Cardano is a proof-of-stake smart contract blockchain built with a research-led engineering process. ADA is used for staking, governance and transaction fees across applications that target identity, finance, payments and token issuance.
The Cardano price in AUD is usually evaluated through staking participation, network upgrades, app usage and developer traction. Cardano's market case depends on converting its formal design and active community into practical decentralised application demand.