Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://bookmarklayer.com/story20866095/blockchain-explorer-usdt-trc20-fundamentals-explained-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba