You can view the list of supported assets and networks on: https://exchange.coinbase.com/assets
Please make sure you are depositing assets which are supported by Coinbase Exchange.
Coinbase Exchange cannot recover these assets or funds. Should a network be supported in the future, your deposits may automatically be credited to your account.
At this time Coinbase Exchange does not support neither BNB Chain nor the Binance Smart Chain (BSC).
BEP2 or BEP20 tokens deposited to any Coinbase Exchange address will not be credited and will result in a permanent loss.