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://bookmarkingquest.com/story20507601/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg