Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://social4geek.com/story6216349/explorer-blockchain-things-to-know-before-you-buy-https-www-giveawayoftheday-com-forums-profile-1172807