Which of the following statement$($s$)$ is $($are$)$ true?

I. Matchmaking is probably the kind of social scalability at which the Internet has most excelled.

II$.$ Matchmaking is facilitating the mutual discovery of mutually beneficial participants.

III. Online financial exchanges have brought social scalability in commercial matchmaking: searching for, finding, bringing together, and facilitating the negotiation of mutually beneficial commercial or retail deals.

IV$.$ Predominant direct social scalability benefit of blockchains is trust maximization.

V$.$ A blockchain can reduce vulnerability by locking in the integrity of some important performances $($such as the creation and payment of money$).$

Question $21$ options:

I, II$,$ III, IV

I, II$,$ III, V

I, II$,$ IV$,$ V

II$,$ III, IV$,$ V

All of the above