Block height - The block variety and length from the blockchain (in blocks) on generation of the current block Nonce - The transaction range for the from address (bear in mind this starts off at 0 so a nonce of 100 would truly be the a hundred and first transaction https://bookmarkfame.com/story20454836/not-known-details-about-blockchain-explorer-usdt-trc20-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources