Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://socialdosa.com/story10552786/5-tips-about-blockchain-explorer-you-can-use-today-https-notes-io-ww2s8