Block height - The block quantity and duration from the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkinglife.com/story5810499/blockchain-explorer-usdt-trc20-fundamentals-explained-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources