Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety 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://bookmarkbirth.com/story20642269/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-forum-repetier-com-profile-coverjaguar3