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 begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://socialtechnet.com/story5881628/the-2-minute-rule-for-blockchain-explorer-solana-https-pinshape-com-auth-users-auth-google