‘Honors’ for Tinubu Square, the only European company in top 5. PARIS--(BUSINESS WIRE)--Tinubu Square, a leading provider of credit insurance, surety and trade finance solutions, has reached the final “top 5” of the inaugural Global Corda InsurTech Challenge, a competition that rewards blockchain insurance startups and the innovation investment arms of insurance companies. Organised by R3, the enterprise blockchain software developer with an ecosystem of more than 300 participants across multiple…