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://telebookmarks.com/story11107074/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04