Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://socialbaskets.com/story6093807/the-blockchain-explorer-usdt-trc20-diaries-https-blogfreely-net-pathfrog8-blockchain-trackers-a-gateway-to-comprehending-copyright-transactions