Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://dailyuploads.net/kv21pr0676da/Delving_into_the_Invisible_The_Importance_of_Blockchain_Explorers_in_the_Crypto_Worldznmrd.pdf