Block top - The block selection and duration of the blockchain (in blocks) on generation of the present block Nonce - The transaction range for that from address (bear in mind this starts at 0 so a nonce of a hundred would essentially be the a hundred and first transaction https://tornadosocial.com/story6308066/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg