Wallet choices for Osmosis
Currently, staking is available using the Keplr mobile app that can sync with Chrome accounts, and the Keplr web-based wallet, accessible via the Keplr wallet homepage or the Osmosis application.
You can also participate in Superfluid Staking on Osmosis to simultaneously participate in liquidity pools and also stake their LP tokens to Coinbase's validator, earning rewards for both forms of participation.