Block top - The block number and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction range with the from address (Remember this begins at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) Agreement https://thebookmarkplaza.com/story20217707/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers