<Tr> <Td> 13 - 3 - 2012 </Td> <Td> Eurobank </Td> <Td> Government of Greece </Td> <Td> 4.633 </Td> </Tr> <Tr> <Td> 13 - 3 - 2012 </Td> <Td> National Bank of Greece </Td> <Td> Government of Greece </Td> <Td> 7.612 </Td> </Tr> <Tr> <Td> 13 - 3 - 2012 </Td> <Td> Piraeus Bank </Td> <Td> Government of Greece </Td> <Td> 5.516 </Td> </Tr> <Tr> <Td> 25 - 3 - 2012 </Td> <Td> Laiki Bank </Td> <Td> Bank of Cyprus </Td> <Td> 10.812 </Td> </Tr>

The insolvency of a bank can spread and cause a financial crisis due to