Whenever you're ready, walk me through how you'd approach this.
Design an anonymous group messaging app where identities are hidden and unique per group.
Asked in the Round 5 stage. Mostly client side focused with some back-end design.
Discuss how the mobile client creates and persists a distinct pseudonym for each group, sends and receives messages securely, and handles offline use. Explain the minimum backend needed for group membership, message delivery, synchronization, and abuse prevention. If adding ML, describe where inference belongs without exposing a user's real identity.