| Cardano | Ethereum | |
|---|---|---|
Launched | 2017 | 2015 |
Main purpose | Apps, payments, and smart contracts, built on peer-reviewed research | A platform for apps and smart contracts |
How transactions are agreed | Staking (proof of stake) | Staking (proof of stake) |
Maximum supply | 45 billion | No fixed maximum |
Typical settlement time | About 20 seconds | About 12 seconds |
Who decides on changes | ADA holders can vote on network decisions | Developers and the community, through an open proposal process |
Like any digital asset, Cardano's price is set by supply and demand on exchanges around the world. A few things tend to affect it:

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