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 truly be the a hundred and first transaction submitted https://bookmarkworm.com/story20190635/the-blockchain-explorer-usdt-trc20-diaries-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua