Block top - The block quantity and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this https://tbookmark.com/story20477595/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-www-multichain-com-qa-user-knotdrop3