Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Remember this commences at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) Contract https://bookmarkgenius.com/story20397215/top-guidelines-of-eth-blockchain-explorer-https-canvas-instructure-com-eportfolios-4028322-entries-14252553