Block top - The block number and length in the blockchain (in blocks) on development of the present 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://socialmediaentry.com/story5688781/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-www-hulkshare-com-circledrop4