You misunderstood my comment. The novel part isn't the data structure, its the consensus mechanism tied to that specific datastructure. The fact that is used to

You misunderstood my comment. The novel part isn't the data structure, its the consensus mechanism tied to that specific datastructure. The fact that is used to implement cryptocurrencies and whatnot is irrelevant - you can implement crypto without "blockchain" (by using a typical non-distributed datastructure, called "a database"). In fact, the buzzword for that is "private blockchain".