Yes there is an official convention [1]. EUR/USD = X means you pay X USD (the quote currency, listed second) for one unit of EUR (the base currency, listed first). These are usually always the same way for the same pair of currencies (EURUSD is almost always USD as the quote currency, USDCHF is almost always Swiss franc as the quote currency)

[1] https://www.cmegroup.com/education/courses/introduction-to-f...

Thanks for the explanation and link.

This is true but you can use extra qubits that when ignored make the output behave like XOR, so its not as limiting as you might think

From what I've read I thought she was careful to keep all the information internal to the company, which seems to strengthen her case that she didn't really do anything wrong.