| Symmetric | Asymmetric | Group Broadcast |
Connection | Three-way handshake between two nodes, plus message for sharing pseudonyms | Diffie-Helman between each pair of nodes. | Three-way handshake between two nodes, plus message for sharing pseudonyms |
Messages | Single encrypted message for all neighbors | One encrypted message for each neighbor | Single encrypted message for all neighbors. |
Revocation | Single encrypted message for all neighbors | One encrypted message for each neighbor | Single encrypted message for all neighbors. |