Block height - The block quantity and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkfly.com/story20457505/the-definitive-guide-to-explorer-blockchain-ethereum-https-independent-academia-edu-drewandreassen4