How to destroy/burn a stamp?

To destroy/burn a stamp mean that you're going to burn supplies of your stamp. After burning, you won't hold your stamp anymore or just remaining depending of how many you choose to burn.

Go to BALANCE tab, to select the stamp you wanna destroy.

a window opens.

If you wanna burn all, just select your fee, click on ESTIMATE to see estimation then MINT.

Wait till the transaction is confirmed on https://mempool.space.