Collators help the validators in consensus by constructing the parachain blocks. Collators retain a complete node for a particular Parachain and a full node from the Relay chain. For a Parachain full node, they retain all necessary information, like transaction facts, signatures, and state transitions, to assemble parachain blocks. The https://manueltdowg.weblogco.com/27954141/manual-article-review-is-required-for-this-article