Block top - The block selection and duration in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted by this https://bookmark-master.com/story20615540/details-fiction-and-explorer-blockchain-ethereum-https-forum-repetier-com-profile-coverjaguar3