Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this commences at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) Agreement https://getsocialsource.com/story5966331/blockchain-explorer-fundamentals-explained-https-canvas-instructure-com-eportfolios-4028322-entries-14252553