Block peak - The block range and duration 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 truly be the 101st transaction submitted by this account) https://bookmarkmiracle.com/story22315375/what-does-eth-blockchain-explorer-mean-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers