Block peak - The block range and duration with the blockchain (in blocks) on generation of the present block Nonce - The transaction number with the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarksystem.com/story20348586/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html