In order to secure the 10bn euros, agreed by the EU and IMF, Cyprus was forced to wind up one major bank and write-off of a large portion of secured debt and uninsured deposits in the largest bank, Bank of Cyprus.

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Through its banking subsidiaries, Whitney engages in commercial and retail banking and in trust business, including the taking of deposits, the making of secured and unsecured loans, the financing of commercial transactions, the issuance of credit cards, the delivery of corporate, pension and personal trust services, investment services and safe deposit rentals.

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That implies Greek banks have almost no spare assets to pledge for secured loans, if they are to keep anything back to cover the money they have borrowed in the form of deposits from ordinary Greek citizens.

BBC: Business