Block height - The block amount and size on 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 really be the 101st transaction submitted by this account) https://whitebookmarks.com/story20589147/not-known-details-about-blockchain-explorer-usdt-trc20-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba