Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of one hundred would basically be the 101st transaction submitted by this https://thebookpage.com/story5966968/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04