Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with 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://optimusbookmarks.com/story20489852/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-forum-repetier-com-profile-coverjaguar3