Block top - The block number 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 truly be the a hundred and first transaction submitted https://thesocialcircles.com/story5968759/blockchain-explorer-usdt-trc20-fundamentals-explained-https-peatix-com-user-27717689