ETH is the native currency of the Ethereum chain used for gas fees and security.
ETH is a large-cap asset that represents the blockchain's native currency or monetary fee used to execute transactions on the network.
Ether (Tron) has no dependencies.
ETH has an uncapped supply but has inflation control or burn mechanisms in place. ETH on Starknet is backed 1:1 by ETH locked in the Starknet bridge protocol on the Ethereum chain.