Capability-based Financial Instruments: http://www.erights.org/elib/capability/ode/index.html http://www.erights.org/elib/capability/ode/index.html Although th

Capability-based Financial Instruments: http://www.erights.org/elib/capability/ode/index.html http://www.erights.org/elib/capability/ode/index.html Although this paper does not directly address the blockchain, I believe it and the thesis below are at the root of the concept. (If you want to go down the rabbit hole, check out the references page of the above paper). Fair warning, the above paper is from 1999/2000 so obviously much has changed, but still worth reading. Robust Composition: Towards a Unified Approach to Access Control and Concurrency Control by Mark Samuel Miller: http://www.erights.org/talks/thesis/ http://www.erights.org/talks/thesis/