Block top - The block selection and duration in the blockchain (in blocks) on creation of the current block Nonce - The transaction range for the from address (bear in mind this begins at 0 so a nonce of one hundred would basically be the 101st transaction submitted by this https://bookmarkstown.com/story20770456/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-mlx-su-paste-view-d02eef60