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Originally posted by tetsuo
reply to post by Death_Kron
Bitcoins are not free. They take a lot of power/electricity to generate. Most people lose money generating them, because it costs more in electricity to generate than they are worth. Even though the value is skyrocketing, it is getting harder and harder to generate currency as time goes on, so it evens out for the most part. You can use a GPU miner (using your graphics card instead of CPU to generate) and almost certainly turn profit. If you take into account the cost of a nice computer dedicated to generating bitcoins, then it would take you several months to break even.
If you own a bank account, you will know that your money is nothing more than ones and zeros on your bank's secure server. There is far less cash in existence than are funds in USD. Bitcoins are just a series of binary digits, however, they only have meaning/value when they are stored in a wallet, which is a file on your computer. That wallet and its bitcoins are basically the unit of currency, like a dollar bill. Bitcoins ARE cash. They are worth something because they are a scarce commodity. Just like metals and gems are worth something because they are a commodity of known scarcity.
Originally posted by tetsuo
If bitcoin wasn't a cryptocurrency, if the rate of new currency generation was not controlled by this method, then people could cheat in many, many ways, which I will not talk about here. The point is, your computer is not hacking somebody's password or anything silly like that, it is just breaking arbitrary encryption on arbitrary and meaningless data.
Originally posted by Death_Kron
reply to post by tetsuo
e.
Firstly, why would I use my electricity generating an unrecognised currency?
Secondly, why on earth would I allow peer-to-peer access to my computer? I don't even run P2P music apps simply from the security point of view.
Thirdly, the OP mentions breaking passwords; that sounds like allowing your machine to be remotely accessed and it's processing power harnessed for nefarious purposes.
1.) Can or have you used your BitCoins to buy anything?
2.) Are you happy that remote users can access your PC based upon the idea that your "creating money" by storing BitCoins?
3.) When or if do you believe this virtual cash will actually mean anything to you in the real world?
Originally posted by tetsuo
Regarding the "guessing passwords" in exchange for bitcoins:
Bitcoin is a cryptocurrency. You have heard of encryption, right? Encryption is a way of keeping data private by scrambling the individual bits of data (that's a really basic explanation). Scrambled messages can be unscrambled, but it can take a lot of time and computing power to unscramble a message, depending on how well it was encrypted. Bitcoin uses encryption to "time" the generation of currency.
(I'm going to use some arbitrary numbers here to make it simpler, they are not necessarily the same values that bitcoin actually uses)
At the very start of bitcoin, the software encrypted a message with simple methods. It sent that problem out to all the people who are running bitcoin on their computer. Each person's own bitcoin software then attempts to unscramble the message, breaking the encryption. If somebody successfully breaks the encryption, then 50 bitcoins are created (just like the federal reserve prints money) and given to that person.
At the beginning, the encryption was purposefully very simple, so that currency was generated quickly. As time went on and more people started generating bitcoins, the encryption was purposefully made more and more complex, so that it took longer to each message to be decrypted.
Originally posted by tetsuo
The only reason your computer is "guessing passwords" is because it is known how long it takes to break certain types of encryption. The encryption is just a fool-proof way of making sure new currency is generated at the right rate. The encryption method also means that individuals get the chance to have the new currency they "generated" by breaking the encryption be deposited directly into their wallet file (aka bitcoin account).
With US currency, the money is generated by the federal reserve, then loaned to corporations and governmental organizations which then slowly spend that money, where it finally makes its way back into individual citizens' wallets.
If bitcoin wasn't a cryptocurrency, if the rate of new currency generation was not controlled by this method, then people could cheat in many, many ways, which I will not talk about here. The point is, your computer is not hacking somebody's password or anything silly like that, it is just breaking arbitrary encryption on arbitrary and meaningless data.