Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (Remember this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted by this https://bookmarkfame.com/story20455316/details-fiction-and-explorer-blockchain-ethereum-https-www-blurb-com-user-optionname7