1. A method that comprises a computer system configured to: issue at least one warrant to a participant, in which the warrant is convertible into at least one ownership share of an entity associated with a marketplace; receive information associated with the participant's execution of trading activities in the marketplace; determine, based on the received information, a quantity of warrants eligible for conversion into ownership shares; convert the eligible warrants into a quantity of ownership shares; and transmit an indicia indicating the quantity of ownership shares.