Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would basically be the one hundred and first transaction submitted https://bookmarksurl.com/story6255088/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw