Block peak - The block variety and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction number for your 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://explorebookmarks.com/story20136613/the-definitive-guide-to-explorer-blockchain-ethereum-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04