Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://letsbookmarkit.com/story20678482/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg