Block top - The block amount and duration from the blockchain (in blocks) on development of the current block Nonce - The transaction quantity for 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://wearethelist.com/story22801170/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-forum-issabel-org-u-optionray7