https://www.youtube.com/watch?v=FESp2LHd42U&pp=ygUYbWVzc2FnaW5nIGxheWVyIHNlY3VyaXR5

It clearly shows the difference between nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqppemhxue69uhkummn9ekx7mp0qyg8wumn8ghj7cfwdehhxtnvdakz7qg7waehxw309ahx7um5wgkhqatz9emk2mrvdaexgetj9ehx2ap0ausuw9 's encrypted chat approach and my groups proposal. MLS introduces a binary tree to manage key sharing with many of the same benefits as the simpler key sharing mechanism but with a ratchet algorithm that requires a logarithmic number of messages to be sent compared to the number of group participants.