Block top - The block quantity and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) https://bookmarktune.com/story20614437/5-essential-elements-for-blockchain-explorer-ethereum-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers