I am personally hoping we can survive the speculation craze and reach a point where we can use the block chain technology in revolutionary (or even evolutionary) ways. Since it’s tax time I can’t help but feel that the true long term danger to block chain technology isn’t draconian government regulation, it’s the IRS. For example I have a transaction earlier this year where I purchased some software for $15 BTC equiv…
For tax purposes, Bitcoin is not considered a currency, it is considered an asset.[1] When you used it to buy some software, you were treated as exchanging that BTC for the software. Because that BTC had increased in value, you were tax on the gain in the value of the BTC actually used in the software-purchase transaction. This analysis generally applies in all of the Western world.
[1] Even if Bitcoin would be considered a currency for tax purposes, it would be considered a foreign currency (meaning, not the legal tender of your jurisdiction), so the same analysis applies. When transacting in foreign currency, you need to do gain/loss calculations for each transaction. Note that IRS advice for calculating digital currency gains/losses is essentially the advice they give for calculating foreign currency gains and losses, but simplified to layman's terms.