Block peak - The block selection and length from the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (Keep in mind this commences at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://bookmarkingalpha.com/story20695858/the-ultimate-guide-to-eth-blockchain-explorer-https-intensedebate-com-people-hawkwhorl3