For the average Greek, capital controls have now gone from threat to reality. But what does this mean in practice?
On Monday morning, employees of the National Bank of Greece, the country's largest commercial bank, were continuing to go to work in Athens' Syntagma Square -- even though the bank is closed to customers.
ATMs were shuttered, but expected to open at noon, a security guard told CNBC. The Athens Stock Exchange will be closed all week too.