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 off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Agreement https://bookmarkworm.com/story20171945/a-review-of-blockchain-explorer-usdt-https-lamm-tolstrup-3-blogbright-net-investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world