SecondMarket CEO: Wall Street Will Put 'Hundreds of Millions' Into Bitcoin
entrepreneur.com
entrepreneur.com
I still don't know if this is tulips [1] or turtles all the way down [2]. Perhaps both?
If your number happens to come up was it a good investment?
I was just refuting a3voices's assertion that a rise in value alone made it a good investment. That's outcome based thinking and it's wrong.
Weird choice there.
On the other hand, and I think where I will end up, it's completely stupid. While the speculative benefits are terrific for marketing, they are totally incompatible for use as a currency. As is the apparent concentration of ownership.
Also, the confirmation time does not scale with the size of the network. The mining difficulty automatically adjusts to one block every ten minutes on average.
Bitcoin compresses this drawn-out risk of reversal into a ~1 hour window (0 to 6+ confirmations). So if you're OK with a very small risk of reversal, you can accept payments instantly (i.e., after 0 confirmations). This is perfectly fine if you're selling meals, or domain names, or alpaca socks. If you're selling a car, and you want near absolute certainty that your payment will never be reversed, wait an hour or so for 6 confirmations. After 6 confirmations, payment has been reversed only one known instance in Bitcoin's history, and that payment was eventually returned to the merchant in question (so no merchant has ever lost money after accepting a 6 confirmation transaction).
Now, for consumers, it's a different matter -- there are advantages and disadvantages to Bitcoin. But for merchants, Bitcoin is a very clear winner. And many of us consumers are very happy to buy with Bitcoin.
Not to mention all the non-commercial uses for money transfers Bitcoin fulfills, most notably remittances.
By the way, if you have an idea for a decentralized digital currency with the protection against the Byzantine Generals problem [0] needed to protect against transaction reversals that also provides "full" verification instantly, I encourage you to develop your project. It has the potential to be a Bitcoin killer (then again, the network effect may be too strong...).
And finally, to correct a misconception, the time needed for 6 confirmations on the Bitcoin network will always take an average of an hour, regardless of network size. That's what the self-adjusting Bitcoin difficulty is all about.
What happens when the number of bitcoin transactions becomes too great for the network to handle? There is a finite number of computers, they can only process so many transactions at a time. If bitcoin became as popular as the US dollar, would there be enough nodes out there to handle a load of that magnitude? Or, for a more specific example: tomorrow every monetary transaction in the US is done using bitcoin, what happens?
I did appreciate your subtle sarcasm though. A++
edit: reading the wiki article, I see that it indeed can. The assumption being that there is no rational justification for the price paid.
However, this assumption is wrong. Simple calculations give a price much higher than the current value if Bitcoin comes into widespread use as a currency. In more detail, given the limited supply and any arbitrary transaction volume, you can come up with a price for Bitcoin. The current valuation is not supported by the transaction volume. However, low estimates of transaction volume if Bitcoin comes into widespread use imply a much higher price.