For an Executor to service certain use cases and earn fees from doing so, they will have to acquire a certain amount of Gelato tokens before applying to be voted within the network. Requiring Executors to stake creates accountability and incentivizes them to behave in the best interest of the protocol. The higher their stake, the more fees they will be able to earn. Also the more Gelato tokens these Executors acquire to service more tasks, the higher their accountability becomes. This is because if they act in malicious ways that are not in the best interest of the protocol and the end-user, they risk having their stake slashed. This makes any potential "attacks" on the network nonsensical and uneconomical. Not only are these bad actors economically penalized, but they are also susceptible to having their social reputation tarnished creating a more robust and resilient network.