Yes luckily the code is OS and review and recommend by many trusted community members.

That’s exactly how I use zaps on Damus, via Zeus’s connected to my node. Alternatively, there’s always the nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5 node-in-the-phone option, or the usual (custodial options), WOS, etc.