"We Europeans don`t have the capacity to exploit our own data. I don`t think this can carry on this way," Sapin told a news conference.
SWIFT, or Society for the Worldwide Interbank Financial Telecommunications, operates service transmitting letters of credit, payments and securities transactions among 9,700 banks in 209 countries.
Sapin spoke as the spotlight shines on financing of militant groups in the aftermath of the attacks in Paris on Nov. 13 by Islamic State-backed gunmen and bombers.
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