Your JoshWho Wallet shows the token balance you have in JWD and you can also add funds to it Via Credit Debit card.
JWD is just what we call the tokens you can purchase to use for Premium Subscription Service, Channel Promotions, and Video Promotions.
JWD = JoshWho Dollar
$1.00 USD = $1.00 JWD
More Info about it here:
https://www.joshwhotv.net/2021/10/28/trying-out-a-new-creator-reward-concept-now-creators-earn-jw-dollars-that-can-be-used-for-other-services-on-joshwho-tv/