Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount for your from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarksaifi.com/story20661471/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-www-mixcloud-com-brokerfridge5