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 a hundred and first transaction submitted https://toplistar.com/story22753224/blockchain-explorer-usdt-trc20-fundamentals-explained-https-skitterphoto-com-photographers-1387379-jimenez-deleuran