Block peak - The block variety and size with 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 actually be the 101st transaction submitted by this account) https://captainbookmark.com/story20166082/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04