Block top - The block selection and duration of 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://maximusbookmarks.com/story20682277/blockchain-explorer-usdt-trc20-fundamentals-explained-https-list-ly-churchkjeldsen86wpibju