Before depositing, make sure that your coin is supported on P2B.

1. Go to the [Balance] page.
2. Find your currency.
3. Click on the [Deposit] button.
   
4. Choose a network (if required).
   
5. Here you can see supported token contract on P2B.
   

If a contract of P2B supported currency matches with your currency on the wallet or other exchange, feel free to deposit.

Contract address guides for different wallets:

Metamask: https://support.metamask.io/hc/en-us/articles/360059683451-How-to-find-a-token-contract-address

TronLink: https://tronlinkorg.zendesk.com/hc/en-us/search?page=1&query=contract&utf8=%E2%9C%93#results