--- sidebar_position: 2 --- # Tangle A tangle is a set of interlinked messages published by a peer. In computer science terms, it's an Directed Acyclic Graph (DAG) with only one source node, where all the "nodes" are messages, and "edges" are links between messages. ```mermaid graph RL; D--"A"-->C--"A"-->B--"A"-->A; F-->E-->C; G-->D & F; style A color:red; ``` The root is... The tangle is identified by the hash of its root message.