I've been using it mostly for Jumble, nostr:npub1nxy4qpqnld6kmpphjykvx2lqwvxmuxluddwjamm4nc29ds3elyzsm5avr7, using my npub.cash sign in with cashu.me, nostr:npub1jfujw6llhq7wuvu5detycdsq5v5yqf56sgrdq8wlgrryx2a2p09svwm0gx and my paid relay account management, but I'm sure I'm underutilizing it.