maltefr is a curator and writer on blockchain-based art and head curator at glitch, a gallery for internet objects in Marfa, Texas. His essay Computation in the Expanded Field defines protocol art.
Purging storage on Ethereum to enhance the chain is maybe the only possibility for some of these works to get permanently lost.
maltefr, Protocol Art & Blockchain Formalism
Some of the concepts that were used by artists and by others in this space in just a colloquial way were basically a recoding of some formalist terms, like medium specific or blockchain native.
maltefr, Protocol Art & Blockchain Formalism