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0answers
11 views

Why are broadcast checkpoints considered bad?

warren, a LiteCoin dev, said of Peercoin: Good Luck Removing PPC's Centralized Checkpoints Regarding PPC... these amount to empty obfuscating defensive excuses. Sure he wants to remove the ...
2
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1answer
79 views

Is there a way to make a crypto-currency stable by design? How? [duplicate]

I'm just wondering if there's any way of creating a crypto-currency that is stable by-design. How would one do so? Can there be something like a "central bank" built in into the currency client? I ...
5
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2answers
266 views

How does a Bitcoin client efficiently change forks?

Occasionally, a Bitcoin client will come across a fork of blocks that is longer than the chain it is currently on. Depending on how often orphaned blocks occur, this could be quite often. When this ...
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2answers
996 views

Intrinsically useful proof-of-work using Mersenne or Fermat numbers factorization. Could it be possible? [closed]

I was reading this question and got myself thinking - why can't a crypto-currency use as proof-of-work a difficult problem that has value outside of the network? I understand the effort to produce all ...
5
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4answers
2k views

Does the creator of BitCoin hold a 'master' private key?

If the creator of BitCoin, whoever he/she is, was the one that started the block-chain and with every cryptographic operation deriving from that initial key, would the network be under the complete ...
2
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3answers
258 views

What are the problems with normal currency that may be solved by using Bitcoins?

I've watched the video on weusecoins.com and read some of the FAQ, read information about wallets etc, but I still can't find any information about why we should use Bitcoins? What are the issues with ...
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6answers
793 views

Why was Bitcoin designed with a decreasing production rate?

I have no doubt that the person who designed Bitcoin was many times smarter than me but with the benefit of hindsight was the decreasing number of bitcoins a good design decision given the 'hoarding' ...
3
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1answer
363 views

Running Miner as embedded system (No OS) - Can it be done?

I've been messing about with TCP/IP stacks on some fairly powerful MCU's lately (mostly the ARM M4 series), and this sort of led to the crazy idea, that I could somehow create an embedded platform ...
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3answers
355 views

Is there any consensus over specific improvements Bitcoin needs?

There has been some criticism from cryptography experts about the current Bitcoin algorithm(s). Now that Bitcoin has been released to the wild and everyone has had time to study it, is there any ...
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8answers
2k views

Are there algorithms that could be used for mining that resist acceleration with ASICs?

In my related question about mining algorithms that balance CPU and GPU it came up that such an algorithm would tremendously increase the incentive for people to create mining botnets. The prospect of ...
27
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3answers
2k views

Are there algorithms that could have been chosen for mining that balance CPU/GPU?

The mining algorithm for Bitcoins (and most alternative but similar currencies as well) is purely computation hard, but not decision hard or memory hard. This caused the unexpected effect that GPUs ...
37
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9answers
2k views

Is there a way to set up proof-of-work systems so it would be even more useful?

One of the arguments made against bitcoin's design choices is that is wastes resources authenticating transactions. In particular, finding small hashes is completely useless for the world. Are there ...
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4answers
934 views

What are the differences between Bitcoin and other crypto-currencies?

What is it that makes Bitcoin unique amongst crypto-currencies? Is it just the most popular one or does it have better design aspects too?