Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://todaybookmarks.com/story20368235/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-atavi-com-share-xftxdaz1pgsb4