Nothing. Submitting a work to Creations is free.
Selling your work
How do I get paid?
FAQ
Directly, at the moment of sale. A buyer's wallet pays yours — there is no payout schedule,
What do I actually receive?
FAQ
The price, minus the platform fee — 10% of the price or 1,000 satoshis, whichever is greater.
Does the buyer see who I am? Do I see who they are?
FAQ
You see the buyer's username against your sales. You do not see their email address.