Also on the platter is advice to put money in virtual currencies, especially in the wake of Bitcoin ATMs becoming operational in Zurich.
As hundreds of world's rich congregate for the World Economic Forum Annual Meeting in the Swiss Alpine resort town of Davos, many of them have also scheduled meetings with Swiss bankers to devise new strategy for their hidden wealth.
While representatives from the large banks said they are advising their clients about potential risks associated with keeping their hidden wealth here, those associated with many smaller banks claimed risks are relatively lesser when using the services of cash vaults, which however come with a higher price tag in terms of service fees, maintenance charges and rentals.
None of the bankers are willing to talk on record with regard to their dealings with rich clients from abroad, which also includes a significant number of Indians.
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In the meantime, a new trend seem to be catching up where human couriers are being used to carry large amount of cash, although it is a riskier venture. Airport officials admit that many such couriers have been apprehended in recent months.
These developments assume significance in the wake of Swiss banks gradually losing their safe-haven status every passing day due to ever-growing global pressure on Switzerland to demolish their secrecy walls that have historically helped in keeping details about their clients and money off the limits for authorities in respective jurisdictions.