Beginner's question

So far, I always ask about DAPP security. Can Dapp steal our private key or coin? Please explain.I am a beginner who does not understand this thing.

Legit one don’t do that but there is 2 way :

  1. Asking for your wallet recovery keys
  2. In smartcontract you can give them unlimited permission that they can transfer all your funds
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does dapp give permission for key recovery?Because on the dapp we can swap our coins.

no you just allow them for swapping coin a with coin b. if they ask for more than that just leave
you can check your wallet in here http://allowance.beefy.finance/ this site let you know permisions that you gave with contracts or swapping to others and just remove the unlimitade one. (this is for BSC)