If I send you a token, you should swap it with the mint for a fresh token, as I might have given you a token that has already been spent

So then there are fees to be paid for that swap

(Unless I misunderstood you, nostr:nprofile1qqs2yzclywsxenn3ndlj3jmtwenjv90hqylsgpqzwfrjfca3td3k60qpzpmhxue69uhkummnw3ezumt0d5hsz9thwden5te0wfjkccte9ejxzmt4wvhxjme05xjthy)