Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this https://hyperbookmarks.com/story20680335/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-md-farafin-de-0k9kbddstjwuieqthhbjgg