If the validator created less than 90% of the expected number of blocks during the validation period, then it is considered idle.
At the moment, for testing, idle validators will be fined for symbolic 101 coins (this is significantly less than the reward for the validation period).
Users of mytonctrl need to do next commands:
update and then upgrade. Please do not update all validators at the same time.The next big task is to make the functionality of slashing cheating validators.