Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://alphabookmarking.com/story20217604/5-tips-about-blockchain-explorer-you-can-use-today-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979