Block top - The block variety and size from the blockchain (in blocks) on creation of the present block Nonce - The transaction range to the from address (bear in mind this starts off at 0 so a nonce of 100 would actually be the one hundred and first transaction https://top10bookmark.com/story20400808/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092