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Questions tagged [alternatives]

Non-Bitcoin "alternative" blockchains, cryptocurrencies or methods of storing and exchanging value

94
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12answers
9k views

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

One of the arguments made against Bitcoin's design choices is that it wastes resources authenticating transactions. In particular, finding small hashes is completely useless for the world. Are there ...
30
votes
1answer
9k views

What are colored coins?

What exactly are colored coins? I've tried understanding, but I don't quite get it yet . . . Do any examples exist?
27
votes
1answer
3k views

How does Chaum style e-cash work? (all the Wiki links are broken)

I'm trying to learn how Chaum-style ecash worked specifically how: "the issuer does a blind signature on a serial number" I tried looking up on Wikipedia but the page is pretty light on the ...
19
votes
6answers
1k views

Does flattr complement or compete with bitcoin?

I realise that the underlying technologies for Bitcoin and flattr are different, but do they serve the same purpose? For example: if I set up a webapp that uses micropayments for revenue (like github ...
18
votes
6answers
2k views

Has anyone attempted to make a working voting system using a bitcoin based system?

It occurred to me the other day that the difficult problem of electronic voting could possibly be solved quite nicely using a bitcoin system. I believe it's transparent enough to be trusted. I found a ...
18
votes
6answers
701 views

Will forks and alternative block chains cause hyper-inflation of decentralized digital money?

Great effort has been put into Bitcoin's concept of money supply and that there will never be more than 21 million units. However, it's relatively easy to fork it and create alternate block chains. ...
18
votes
1answer
15k views

What are the perceived advantages of bitcoin as a means of exchange?

There are lots of ways to send money - western union, paypal, bank wire, etc that are more established and fairly quick. What are the advantages of using bitcoin from a bitcoin-proponent's point of ...
17
votes
8answers
9k views

Why do we need alternatives to Bitcoin?

I don't understand why people need to create alternatives to Bitcoin such as litecoin. Why were these created? What's the point? You can't answer those questions using the same arguments for why ...
17
votes
1answer
1k views

Speed of operations in the Bitcoin network

Did anyone measure how fast transactions spread through the Bitcoin network? For example, how long does it take for a newly generated block to be propagated to most active clients? Mainly asking this ...
16
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5answers
10k views

What Bitcoin-esque alternatives are there? [closed]

I'm seeing lots of bitcoin-esque alternatives mentioned here. What alternatives exist and how do they differ from Bitcoins?
16
votes
2answers
772 views

Can Bitcoin technology be leveraged to implement a decentralized trust system (i.e. a replacement to SSL)?

Like Namecoin is intended to replace / augment DNS, can the Bitcoin principles / protocol be extended to support a distributed "trust" mechanism, in a way that no central authority will need to be ...
15
votes
1answer
2k views

What is the “zeitgeist attack”? Does it affect all blockchain technologies?

What exactly is this attack? It would be nice to have a good explanation of how it works and which chains can be effected by this. Does it apply to the bitcoin main chain, or only the newer and ...
13
votes
6answers
1k views

What keeps a dominant Bitcoin client vendor with the majority of the market share from unilaterally changing the protocol?

I've been asking this in the comments, but I'll be more direct. If a third-party Bitcoin client, say "iBitcoin" (for example), becomes the dominant client by acquiring most of the market share, what ...
13
votes
2answers
3k views

What is Proof of Burn?

Can someone explain me: What is Proof of Burn What is the difference between Proof of Burn and Proof of Work How Proof of burn works Which virtual currency uses Proof of burn technology instead of ...
11
votes
3answers
730 views

Are there alternatives to Bitcoin which take a different approach?

Are there any alternative approaches to decentralized, electronic currencies? Bitcoin was built with certain technical characteristics in mind. I'm hoping to see if there are alternative approaches. ...
10
votes
1answer
1k views

Turing completeness of Bitcoin Script

For me, scripts are one of the most interesting features of Bitcoin. They provide possibilities which have no equivalent in classical currencies. However, the wiki states It is purposefully not ...
10
votes
2answers
458 views

Decentralized transactions between two decentralized currencies

Currently, bitcoins and namecoins are implemented using the Bitcoin protocol. And there might be several reason for new block chains to appear, but this is not the subject here. As far as I know, ...
10
votes
2answers
2k views

Digital currencies pegged to dollar value

Some digital currencies, like NuBits, declare that they peg their value to dollar or other fiat currency. How does this work? Under what conditions this can work? Can this be distributed, or does ...
10
votes
3answers
3k views

Where can I find graphs the values of alternative crypto currencies?

