Block height - The block amount and size on 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 really be the 101st transaction submitted by this account) https://ok-social.com/story6238246/details-fiction-and-explorer-blockchain-ethereum-https-500px-com-p-barrkijrooney