|  |  | 6. Agent to Agent (A2A) Communications Protocol | 6. DID Document Verification Layer | 
																			
																				|  |  | 6. DID Document Verification Layer | 5. Agents and Service Endpoints | 
																			
																				|  |  | 5. Agents and Service Endpoints | 4. DID Document Data Model | 
																			
																				|  |  | 4. DID Document Data Model | 3. Verifiable DID Layer: (DID, Keys) => Verifiable NYM Transaction (or equiv) | 
											
											
																			
																				|  |  | 3. Verifiable DID Layer: (DID, Keys) => Verifiable NYM Transaction (or equiv) | 2. DID Private/Public Key Pairs and Wallets | 
																			
																				|  |  | 2. DID Private/Public Key Pairs and Wallets | 1. DID Identifier Data Model: DID Syntax |