Hashrates and value in BTC. Is there one site that can show them all, perhaps even on the same chart?
9
votes
2answers
488 views

What are the differences (and value adds) among all the different Crypto Currencies?

This website lists hundreds of crypto currencies. Some whimsical, others with a unique value. Is there a catalog, or diff between all the implementations that highlights innovation, or a unique use ...
9
votes
4answers
18k views

Is there an opensource crypto-currency exchanges engine?

I'm looking for an opensource crypto-currency exchange engine. My preference would be for something easy to use like joomla or drupal. My exchange setup needs support for alt-coins and bitcoin. I ...
9
votes
1answer
520 views

Different ways to encode Bitcoin Address

What are the different ways to encode a Bitcoin Address (both private and public) and how are they calculated? I've heard of things like firstbits, mini private key format, and I`d like to know how ...
9
votes
3answers
4k views

How to determine what type of coins a wallet.dat contains?

I have a number of wallets. Is it possible to detect the type of (alternative) coin it contains?
8
votes
2answers
654 views

What does a comparison of Bitcoin Days Destroyed say about Bitcoin vs Namecoin vs SolidCoin?

The Abe blockchain explorer provides statistics for percentage bitcoin days destroyed, using the generic term "% CoinDD". Currently Bitcoin is 36.1245%, Namecoin is 41.5547%, and SolidCoin is 47.0952%...
8
votes
2answers
455 views

It is possible to build a P2P system to trade Bitcoins?

It is possible to build a peer-to-peer (similar to BitTorrent) system to trade Bitcoins? Well, the discussion pointed in the 1st answer is very similar to what I have in mind. But, I have some sub-...
7
votes
5answers
1k views

Should fractional reserve banking be prohibited through the bitcoin protocol or otherwise, and how could such a change be implemented?

There's a massive macroeconomic debate between Keynesians, who want central banks to control the money supply, and Austrians who want no central banks doing any such thing--or at least competing ...
7
votes
3answers
2k views

Trading between different cryptocoins

Is there a website that allows one to trade multiple different cryptocoins (Bitcoins, Namecoins, SolidCoins, RuCoins, LiteCoins, etc) all in one place?
7
votes
3answers
2k views

What is TimeKoin?

I just found this (on BitcoinTalk). TimeKoin seems to be an attempt at a cryptocurrency. There is a whitepaper and an about page, and I've skimmed through them, but I haven't been able to answer these ...
7
votes
1answer
347 views

Does merged mining require clients to download both blockchains?

Suppose I want to start an AltCoin, and set it up for merged mining with Bitcoin. Will it require the AltCoin end-users to also download the Bitcoin blockchain to verify the hashes embedded in the ...
7
votes
2answers
449 views

Is there an easy way to diversify your Bitcoin holding among the other popular forks?

Recently there has been a spread of Bitcoin clones, starting with Namecoin and following with other newer clones. There is a chance these coins will appreciate relative to Bitcoin. Is there an easy ...
7
votes
2answers
428 views

Bitcoin over HTTP?

Are there any implementations of a Bitcoin client that would run over HTTP, allowing one to communicate by, for example, sending raw message bytes as a POST? Edit: I'm not looking for ways to control ...
7
votes
1answer
3k views

Can I CPU mine other coins to win Bitcoins?

I have a useless Nvidia, until now, unconfigurable to mine (7300) So, if I mine just with CPU, can I get more coins mining others coins like NMC,LQC,LTC,SC, or whatever, and trading after for BTCs?
7
votes
1answer
3k views

Fastest cryptocurrency

What cryptocurrency is the fastest in terms of reaching 100% transaction confirmation? I've found sites like this that show that Fastcoin is the fastest at 48 seconds. I think David Schwartz said ...
7
votes
5answers
6k views

Are there any resources for creating your own coin?

