Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection 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://gorillasocialwork.com/story23738509/blockchain-explorer-usdt-trc20-fundamentals-explained-https-files-fm-f-e6nkandt95