Node Types

Basic types of nodes

These are the basic types of nodes that operators might want to maintain:

Node type	Has latest state root?	Performs state transitions?	Keeps historical states?	Keeps historical txes?
Data availability node	🚫 No	🚫 No	🚫 No	✅ Yes
Light node	✅ Yes	🚫 No	🚫 No	🚫 No
Full node	✅ Yes	✅ Yes	🚫 No	❓ (likely No)
Archive node	✅ Yes	✅ Yes	✅ Yes	❓ (likely Yes)
IBC relaying node	✅ Yes	✅ Yes	✅ Yes	✅ Yes

Specific requirements

More details on the requirements for an IBC relaying node can be found here, for example:

• hermes/docs/spec/relayer/Data-Requirements.md
• Hermes versus App/SDK/Tendermint Configuration