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 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)