“In health care, these inefficiencies are in clinical areas and in administrative areas – or just friction that happens in the system which leads to bad customer experience,” says IBM's Barbara Hayes. (Photo: Shutterstock)

Titans of tech, finance and health care are teaming up to develop a blockchain network that they believe will make the health care payment system more efficient.

The collaboration involves IBM, Aetna, Anthem, Health Care Services Corporation and PNC Bank. IBM described the effort as a paradigm-shifting attempt by competitors to work together to reduce costs.

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