Block height - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://hyperbookmarks.com/story20287691/the-definitive-guide-to-explorer-blockchain-ethereum-https-rentry-co-4vomqtzo