Bitcoin vs Ethereum: Complete Comparison (2026)

Bitcoin and Ethereum are the two largest digital assets, but they are built for different jobs. Bitcoin runs on Proof of Work with SHA-256 mining. It targets roughly 10-minute blocks and handles about 7 transactions per second on its base layer. Its scripting language is deliberately limited, which keeps its attack surface small and its monetary rules predictable. Ethereum has used Proof of Stake since the Merge in September 2022. It produces 12-second slots and runs a Turing-complete virtual machine (the EVM) that executes general-purpose smart contracts. Its base layer handles roughly 15 to 30 transactions per second, and it relies on rollups such as Arbitrum, Optimism and Base to scale further. Bitcoin's main scaling path is the Lightning Network, plus newer experiments like Ordinals and sidechains. Those design choices lead to different use cases. Bitcoin is positioned as a store of value and settlement asset. It appeals to treasuries, long-term holders and institutions that want a neutral, hard-capped reserve asset. Ethereum is a programmable platform that powers DeFi, stablecoin settlement, tokenized real-world assets, NFTs and the Layer 2 ecosystem. It has the largest smart contract developer community of any chain, and its tooling (Solidity, the EVM standard, wallet infrastructure) has been copied across many competing networks. Bitcoin's developer base is smaller and more conservative, and it puts protocol stability ahead of adding features. Both assets have spot ETF access in the United States, which has widened institutional exposure to each. The live numbers show a clear size gap. Bitcoin's market cap is $1.64T and Ethereum's is $293.76B, so BTC is about 5.6 times larger and makes up roughly 85% of the pair's combined value. One BTC at $81,525 buys about 33.9 ETH at $2,405.12, an ETH/BTC ratio near 0.0295. Over the past 24 hours BTC gained 0.06% while ETH lost 0.59%, a gap of about 0.65 percentage points in Bitcoin's favor. ETH trades more actively relative to its size. Its $6.51B in daily volume equals about 2.2% of its market cap, compared with about 0.9% for BTC's $14.16B, which points to heavier speculative and DeFi-driven turnover. Supply and drawdowns separate the two further. Bitcoin's circulating supply of 20.10M is about 95.7% of the fixed 21M cap, so only around 0.9M BTC remain to be issued, and halvings cut that issuance on a schedule. Ethereum has 122.14M ETH in circulation and no maximum supply. Its net issuance depends on staking rewards minus fees burned under EIP-1559, so supply can grow or shrink with network activity. Drawdowns are also uneven. BTC sits 35.3% below its $126,080 all-time high, while ETH is 51.4% below its $4,946.05 peak, a gap of about 16 percentage points. Ethereum's strengths are flexibility and a large ecosystem, and its weaknesses are a more complex fee economy and competition from other smart contract chains. Bitcoin's strengths are simplicity and monetary credibility, and its weaknesses are limited programmability and long-run questions about whether fees can pay for mining security as block rewards shrink.

The core difference is purpose. Bitcoin is a fixed-supply monetary asset with a conservative protocol, while Ethereum is a programmable settlement layer whose value depends on how much economic activity runs on it. Bitcoin's 5.6x larger market cap, smaller drawdown from its all-time high (35.3% versus 51.4%) and slightly firmer 24-hour move point to a more established, lower-volatility profile. Ethereum's deeper drawdown and higher turnover relative to its size point to higher beta and more sensitivity to activity in DeFi, Layer 2s and stablecoins. Risk-averse, long-term participants may find Bitcoin's predictable issuance and simple thesis easier to reason about. Growth-oriented participants may be more interested in Ethereum's exposure to on-chain applications and its variable supply, accepting larger swings in return. Short-term traders may notice that ETH's higher volume-to-cap ratio and wider price ranges create more volatility in both directions. Neither asset is inherently better. They answer different questions, and the fit depends on each person's time horizon, risk tolerance and view of where blockchain value will build up.