eldentyrell
  • Member for 10 years, 4 months
  • Last seen more than 4 years ago
What features of scrypt() make Tenebrix GPU-resistant?
Accepted answer
15 votes

The scrypt() algorithm has at its core a routine called ROMmix. Basically, it defines V(1) = hash(message) V(2) = hash(hash(message)) V(3) = hash(hash(hash(message))) ... and it calculates ...

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Is "Reclaiming Disk Space" already implemented? How effective will it be?
Accepted answer
14 votes

The blockchain already has reached nearly 1 GB to download and store, The proposal in Satoshi's paper does not reduce the download requirements, only the storage requirements (see this post to the ...

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Why have prices fallen so drastically around October 2011?
11 votes

People are not holding their bitcoins as long. I've speculated elsewhere that this might have something to do with the hedging mechanism implemented by Silk Road. We all want people to use bitcoins ...

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What unique business models has Bitcoin enabled?
10 votes

Business models which are prone to "chargeback fraud" or in which it is hard for merchants to know if the credit card being used for payment is stolen (if it is, the merchant loses out). I have a ...

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Are the capabilities of Namecoin a strict superset of Bitcoin?
Accepted answer
9 votes

The amount of NMC required in order to register a domain name is fixed by the protocol. Having NMC and BTC be separate currencies ensures that the number of BTC needed to register a domain name is ...

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Flaw in Bitcoin protocol regarding incentives to share transactions
Accepted answer
6 votes

This is a non-issue. The Microsoft paper did not appear in a peer-reviewed venue (journal or conference). There are (at least) two parts to the bitcoin network: the peer-to-peer transaction ...

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Is EFF's proposed Sovereign Key system similar to how Namecoin/Bitcoin works?
5 votes

No. Sovereign keys are simply a technical mechanism to use the DNSSEC trust anchors instead of companies like Verisign. Trust is still centralized; it's just centralized in a different place.

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What are the advantages/disadvantages of a continuously decreasing block reward compared to the current method?
3 votes

One severe disadvantage is that the hashrate will plunge dramatically right after the last 50BTC block instead of decaying slowly. In the long run (i.e. over multi-month horizons) people will mine if ...

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Services paid in Bitcoin
3 votes

Bitcoin Torrents lets you use their uber-fast servers to download a torrent. Then you can stream it from there at a consistent rate. Very nice idea!

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Who controls the Bitcoin software?
2 votes

You control it. It is open source, so if you want to modify the copy you're running, go right ahead.

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Could a futures market be included in the Bitcoin protocol?
2 votes

Silk road's hedged escrow is a first step in this direction, and seems to work. But all the "trades" are bilateral (SR is always one of the parties) and you can't "buy" the "contract" unless its to ...

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Will merge mining patch make Bitcoin network mining power available to anyone?
1 votes

Keep in mind that whenever an alternative chain enables merged mining it is centralizing a huge amount of trust in the bitcoin ("Nakamoto chain") mining pool operators. When people join a bitcoin ...

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

Perhaps an algorithm that requires a moderate amount of memory that would be practical for a GPU to have but not very practical to locate on an ASIC. Common misconception. Most fabs now have logic-...

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What can be done to mitigate the risk of a Finney-attack?
-3 votes

What can a merchant do to mitigate the risk this specific kind of attack? Wait for a few confirmations.

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