Block top - The block quantity and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction amount to the 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://guideyoursocial.com/story5585928/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-myspace-com-deletescreen7