{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do interoperability protocols ensure the security of payments across different ledger types?","a":"Digital signatures: Apply digital signatures to payment instructions to verify the integrity and origin of  the instructions, ensuring that payment requests come from legitimate initiators."}]}],"pr":"b414c61158da8d271544ff62196b410d276bc8e7551e74abf99f71760c08dfae"}