Block height - The block amount and size on the blockchain (in blocks) on development 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://leftbookmarks.com/story20286663/details-fiction-and-explorer-blockchain-ethereum-https-500px-com-p-barrkijrooney