As an investment banker and all-around financier, let me assure you that banks will never try to "destroy" bitcoin. In fact, as someone mentioned earlier in this post, banks will LOVE bitcoin, that is, if they don't already have a finger or two in the pond (you would be surprised what banks do under the table).
Let me explain:
Why were banks originally created?
..............
You said that Banks will LOVE Bitcoin.
However,
there is a huge gap between retail banks, investment banks like Goldman Sachs and Central Banks.-
The retail banks will follow people usage. If more and more people use Bitcoin, they will try to adapt and offer services to use Bitcoin with bank account. i.e the partnership between the French bank Credit Mutuel with Paymium.
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The investment banks will try or is trying to make huge profit on Bitcoin without any concern to build something valuable to people. The best way to make a lot of profit is to invest into Bitcoin, increase and drop the price by pseudo legal activities like Goldman Sachs use to do, and then re-invest.
- For
the Central Banks which manage money supply and interest rate, Bitcoin is a threat. The European Central Bank has made a report recently on Bitcoin and virtual currencies. One quote from their report "... it might affect a central bank’s tasks". That's seems clear to me. They will try to kill this technology or make it against the law for our "own" safety. Then, they will create a virtual currency or technology and they will control it for our "own" safety.
You got the retail banks right, aside from a few details like proper savings and lending to the "average Joes" which, as you can see on these very boards nobody wants to deal with because of the quantity and quality of scammers which is not unlile the real world, we as regular people are just never directly on this side of the table. These services and options WILL be wanted by people using bitcoin as an every day currency. They WILL want a place to go that has the capital and the process and the discreet-ness (not even a word) to fund their private loans.
However, let me shed some light on what an Investment Bank
really does, instead of what you read/heard on CNBC. Investment banks act as a sort of mediator bank similar to retail banks but for
businesses. Of course there are some extra services unique to businesses but they handle large business transactions like acquisitions and whatnot as well as financing needs which become a lot more complicated for businesses. They do not operate in the holdings/savings portion of "regular" banks.
What an investment bank really does is help businesses expand and better themselves. Have a website that sells trinkets and you want to also sell widgets? Well, instead of spending years building a separate business that may fail, an investment bank will help to find a seller of widgets that may be willing to sell the business, everyone is happy! Someone made a lot of money, another grew/perpetuated their business, and the investment bank did the work of setting them up, detailing the terms, and almost acting like an escrow in a way. Think of the mining companies that good ol' James T. Everyman sank his life savings into buying a mining rig. Sadly, he didn't look at all of the expenses and is going under and will have nothing to show for it. An investment bank can connect him with someone that is wanting to expand and can show him how to run it better or just cash him out and he then has a safety net as opposed to before. There are countless GOOD things investment banks do, so don't believe that the bullcrap Goldman Sachs stories are how the whole industry is. That is one bulge bracket bank that had a grand total of five or something people that actually knew they were doing something wrong. Go look up how many boutique investment banks there are around and then do some simple math and you will see a really surprising percentage of investment banks that actually have records of "wrongdoing".
Lastly, bitcoins are no more a risk to central banks than gold is currently. People can own it if they want, they can trade it, they can do whatever they please so long as there are consenting parties. That is all
currently. However, what
will make Bitcoins a threat to central banks is people running around claiming and persuading others that Bitcoin should be the
only currency, which will not be happening in our lifetime and probably a few more lifetimes (evidenced by the fact that the Euro is the closest thing to a "globalizing" currency, albeit confined to a smaller than truly global area).
The fact of the matter, regardless of what is currently happening, is that we need banks to live our lives the way we do. To quote the movie Margin Call: (this may not be exact, forgive me I'm out of pocket at the moment)"They need us, they need us because they all want their fancy cars and big houses, and the only reason they can have them is because we have our hands on the scale tipped in their favor." Banks "create" the artificial value that we use to conduct our daily lives in terms of spending outside of our immediate means like home and auto financing.
Long story short, the banks have zero reasons to want to "Destroy" bitcoin unless everyone was to abandon their currency entirely for bitcoins which is increadibly unlikely.
Moreover, if you want bitcoin to become a global force of significant strength and influence under the direction of free men that want to live their lives as such, we will need the banks, all of them sooner or later.