Earlier quoted context omitted.
Venture: 1. We did apply to YC a few months ago, but was rejected in the interviews because they felt that the total addressable market was low. We don't know if other VCs will feel differently and we haven't applied anywhere else since. Perhaps paid subscriptions is in a way public funding? :) 2. The rate at which photos are being taken (a trillion a year), we believe that the market is large enough for multiple pla…
I've been thinking of a similar system with e2e sharing of content and I'd love to pick your brain on this if you don't mind :) - What made you go with libsodium over using the browsers Web Crypto API? - If you stop sharing an album with someone, do you somehow re-encrypt the collection key or is the recipient still in possession of all the necessary keys to decrypt the data if they get their hands on it?
- There are access control checks in place to revoke access to files from removed album participants. But from a cryptographic standpoint, once your keys have been shared (/compromised), the respective files should be re-encrypted.