Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction number for your from address (Remember this begins at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) Deal generation https://apollobookmarks.com/story20464015/the-ultimate-guide-to-eth-blockchain-explorer-http-bioimagingcore-be-q2a-user-storegarlic8