Questions tagged [alternatives]

Questions about alternative blockchains are off topic unless they are applicable to Bitcoin.

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5
votes
7answers
11k views

Is there an altcoin that is only feasible to mine by CPU?

I'm interested in mining altcoins, mainly to turn some servers into (literal) space heaters, since it's winter. One thing that really interests me is if an altcoin has been designed to only be ...
0
votes
2answers
760 views

Which crypto-currencies can be mined effectively with GPU

We often hear both CPU and GPU mining are dead. There is a number of new currencies designed specifically for CPU or GPU mining. Which are these? Can you mine them effectively with GPU?
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 ...
9
votes
5answers
19k 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 ...
2
votes
1answer
730 views

Storing HTML websites in the blockchain?

I see that the blockchain has enabled lots of different distributed networking principles, other than just enabling cryptocurrency. For example Namecoin uses the blockchain for storing DNS data. I am ...
2
votes
1answer
2k views

How can I buy Mastercoins? [closed]

What is currently the best way to purchase Mastercoins? Are there exchanges out yet? Do I need some special Mastercoin-Address/Wallet?
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?
2
votes
1answer
242 views

Alternative: Mining scheme driven by logistic function

Could a mining scheme driven by logistic function bring a greater price (= exchange rate) stability to a crypto-currency in comparison to Bitcoin for example since it better models natural growth? ...
1
vote
3answers
2k views

Inflationary (no total coin limit) cryptocurrency where miners keep all new coins

Is there an inflationary cryptocurrency with following features? No fixed limit on total coins (coins will be emitted forever). Miners are the only source of new coins. Mining reward (new coins) go ...
2
votes
2answers
1k views

How are some coins premined?

Did the developers of the various premined coins have to wait for those coins to be mined first or did they change the code to first issue themselves the premined coins? I'm referring to the list of ...
4
votes
1answer
220 views

Does Proof of Stake Lead to a Positive Feedback Loop?

(I may have horribly misunderstood PoS, so be gentle!) Reading about PoS, the general idea seems to be that each miner has a "hit rate" proportional to their coins / total coins in the system. Now, ...
-1
votes
1answer
512 views

Can you use paypal payment with Bitcoins? [duplicate]

Many stores offer PayPal as payment method. Is it possible to use Bitcoins to pay in these stores somehow without having a PayPal account yourself?
2
votes
2answers
258 views

Is there a namecoin (or similar) social network? How would it work?

I'm looking for information on how Namecoin could create a "Facebook-style" social network and what prior work exists. I understand that namecoin has fundamental problems and fledgling support, but I'...
4
votes
5answers
799 views

Do any Virtual Currencies use coins that have an expiration date?

Bitcoin has no way of knowing if a given Bitcoin is "expired" or has a Base58 address that no one has a key for One way of ensuring that coins are never lost is to expire coins and add them back to ...
1
vote
3answers
380 views

How to be sure that whole of block chain downloaded?

I catch myself on the thought, that I don't know how to verify that block chain downloaded or not yet. How exactly I can be sure that all is ok with bitcoind or altcoins? E.g. "terracoind getinfo" ...
0
votes
1answer
131 views

Connect mined blocks with various addresses

From code: // Create coinbase tx CTransaction txNew; txNew.vin.resize(1); txNew.vin[0].prevout.SetNull(); txNew.vout.resize(1); CPubKey pubkey; if (!reservekey.GetReservedKey(pubkey)) ...
3
votes
2answers
836 views

What happens if Bitcoin itself is obsoleted by another digital currency?

Unless Bitcoin is replaced with a Bitcoin-compatible currency, I believe that all holders of Bitcoin will be out of luck when the day comes that it is obsoleted by a superior system, as inevitably ...
1
vote
0answers
496 views

How would i use a quantitative data site like coinmarketcap.com? [closed]

I understand that I could calculate my hashrate and thus expected profitability per hardware speed, but I don't understand how to valuate what market price 'should' be and how to actually valuate an ...
3
votes
1answer
114 views

Are there clients that manage several alts?

E.g. a desktop client that can manage, in a unified UI, Bitcoin, Namecoin, Litecoin, PPCoin...?
3
votes
2answers
549 views

Bitcoin for local network

Is there are any way to use bitcoin or alternative crypto-currency in local network? I have small home network without internet and have an idea to have a local currency to encourage the children.
5
votes
4answers
7k views

What does Litecoin offer over Bitcoin?

Litecoin is different from Bitcoin in the following ways, however none of them are particularly useful and on the contrary are only less worthy. 84 million vs 21 millions: since Bitcoin is divisible ...
0
votes
1answer
260 views

Which crypto-currency has the most even distribution of wealth? [closed]

Bitcoin, Ripple, PPCoin, Freicoin and most other cryptocurrencies have a significant portion of the currency in the hands of early adopters or a central group charged with 'distributing' the currency. ...
3
votes
3answers
3k views

What's the alternative to bitcoins that can be profitably mined by beginner?

