Earlier quoted context omitted.
Eh? The volatility is a HUGE problem for bitcoin as a currency. If I run a small business, accepting payment in bitcoin just creates risk. The state of my business not only depends on the quality and success of my product/service but also on the volatility of bitcoin because by accepting bitcoin I am forced to effectively take a long position on BTC. The price could crash by 25% before I sell the bitcoin and now I've…
How does one take a short position in Bitcoin?
Note that this gives you a maximum gain of whatever BTC/USD is today (assuming you denominate in greenbacks), while upside risk is theoretically unlimited.
Of course the lender has to trust or be ensured (or insured) that you will repay.
There must be people using Ethereum contracts to make options on BTC, and maybe trying to minimize counterparty risk through the judicious use of open-sourced smart contracts and digital collateral? Anyone know of interesting cases?