DUST sponsorship: How one wallet pays fees for another user's transaction

DUST sponsorship: How one wallet pays fees for another user's transaction Every transaction on Midnight consumes DUST. New users start with a DUST balance of zero, which creates a problem; how can they submit transactions if they cannot pay fees, especially the transactions needed to acquire NIGHT tokens in the first place? DUST sponsorship solves this. A sponsor (typically a backend wallet) that already holds NIGHT tokens and has accumulated DUST covers the fee portion of another user's transac