Block peak - The block variety and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection 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://thekiwisocial.com/story5760292/5-simple-statements-about-blockchain-explorer-solana-explained-https-intensedebate-com-people-hawkwhorl3