Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Agreement creation https://bookmark-master.com/story20446695/5-easy-facts-about-blockchain-explorer-api-described-https-lamm-tolstrup-3-blogbright-net-investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world