Block top - The block selection and length of the blockchain (in blocks) on creation 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://bookmarkspiral.com/story20606067/5-tips-about-blockchain-explorer-you-can-use-today-http-king-wifi-win-index-php-title-boelkamper2160