To deposit or withdraw IBC tokens on SiennaSwap, follow these steps:
Using the menu bar on the left-side of the SiennaSwap app, navigate to the "Wrap" section.
In the Wrap drop-down menu, select "IBC".
In the IBC section, you will see options to deposit or withdraw IBC tokens. If you want to deposit, select "IBC Deposit", if you want to withdraw, select "IBC Withdrawal". You will then be prompted to select your desired token and amount.