To make your token not-reissuable you should launch Waves.Exchange, navigate to the Wallet tab, then open the My Issued Tokens folder, hover the necessary token and click on the three-dot icon:
After that click Token Reissue in the pop-up window and fill the appeared form:
In the Quantity of tokens to be reissued field type 1. To change the status of the token just select the Not reissuable status. Then click Continue.
In the following window double-check the entered data and if everything is correct click Send or click Go Back to make corrections.
After that, it won't be possible to reissue the selected tokens.
If you have any questions related to Waves.Exchange, feel free to contact us via customer support.
tags: token reissue not reissuable status change supply