized technologically as a Layer-1 platform.

The network executes a programmable global computer where developers deploy self-executing contracts and decentralized applications without reliance on centralized intermediaries. Over $14 billion in decentralized finance protocols and millions of NFT assets inhabit the ecosystem, addressing market frictions around censorship, settlement finality, and permissioned financial access. Lending markets, decentralized exchanges, and synthetic assets all settle atomically without brokerages or clearinghouses.

Ethereum operates on its own blockchain using proof-of-stake consensus. Thousands of independent validator nodes propose and attest to blocks, with each epoch spanning 32 slots of approximately 12 seconds.

The Ethereum Virtual Machine functions as a Turing-complete, stack-based runtime enforcing deterministic execution across heterogenous hardware. Smart contracts compile from high-level languages—primarily Solidity—down to EVM bytecode. Tokenization standards proliferate through ERC-20 for fungible assets and ERC-721 for non-fungible tokens, while transaction costs are metered in units of gas, priced in gwei, and dynamically adjusted via a base fee introduced in EIP-1559. Block propagation relies on a peer-to-peer gossip protocol and a Merkle–Patricia trie state structure.

Vitalik Buterin authored the original whitepaper in late 2013 and attracted a group of co-founders that included Gavin Wood, Joseph Lubin, Charles Hoskinson, Anthony Di Iorio, Mihai Alisie, Amir Chetrit, and Jeffrey Wilcke. A public crowd sale in mid-2014 raised over $18 million, and the genesis block materialized on July 30, 2015. The platform’s trajectory passed through the 2016 DAO exploit and subsequent hard fork, the 2020 Beacon Chain debut, the 2021 London upgrade that instituted fee burning, and the September 2022 Merge that retired proof-of-work entirely.

The long-term objective reframes global compute infrastructure as a permissionless, neutrally creditable settlement layer resistant to state-level capture and quantum-era threats. Roadmap priorities target scaling throughput beyond 100,000 transactions per second through layer-2 rollups and sharding architectures while preserving credible neutrality and validator decentralization.

ETH operates as the native gas asset consumed in every state-changing operation, from simple transfers to complex multi-contract orchestration. Validators stake a minimum of 32 ETH (or up to 2,048 ETH under the Pectra upgrade) to register and participate in consensus, earning protocol emissions and priority tips while risking slashing for equivocation or inactivity. The same asset collateralizes lending positions across DeFi protocols and serves as the quote denomination for NFT marketplaces. Under EIP-1559, the base fee component of each transaction burns permanently, introducing periods of net-negative issuance during elevated network demand.

Staking entities lock capital to secure the chain and capture an annualized yield typically ranging between 3% and 5%, depending on aggregate validator participation. Externally-owned accounts burn ETH to summon execution resources when interacting with smart contracts. DeFi protocols rely on ETH as primary collateral for minting stablecoins and issuing undercollateralized flash loans. Institutional treasury managers and spot ETF product issuers have also begun accumulating the asset for long-term blockchain exposure and yield generation.

Ethereum has no preset maximum supply, with a total supply of 120,688,915.03 tokens. Currently, 120,688,915.03 ETH are in circulation. The protocol issues new ETH each epoch as validator rewards, yet the burn mechanism introduced by EIP-1559 offsets issuance and occasionally renders the asset temporarily deflationary during periods of intense transactional demand. With a market capitalization of $279,476,069,997, Ethereum ranks #2 among all cryptocurrencies.