Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount with the from address (Keep in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarkmiracle.com/story22010078/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-skitterphoto-com-photographers-1387379-jimenez-deleuran