{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In the Solana cluster, how far back in time do transactions need to use the blockhash?","a":"In the Solana cluster, transactions require the  use of blockhashes from approximately 144,000 previous blocks. This is because the Solana network employs the"}]}],"pr":"e60ac0463bc7dea71656f95a88e5a64cf3aa6fb6cecbbe5897e8ddcfde2918ab"}