In your wallet on Steem Engine you can stake them: https://steem-engine.com
Alternatively, you can stake them within their own frontends wallets, which are usually the Steemit condenser open source, for example https://www.steemleo.com/@conradsuperb/transfers, for the LEO wallet of yours.
Thanks bro, that helps a lot !! Let’s keep building this 💪🏻
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