Block top - The block selection and duration from 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 actually be the 101st transaction submitted by this account) https://socialupme.com/story5832257/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions