Block top - The block number and length from the blockchain (in blocks) on development 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 really be the 101st transaction submitted by this account) https://mediajx.com/story26264359/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile