State Transition Systems
State Transition Systems are models that describe how a system moves from one state to another based on inputs or events. In the context of derivatives, a state transition might be the execution of a trade, which changes the balances of the participants and the margin levels of the protocol.
These systems are used to formally model the entire lifecycle of a financial instrument. By understanding every possible transition, developers can identify where the system might fail or be manipulated.
This is essential for verifying the correctness of stateful protocols. It allows for the use of model checking to ensure that the system only moves between safe states.
It provides a structured way to analyze complex, interactive financial processes. It is a key tool for system architects in the blockchain space.