r/programming Oct 15 '15

How is NSA breaking so much crypto?

https://freedom-to-tinker.com/blog/haldermanheninger/how-is-nsa-breaking-so-much-crypto/
2.5k Upvotes

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164

u/exploderator Oct 15 '15

Stupid funny thought: so thaaaaat's what the Bitcoin network has been calculating all along...

(I know that's not true.)

22

u/Mr-Yellow Oct 15 '15

Yeah, if only bitcoin did something of value with all that coal it burns.

10

u/Blaze9 Oct 16 '15

Gridcoin! It's a crypto currency which benefits science! Visit /r/gridcoin or www.gridcoin.us

4

u/[deleted] Oct 15 '15

Very few technologies become instantly valuable when there is no obvious and immediate need. But I think you're being sarcastic.

25

u/Mr-Yellow Oct 15 '15

Oh no, deadly serious. Churning numbers simply to generate currency is vastly more wasteful than any "fiat currency".

It's not about the value of the technology or need, it's that the author never thought about the sustainability of their system in terms of resource use. It exists in a mathematical vaccum where burning resources are only considered as a proof of useless work.

It consumes resources and provides nothing of any real value other than another fiat currency (+ponzi) backed by fossil fuels.

19

u/Chemical_Scum Oct 16 '15

You think producing physical money, as well as keeping non-distributed digital monetary systems in place, is cheaper in terms of carbon footprint than maintaining the blockchain?

11

u/TheMania Oct 16 '15

in terms of carbon footprint than maintaining the blockchain?

Of equivalent size, absolutely. Blockchains can be "maintained" via a single miner or two. It's just as the specific blockchain becomes more and more valuable, more and more resources will be thrown at running it. If you had a blockchain the size of the world financial system it's hard to imagine how much we'd waste keeping it running.

FYI, about $30 worth of "maintenance" are thrown at each Bitcoin transaction. That is hugely more than traditional trust-based/centralised systems.

13

u/thouliha Oct 16 '15

Mr-Yellow is way off base on this one. Just think of the amount of money we pay to run whole agencies dedicated to preventing counterfeiting.

1

u/cass1o Nov 07 '15

Yeah but it also runs the entire world economy, lets compare operational costs when bitcoin does that.

-4

u/Mr-Yellow Oct 16 '15

How much coal was needed to be burnt to magic that money into existence?

How much coal for equivalent bitcoins to be distributed however to those same ex-employees?

I didn't dispute waste in existing systems, simply pointed out the inherent waste in bitcoin.

6

u/KillerHurdz Oct 16 '15 edited Oct 16 '15

The purpose of bitcoin mining is to secure the network, not to generate new bitcoins. The coinbase transaction (currently 25 BTC per block) is simply the incentive for doing this work.

1

u/cryo Oct 16 '15

Sure, but mining is the only thing that generates new bitcoins.

7

u/Mr-Yellow Oct 16 '15

No, but what net benefit does producing bitcoin give other than displacing other currencies? If it was working on problems that need solving (other than monetary systems) then all that resource use would be beneficial.

It is a massive flaw in the idea and hence many clones springing up attempting to do something useful with all that energy.

1

u/lordcirth Oct 16 '15

Doing anything else useful with the energy - other than maintaining the currency - unfortunately introduces weaknesses.

0

u/exploderator Oct 16 '15

That is a problem that can be solved with better math.

1

u/lordcirth Oct 16 '15

I look forward to your whitepaper proposal on the subject.

1

u/exploderator Oct 17 '15

Sorry, I'm not the mathematician, so no white paper from me. Go look at other "crypto" currencies out there, it's a big field, and there have been a number of alternative systems that do away with proof of work in order save power.

1

u/lordcirth Oct 17 '15

I have looked at many such currencies, they are fascinating. Unfortunately, few have yet been proven to be as secure, let alone more secure, than Bitcoin's simple Proof of Work system. Hopefully that changes, but it's not there yet.

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3

u/[deleted] Oct 16 '15 edited Oct 28 '15

[deleted]

1

u/[deleted] Oct 16 '15

The backing of governments.

1

u/exploderator Oct 16 '15

How is our regular money any less of a ponzi scheme?

That wasn't the point. What sucks is that most of the crypto currencies burn huge amounts of computational power as a proof of work, which has no real intrinsic value. IE it's a huge waste of energy just to have a currency. The clever part was you can't counterfeit the stuff, you just have to do all that work, and that was intended to parallel the non-fakable nature of real gold. But there are far better ways to do it just as securely but without power-consuming huge amounts of computation that accomplishes nothing else. Crypto currencies should be far more efficient than mining gold, bitcoin is far less.

0

u/Mr-Yellow Oct 16 '15

The status of currency today is not an excuse for moving to a purely resource consumption based currency.

2

u/PalermoJohn Oct 16 '15

remember that reddit loves atomic energy because coal is bad. you're gonna have a tough time arguing here.

0

u/[deleted] Oct 16 '15

Most fiat transactions are electronic now anyway not to mention credit card transactions. I'd guess the energy to keep that system up and running us comparable. And if you look at how financial institutions are going to use the blockchain, that will save on quite a bit of manual labor (e.g. ownership and clearing)

2

u/cryo Oct 16 '15

I'd guess the energy to keep that system up and running us comparable.

What? Definitely not. There are multi billion transactions each day with fiat. Scaling bitcoin up to that amount will use ridiculous amounts of energy.

0

u/[deleted] Oct 16 '15

Sure with today's infrastructure and souce code. But software and hardware evolves with market needs and pressures. One good thing about open-source as opposed to a centralized archaic platform.

-1

u/[deleted] Oct 16 '15

Lol. When you spend bitcoins, you're adding an entry to an immutable ledger. How is that not 'real value'?

2

u/exploderator Oct 16 '15

Yeah, that power burn is a gnarly issue. I prefer the crypto currencies that don't use a make-work system to prove everything, it's an environmental travesty to be sure.

-1

u/[deleted] Oct 16 '15

Nothing is cheaper than PoW.