The short answer not all crypto can be staked or not at least in the same way. Sorry if this like is confusing. Let me explain. If you want to stake your crypto in a staking pool then you need to know what all staking the pool supports.
There are various pools that support staking for example if you visit https://robiniaswap.com/pools you can see what all cryptos you can stake the APR return and any deposit fee that many apply. So either you can convert your crypto to one of these cryptos or look for another pool. I am focusing on BSC or binance based tokens because the fee for staking and harvesting rewards is super low as compared to ETH based staking. Even if your crypto is not in a list or you cannot find a pool that supports it you can always head to https://www.binance.com/?ref=20253166 here you can create account/login and see the staking options. So here you can usually also stake otherwise unstakable coins like BTC and earn a reward. Though this type of staking. Hope this info helps

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