IC 5-36-1-8: "Node"

Sec. 8. "Node" means software:

(1) that:

(A) communicates with other devices or participants on a blockchain to maintain consensus and integrity of the blockchain;

(B) creates and validates blocks of transactions;

(C) contains and updates a copy of a blockchain; or

(D) performs any combination of the functions described in clauses (A) through (D); and

(2) that does not exercise discretion over transactions initiated by the end user of a blockchain protocol.