Block top - The block number and length of the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of one hundred would in fact be the a hundred and first https://bookmarkinglive.com/story21133222/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions