## Definition of Done - [x] Define the (full) name for the introduced consensus parameter - [x] Define the expected behaviour for the introduced parameter - Namely, given its value `X` and current height `H`, whether BFT Time or PBTS is enabled at height `H`. - [x] Define the rules to updating the introduced parameter - Namely, given its current value is `X` , the current height is `H`, whether the new value `X*` is accepted