The transaction fee is made up of two elements: The bottom charge and also the suggestion. The base fee is "burned" (deleted from existence) and the suggestion goes into the block proposer. The validator reward together with the ideas give the inducement to validators to maintain the blockchain increasing (i.e. https://enricoc626oid6.blogunteer.com/28406907/5-tips-about-bitcoin-balks-you-can-use-today