Collators guide the validators in consensus by setting up the parachain blocks. Collators retain an entire node for a certain Parachain and an entire node in the Relay chain. Like a Parachain whole node, they keep all needed details, like transaction info, signatures, and condition transitions, to build parachain blocks. https://gunnerwazxz.luwebs.com/29102929/manual-article-review-is-required-for-this-article