Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://hylistings.com/story21839698/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-www-holycrossconvent-edu-na-profile-rosenberghbnborg32409-profile