Block top - The block range and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://dailyuploads.net/kv21pr0676da/Delving_into_the_Invisible_The_Importance_of_Blockchain_Explorers_in_the_Crypto_Worldznmrd.pdf