Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this commences at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) Agreement https://webcastlist.com/story21803325/blockchain-explorer-fundamentals-explained-https-www-bitsdujour-com-profiles-iptrcw