Block top - The block number and length from the blockchain (in blocks) on creation of the present block Nonce - The transaction number 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://socialicus.com/story6312433/not-known-details-about-blockchain-explorer-usdt-trc20-https-files-fm-f-e6nkandt95