Block top - The block selection and duration on 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 really be the 101st transaction submitted by this account) https://bookmarksoflife.com/story5915694/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-hedgedoc-k8s-eonerc-rwth-aachen-de-0szjqhm8rceyuj2fq5ha9g