Block top - The block number and length from the blockchain (in blocks) on creation of the present block Nonce - The transaction selection for the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Agreement creation https://captainbookmark.com/story20162665/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-lamptie2-bravejournal-net-beyond-these-blocks-discovering-the-realm-of-distributed-ledger-explorers