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 (Keep in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://directmysocial.com/story5421146/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-notes-io-ww2s8