Bitcoin vs Ethereum
Bitcoin (BTC) ranks #1 by market capitalization at $1.60T and Ethereum (ETH) ranks #2 at $299.2B, as of September 5, 2026. Bitcoin has a fixed maximum supply of 21.0M BTC; Ethereum has no fixed supply cap. Bitcoin is available on 36 exchanges we have verified and Ethereum on 32; 32 list both.
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Side-by-Side
 Bitcoin |  Ethereum | |
|---|---|---|
| Market cap rank | #1 | #2 |
| Price | $79,639 | $2,452 |
| Market cap | $1.60T | $299.2B |
| Fully diluted valuation | $1.60T | $299.2B |
| 24-hour volume | $32.3B | $14.5B |
| Circulating supply | 20.1M BTC | 122.0M ETH |
| Maximum supply | 21.0M BTC | No fixed cap |
| All-time high | $126,080 (October 6, 2025) | $4,946 (August 24, 2025) |
| Change from all-time high | −36.8% | −50.4% |
| 7-day change | +2.5% | +0.4% |
| 30-day change | +23.1% | +28.6% |
| Category | layer-1 | layer-1 |
| Chains | the Bitcoin network | the Ethereum network |
| Launched | 2009 | 2015 |
Where You Can Buy Each
| Bitcoin | Ethereum | |
|---|---|---|
| Exchanges listing it | 36 | 32 |
| Countries and US states with a ranked buy page | 70 | 70 |
32 exchanges list both; 70 locations have a ranked buy page for both.
Frequently Asked Questions
- Which has the larger market cap, Bitcoin or Ethereum?
- Bitcoin, by about 5.3× as of September 5, 2026: $1.60T for Bitcoin against $299.2B for Ethereum.
- Does Bitcoin or Ethereum have a fixed supply?
- Bitcoin is capped at 21.0M BTC; Ethereum has no fixed maximum supply.
- Where can I buy both Bitcoin and Ethereum?
- 32 exchanges we have verified list both. Pick your location on the buy pages to see which serve you and what a $500 purchase costs.
- Which is older, Bitcoin or Ethereum?
- Bitcoin, launched in 2009. Ethereum launched in 2015.