Block peak - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://seolistlinks.com/story21960955/the-2-minute-rule-for-blockchain-explorer-solana-https-notes-io-ww2s8