Block peak - The block range 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://webcastlist.com/story21894792/the-2-minute-rule-for-blockchain-explorer-solana-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw