> ## Documentation Index > Fetch the complete documentation index at: https://docs.verity.usher.so/llms.txt > Use this file to discover all available pages before exploring further. # Protocol > Verity's protocol is a sequence of specific steps between the network of nodes, resulting in proof of data flows. The following sequence diagram illustrates the interaction between each role in the Verity Protocol: Verity Protocol Core Sequence Diagram ## Notary Participation The following sequence diagram highlights the interactions necessary for the Notary to participate as a verified entity in the Verity Protocol: Verity Protocol Notary Participation Sequence Diagram **For Provers, the Verifier state is the only source of truth.**