How would ephemeral identities have a Web of Trust?
nostr:nprofile1qqs9pk20ctv9srrg9vr354p03v0rrgsqkpggh2u45va77zz4mu5p6ccpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qgkwaehxw309a5xjum59ehx7um5wghxcctwvshszrnhwden5te0dehhxtnvdakz7qrxnfk to build a good WoT, you will need to use the existing outbox model to find the trust drivers of the network, regardless of how you define what "trust" means for bitchat users.