Glossary

• The Streamr network is a distributed, peer-to-peer publish-subscribe system.
• A peer is any participant in the Streamr peer-to-peer network.
• A tracker is a peer that helps nodes discover other nodes. It keeps track of the global network topology, based on which it sends instructions to nodes.
• A node is a peer that propagates data in the Streamr network.
• A broker (or broker node) is a node that also includes client-facing functionality via adapters and provides message persistence via storage solutions.
• A client is an end-user (software) that connects to a broker to use the Streamr network .
• A stream is a collection of messages uniquely identified by an id (and a partition).
• A publisher is a client that connects to a broker and publishes messages to stream(s).
• A subscriber is a client that connects to a broker and subscribes to the messages of stream(s).