Privacy Idea Generator
We collected the best ideas that have yet to come to life — we asked experts and privacy partners what they would like to see hacked soon.
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ResetPrivate email recovery
ProtonMail stores users' recovery emails in plaintext, and recently had to hand over an activist's recovery email (iCloud) to the Spanish authorities. Instead, it could store some seeded hash of the recovery email, send the seed to the recovery email, and require a zkEmail proof to prove knowledge of preimage + control of the recovery email. Private state: plaintext recovery email address
verifiably ephemeral messenger
Person sends a message - you read it. Message exists for a day and with verifiable computation (maybe a TEE?). You can prove there is no stored metadata or data on either device
Nym
Encrypted Group Chat with Onchain Permissions
A Signal-like UX with onchain-controlled access and membership gating — perfect for DAOs, squads, or gated alpha groups. Private state: membership lists, messages, channel keys
FairBlock
Messenger protocol
private messenger protocol (having the possibility of multiple UIs: cli, web, mobile app).