The original paper, http://bitcoin.org/bitcoin.pdf from creator Satoshi Nakamoto.
As of 09/Apr, the valuation was $142. Last year it went down, but then since Cyprus bailout, it has been appreciating – three times in past few months. Also, many in Eurozone are not too sure if keeping their money in bank is safe or not!
Insurance bought by bond investors. In case the issuer defaults on payments, the insurer pays the investor. the insurance premium, known as the spread, is independently traded in the Market.
Tata motors CDS are not traded on the exchanges and thus do not have enough volume, making them vulnerable to demand & supply