Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range 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://onlybookmarkings.com/story20618986/everything-about-blockchain-explorer-https-heavenarticle-com-author-pathpastor4-452336