Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmark-nation.com/story20055209/not-known-details-about-blockchain-explorer-usdt-trc20-https-www-webwiki-ch-cryptoexplorerhub-com