{"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":"8bc11049f3ae2894e565ff728ec4a2d03f9b0f32aa5ab0fcf33ce48a8d7cb5fd"}