Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would essentially be the a hundred and first transaction https://get-social-now.com/story6021983/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04