Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction range to 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://bookmark-media.com/story20627510/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-pinshape-com-auth-users-auth-google