You can remove your lnaddress from your profile if you don't want to recieve zaps. nostr:nprofile1qqs8suecw4luyht9ekff89x4uacneapk8r5dyk0gmn6uwwurf6u9ruspzpmhxue69uhkumewwd68ytnrwghszxthwden5te0wfjkccte9eekummjwsh8xmmrd9skctcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhs2juazd & geyser.fund are places you can send them to support nostr development. As you learn more, you may want to donate them directly to a project you like. Or you can donate them to any organization that accepts lightning payments without a lot of steps.