Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://sirketlist.com/story21921152/the-definitive-guide-to-explorer-blockchain-ethereum-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers