Common causes
The network is busy and your fee was low, so the transfer is waiting to be confirmed.
The funds were sent on a different network from the one the receiver uses — for example USDT on Tron instead of Ethereum.
An exchange is holding a deposit until it reaches enough confirmations.
Blockchain transfers are final
Nobody, including BTOKEN, can reverse a confirmed transfer. Our team can trace it and tell you what happened and what your options are.