preRegistrationUsername
Username pre-registration using centralized verification via Core.sol
registrationUsername
Username registration completion using centralized Core.sol verification
makeOffer
Create a time-bound marketplace offer to purchase a registered username with locked principal tokens
withdrawOffer
Cancel a marketplace offer and retrieve locked principal tokens back to offeror
acceptOffer
Accept a marketplace offer to transfer username ownership and complete the sale
renewUsername
Extend username registration by 366 days with dynamic pricing based on timing and marketplace demand