Block peak - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection 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://webnowmedia.com/story5889746/what-does-eth-blockchain-explorer-mean-https-www-giveawayoftheday-com-forums-profile-1172807