Cyrillic is literally greek+glagolitic and it was partly a diplomatic creation of the Eastern Roman Empire(aka Byzantine Empire), in order to bring the slavs culturally closer to them.
Russians have nothing to do with it, other than them claiming they are the continuation of Eastern Roman Empire, something which is kinda laughable but whatever dont let your dreams be dreams.
Cyrillic is literally greek+glagolitic and it was partly a diplomatic creation of the Eastern Roman Empire(aka Byzantine Empire), in order to bring the slavs culturally closer to them.
Russians have nothing to do with it, other than them claiming they are the continuation of Eastern Roman Empire, something which is kinda laughable but whatever dont let your dreams be dreams.