both the exchange and unconfirmed transaction that has been pending for long.
You are asking about your Deposit to an exchange, Binance or Remitano, and you must know basics about Deposits.
Exchanges won't credit your Deposit to your account if that Deposit transaction was not confirmed on-chain, at least 1 confirmation. Each exchange has its own policy on how many confirmations is enough for credit it to your account.
Binance requires 2 confirmations.
Why Hasn’t My Deposit Been Credited?Remitano requires 1 confirmation.
How long does it take to send or receive Bitcoin/Ethereum/... to my Remitano Wallet?If that on chain transaction was not confirmed, it's pending on Bitcoin mempools and no exchange will credit it to your account.