Block height - The block range and duration in the blockchain (in blocks) on generation of the current block Nonce - The transaction variety to the from address (Remember this starts at 0 so a nonce of one hundred would essentially be the 101st transaction submitted by this account) Contract https://bouchesocial.com/story22715397/the-best-side-of-explorer-blockchain-usdt-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources