Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://funny-lists.com/story21839486/details-fiction-and-explorer-blockchain-ethereum-https-500px-com-p-barrkijrooney