The Swiss National Bank and the Swiss Finance Ministry are part of the conversations with lenders, one source said. A representative for the finance ministry said that the issue of bank runs is part of an overall evaluation of the too-big-to-fail regulatory framework in Switzerland. Regulators worldwide have since been grappling with the risk of bank runs, which in the era of digital banking have accelerated in speed. Financial regulators will need to make sure that banks retain adequate financial buffers as advances in technology increase the risk of bank runs, Bank of England executive director for markets, Andrew Hauser, said on Friday at a conference in London. They risk penalizing Swiss banks if they were to be introduced only in Switzerland, one of the sources said.

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Persons: SNB, Zürcher, PostFinance, Raiffeisen, Andrew Hauser, Thomas Jordan, Stefania Spezzati, Oliver Hirt, Elisa Martinuzzi, John O'Donnell, Paritosh Bansal, Nick Zieminski Organizations: UBS, Swiss National Bank, Swiss Finance Ministry, Reuters, Swiss, Raiffeisen, Credit Suisse, Regulators, Bank of England, Thomson Locations: ZURICH, Switzerland, Swiss, Zurich, U.S, London, Bern