He's probably refering to itkacl, which we use for authorization/acls (not payments). The README (and the code) can be found here: https://git.sesse.net/?p=itka

He's probably refering to itkacl, which we use for authorization/acls (not payments). The README (and the code) can be found here: https://git.sesse.net/?p=itkacl;a=blob;f=README;h=3dcb059f306140838f22dd6fd8541a5a9e5a26b8;hb=HEAD https://git.sesse.net/?p=itkacl;a=blob;f=README;h=3dcb059f30...