If they're a currency then insider trading rules don't apply.
If Bitcoin gets classified as a commodity, then I'm not sure what rules apply.
If Bitcoin gets classified as a security, then I'm pretty sure insider trading rules would apply.
First, you should look at the statutes to see what the insider trading laws apply to. In almost all countries, insider trading is the trading of a corporation's stock or other securities (e.g. bonds or stock options, CDSs, etc.) by insider individuals with potential access to non-public information about the company.
In this case, you would be buying bitcoins, not Apple or Amazon stock, based on asymmetrical information. Bitcoins are not a stock or other security. There is also not an organization to be 'inside' to. Therefore, insider trading laws do not apply to the trading of bitcoins.
However, if you bought Apple or Amazon stock, being an insider and based upon asymmetrical information that they were going to pilot bitcoins and you thought that would materially impact the stock price, then there could possibly be an insider trading violation if it were deemed material and you profited from it.
The first step would be to determine whether you are an insider by being an officer, key employee, director or large shareholder, etc. For example, if you are none of those and eavesdropped on the CEO and CFO at a cafe then that likely would not constitute inside information (may in the case of a tender offer, etc.).
P.S. Nice attempt at starting a rumor!