I have tons of CPU and a reasonably good GPU. Should I used the CPU to mine namecoin and the GPU to mine litecoin? Or perhaps some other combination? Or what?
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 ...
1
vote
1answer
162 views

following coins between blockchains

Question: is it possible to further obfuscate ownership/origin of bitcoins by trading it for another cryptocurrency at an exchange? (as it is easier to do this for large amounts than it is with cash) ...
28
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 ...
0
votes
3answers
480 views

Which alternative currencies might experience a sharp rise in popularity like bitcoin recently did? [closed]

Simple question for newbies. Which other alternative currencies (crypto and others) are possible candidates for a surge in popularity? Is there any reason that bitcoin will always dominate the alt ...
0
votes
2answers
266 views

A Bitcoin alternative with non decreasing reward

Understanding the motivations for the 21 million BC limit and halving reward rate, I still think it dis-proportionally rewards early adopters. My ideal system would be one where the mining reward is a ...
4
votes
4answers
9k views

Litecoin difficulty and reward

How can I know difficulty value and reward for Litecoin network ? I'm looking for website such as http://blockexplorer.com/q/bcperblock http://blockexplorer.com/q/getdifficulty to get difficulty ...
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 ...
2
votes
1answer
255 views

What would be the technical, and wider, implications of a cryptocurrency that used proof-of-disk-space?

ShelbyMooreIII is promoting AnonyMint and/or AnonyCash as a concept* cryptocurrency based on a disk-space intensive algorithm. Some details are given here: http://anonymint.org/#Proof-of-Work_Designs ...
1
vote
2answers
2k views

How is 'profitability' calculated on Coinotron?

On the Coinotron, multi-currency pool website, there is a metric posted at the top-right of each page that displays how "profitable" it is to mine a specific currency. How does Coinotron derive this ...
3
votes
3answers
2k views

Will bitcoins be devalued by competing digital currencies? [closed]

Bitcoin is becoming more recognizable and trusted. But as it's popularity increases, the supply isn't going to change significantly because the supply is fixed to the internal mining algorithm. This ...
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 ...
1
vote
3answers
119 views

What existing businesses or products does Bitcoin compete with?

I'm trying to understand who sees Bitcoin as competition to their main product. For example, I've heard that Bitcoin competes with: Swiss numbered bank accounts Deflationary PMs (precious metals) ...
6
votes
3answers
576 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 ...
2
votes
1answer
263 views

Are there studies about a Bitcoin-like economy with inflation?

Assume, we create an alternative cryptocurrency ("InflationCoin") based on the bitcoin software with one change to the protocol: The Block reward is constant, e.g. 50 InflationCoin Technically this ...
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?
3
votes
2answers
471 views

Will an approved Bitcoin-like system replace Bitcoin?

What is the chance of another Bitcoin-like currency system to replace Bitcoin? Will Bitcoin still coexist with such systems? Will it affect then-current Bitcoin exchange rate? By Bitcoin-like, I ...
6
votes
1answer
298 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
2answers
443 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 ...
3
votes
2answers
521 views

Zero to Bitcoin in sixty seconds - how to set up a Bitcoin client in case you need it fast?

Lets say I have a bitcoind instance running on a server with proper wallet.dat backups created regularly. The server crashes, blockchain data becomes corrupted or what have you, and I need to set up a ...
4
votes
1answer
2k views

What is the key difference between the Proof of Activity proposal and Proof of Stake?

coblee (Litecoin creator) suggested a new Proof of Activity method, to complement Proof of Work, instead of using Proof of Stake (oh my!) Can someone provide a tl;dr of what is the key problem in PoS ...
-5
votes
1answer
2k views

What is the “best” BitCoin alternative? Especially from the pov of mining [closed]

Namecoin, Devcoin, Litecoin, Liquidcoin, Solidcoin, I0coin, Ixcoin... Which of them is the best alternative to BitCoin, especially from a fledgling miner's pov (ie. I'd like to mine some coins, but ...
2
votes
3answers
763 views

Is Proof of Stake a hard-fork?

Proof of Stake is a proposed modification to the Bitcoin protocol. maaku claimed that it doesn't require a hard fork / alt chain. Is this true?
2
votes
2answers
305 views

Alternative incentives for miners

Currently the incentives for miners are the block-awards and transaction fees. Suppose I want to create a Bitcoin-like hash-chain for other purposes than storing coins (for example: storing messages), ...
7
votes
1answer
357 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
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 ...
5
votes
3answers
2k views

How can people in Indonesia use Bitcoins?

Dwolla does not accept me. So what's the alternative? How can I for example, withdraw money to rupiah or dollar account in US.
4
votes
1answer
317 views

What client to use for an alternative special purpose blockchain?

Lets say one wanted to create a blockchain for the purposes of providing a scalable back-end for accounting for the trade of some arbitrary unit between people. It would not be a tradeable currency. ...