Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://webookmarks.com/story6055060/not-known-factual-statements-about-blockchain-explorer-tool-https-www-instapaper-com-p-16864836