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 a hundred and first transaction https://bookmarklayer.com/story20728514/explorer-blockchain-things-to-know-before-you-buy-https-atavi-com-share-xftxdaz1pgsb4