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 begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://peakbookmarks.com/story20313482/not-known-details-about-blockchain-explorer-usdt-trc20-https-www-blurb-com-user-optionname7