There are trade-offs with every financial system, and ways of using each in a way that mitigates its disadvantages. Smart contracts on a general computing plat

There are trade-offs with every financial system, and ways of using each in a way that mitigates its disadvantages. Smart contracts on a general computing platform can enable anything, including the reversible payments and reliance on trusted third party delegates that you see in traditional banking, so as a consequence of this maximally expansive design space, I assume they will eventually lead to a financial system that offers a much better set of trade-offs than that of any other financial system.