From my understanding, Polkadot has
sudo governance in the initial phase. Currently, Polkadot completely changed into on-chain governance by
How did Polkadot implement this transition?
In the initial phase, Polkadot used
sudokey will configure in chain spec. If Polkadot removes
sudokey, it's mean that Polkadot will change the genesis state -> Polkadot will reset the chain?
When Polkadot had this transition? As calculation, it's approximately
about 2 years 3 monthsago.