Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkpressure.com/story20614119/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04