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Core Purpose
Bitcoin: Digital gold. Store of value. Payment network. Bitcoin is intentionally simple — Satoshi Nakamoto designed it to do one thing extremely well: be a censorship-resistant monetary system. No smart contracts (by design), no complex applications.
Ethereum: Programmable blockchain. Smart contract platform. The foundation for DeFi, NFTs, DAOs, stablecoins, and enterprise applications. Ethereum is designed to be a general-purpose computation platform secured by the same blockchain trust mechanism.
Technical Comparison
| Factor | Bitcoin | Ethereum |
|---|---|---|
Consensus | Proof of Work | Proof of Stake |
Block time | ~10 minutes | ~12 seconds |
Throughput | ~7 TPS | ~30 TPS (L1) |
Smart contracts | Limited (Script) | Full (Solidity, EVM) |
Finality | Probabilistic | ~15 minutes (economic) |
Energy use | Very high | Very low (post-Merge) |
Inflation | Decreasing, max 21M BTC | ~0.3%/yr (burn > issuance possible) |
Primary use | Store of value, payments | Applications, DeFi, NFTs |
Market cap rank | #1 | #2 |
What Bitcoin Does Better
Store of value: Bitcoin's 21M hard cap, decade-long security track record, and institutional credibility ($100B+ in ETFs and corporate treasuries) make it the established digital store of value.
Security model: Bitcoin has the largest hash rate in history, making 51% attacks prohibitively expensive. Simple, battle-tested code with fewer attack surfaces than Ethereum's complexity.
Regulatory clarity: Bitcoin is universally recognized as a commodity (CFTC, multiple court decisions). Ethereum's status is less clear after the PoS transition (SEC has raised security classification questions, though most experts disagree).
What Ethereum Does Better
Programmability: Smart contracts. DeFi. NFTs. DAOs. None of these are possible on Bitcoin in any meaningful sense.
Ecosystem: $45B+ in DeFi TVL, millions of deployed contracts, the largest developer ecosystem in crypto.
Institutional product variety: Beyond holding ETH: tokenized funds, on-chain derivatives, yield-generating stablecoins — all Ethereum-native.