Cardano vs Ethereum
Cardano (ADA) ranks #19 by market capitalization at $9.5B and Ethereum (ETH) ranks #2 at $312.3B, as of October 12, 2026. Cardano has a fixed maximum supply of 45.0B ADA; Ethereum has no fixed supply cap. Cardano is available on 26 exchanges we have verified and Ethereum on 32; 25 list both.
Verified How we verify
Side-by-Side
 Cardano |  Ethereum | |
|---|---|---|
| Market cap rank | #19 | #2 |
| Price | $0.253 | $2,557 |
| Market cap | $9.5B | $312.3B |
| Fully diluted valuation | $11.4B | $312.3B |
| 24-hour volume | $386.6M | $9.7B |
| Circulating supply | 37.6B ADA | 122.1M ETH |
| Maximum supply | 45.0B ADA | No fixed cap |
| All-time high | $3.09 (September 1, 2021) | $4,946 (August 24, 2025) |
| Change from all-time high | −91.8% | −48.3% |
| 7-day change | −4.9% | −5.2% |
| 30-day change | +22.1% | +2.0% |
| Category | layer-1 | layer-1 |
| Chains | the Cardano network | the Ethereum network |
| Launched | — | 2015 |
Where You Can Buy Each
| Cardano | Ethereum | |
|---|---|---|
| Exchanges listing it | 26 | 32 |
| Countries and US states with a ranked buy page | 70 | 70 |
25 exchanges list both; 70 locations have a ranked buy page for both.
Frequently Asked Questions
- Which has the larger market cap, Cardano or Ethereum?
- Ethereum, by about 32.9× as of October 12, 2026: $9.5B for Cardano against $312.3B for Ethereum.
- Does Cardano or Ethereum have a fixed supply?
- Cardano is capped at 45.0B ADA; Ethereum has no fixed maximum supply.
- Where can I buy both Cardano and Ethereum?
- 25 exchanges we have verified list both. Pick your location on the buy pages to see which serve you and what a $500 purchase costs.