Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range for 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://socialrus.com/story21521382/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-notes-io-ww2s8