I have some experiments I want to do for creating my own coin. I've seen stuff like coingen.io but I want to do it myself. I also will be messing with other things like the hashing algorithm. Are ...
7
votes
2answers
240 views

How is IOTA's Tangle different than classical blockchains?

How is IOTA's Tangle different than classical blockchains? What are the main differences and how do they translate to real world usage? What are the strengths and weaknesses of the Tangle?
7
votes
2answers
9k views

The value of Quarkcoin knowing that big amount was preminted

Few hours ago I was looking at bitcoin.stackexchange and found a question about quarkcoin. I was curious to know what is this. Reading a little bit I have found that it does not provide anything new ...
6
votes
3answers
565 views

How to experience the thrill of mining?

Bitcoins are hard to mine now. I've always wanted to actually earn them, but never actually gotten much of anything. I want to create my own blockchain, separate from any other networks, so that ...
6
votes
3answers
535 views

What's stopping an infinite number of altcoins with the same protocol from appearing in the future?

My novice understanding of BTC is that BTC is valuable because it's scarce - mathematically, there can only be 21M BTC, no more. What's stopping another altcoins from starting with the same ...
6
votes
2answers
13k views

What happens if you send Bitcoin to a Litecoin address?

Is it lost forever? What about the reverse: sending Litecoin to a Bitcoin address?
6
votes
3answers
692 views

Is there an easy way to check out the market cap of the alternative currencies?

Ideally, I'd like to see a pie chart with the whole pie being "Bitcoin-derived crypto currencies", and each major alternative represented as a market cap in Bitcoins and USD. Currently, from what I ...
6
votes
1answer
411 views

What is fairCash?

There may exist a potential Bitcoin rival, fairCash. The founder mentioned this briefly at the Mobile World Congress in a Q&A session with Google. There a little resources on the internet about ...
6
votes
2answers
434 views

Is it possible for a decentralized currency to have untraceable transactions?

I have been reading a bit about Bitcoin recently and am fascinated with the project and think it has great potential. However, one thing I think it needs in order to gain mass popularity is to make ...
6
votes
1answer
1k views

List of Bitcoin forks or spinoffs [duplicate]

I've just heard about another digital currency called Litecoin, which I believe to be based on Bitcoin, are there any more alternatives to Bitcoin & Litecoin? Any one got a list? A reason why the ...
6
votes
1answer
296 views

Alternative clients and the Bitcoin API

Which of the alternative clients support any/some/all of the standard API calls? I am looking for a possible alternative client to replace Bitcoind on my server.
6
votes
3answers
1k views

Is “Dacoinminster's Second Bitcoin Whitepaper” logically/economically consistent?

Dacoinmister's "The Second Bitcoin Whitepaper" is a new proposal to create another p2p network over Bitcoin (called MasterCoin), that will fix some of Bitcoin's drawbacks. Are there any logical ...
6
votes
1answer
623 views

Can a competing cryptocurrency make Bitcoin obsolete?

If a new cryptocurrency is created, with some unknown property that Bitcoin does not have, can Bitcoin be adapted to include this property, or will Bitcoin become obsolete? (I believe I know the ...
6
votes
2answers
750 views

Is there a uniform measure of “difficulty”, that when multiplied by price, will give “profitability of one hour of mining”?

I recently open Bitcoin Pie, a site that compares crypto-currencies. Given the exchange rate in BTC, I would like to add another column that tells "relative mining profitability", regardless of the ...
6
votes
4answers
268 views

Can new types of transactions be included the current block chain?

I was putting an answer for this question together when I realised my idea would require a new type of transaction to be invented and included in blocks. Then I wondered how that could work. There ...
6
votes
1answer
226 views

Have network DDoS attacks ever been successful on any coin?

Has a cryptocurrency network ever been fully DDoSed so that the blockchain did not advance during the attack? If so, which one and how?
6
votes
1answer
171 views

What happens in an extreme case if Ripple fails to make a consensus? Will that part of the network be segmented off?

What if the Ripple trust network becomes many trust hubs and spokes, and the hubs don't trust each other? In this extreme case, that could exist due to extreme network segregation, massive trust-...