Fintech startup Veefin Solutions has acquired a 50% stake in GenAI startup Walnut in an all-cash deal.Walnut's GenAI capabilities will help Veefin Group transform unstructured data into actionable insights for corporate and banking clients.Walnut will continue to operate independently after the acquisition.Veefin has been expanding its ecosystem through acquisitions and reported a profit of INR 4.13 Cr in Q2 FY25.