Block top - The block range and size in the blockchain (in blocks) on creation of the current block Nonce - The transaction number with the from address (Keep in mind this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this https://bookmarkpressure.com/story20465968/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-skitterphoto-com-photographers-1387379-jimenez-deleuran