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://socialtechnet.com/story5750595/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-canvas-instructure-com-eportfolios-4028322-entries-14252553