proprietary

mastery
UK /pɹəˈpɹaɪ.ə.tə.ɹi/ US /pɹəˈpɹaɪ.əˌtɛɹ.i/adjnoun

card 1 of 10 · context meaning

Which meaning of 'proprietary' best fits the sentence?

The tech startup's success was largely due to its proprietary algorithm, which no other company could replicate.