Block top - The block selection 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 101st transaction submitted by this account) https://macrobookmarks.com/story20408858/top-guidelines-of-eth-blockchain-explorer-https-peatix-com-user-27717689