Cardano is one of the largest layer-1 blockchains by market capitalization but what does the DeFi ecosystem offer for staking?

How to stake Cardano (ADA) in a self-custodial wallet](https://cointelegraph.com/news/how-to-stake-cardano-ada-in-a-self-custodial-wallet))
Cardano is one of the largest layer-1 blockchains by market capitalization but what does the DeFi ecosystem offer for staking?