Yeah notedeck was built like this from the ground up, and damus ios is in the process of switching to it.
p2p is still hard. I’m looking into local sync using negentropy ( nostr:nevent1qqst670lhr7lmttdl0nta8l2s6d37yk4vrhulnddtyftcak3vgyt07cpzpmhxue69uhkummnw3ezuamfdejszxrhwden5te0wajkccm0d4jjumn0wd68ytnhd9hx2qg5waehxw309aex2mrp0yhxgctdw4eju6t0qyxhwumn8ghj7mn0wvhxcmmv4duvv6 ) but relays aint going away
nostr:npub1g53mukxnjkcmr94fhryzkqutdz2ukq4ks0gvy5af25rgmwsl4ngq43drvk has been looking into webrtc p2p stuff. Still early days
