Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://getsocialselling.com/story5725055/blockchain-explorer-search-an-overview-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions