nostr:npub1zuuajd7u3sx8xu92yav9jwxpr839cs0kc3q6t56vd5u9q033xmhsk6c2uc how would you rate the following on two dimensions: privacy (worst, ok, best), and complexity/effort to build (t-shirt size: XS, S, M, L, XL)

nip-04

nip-17

giftwrap (not sure if this signal approach)

MLS