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Questions tagged [altcoin]

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

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20
votes
2answers
28k views

What does it mean for a cryptocurrency to be ASIC-resistant?

I guess the question I'm asking here is what does it take for an altcoin to be ASIC-resistant? What does it need to have?
16
votes
2answers
4k views

Are Monero Transaction Anonymous?

Lets say i have a monero address and want to send my coins to another address. Will that transaction be private? Can somebody find out that i sent those coins? Are there any altcoins that i can use to ...
13
votes
4answers
12k views

What is Steem and Steemit?

I recently came across Steemit, a Reddit-esque platform which seems to be running on the Steem blockchain. It looks like it is paying its users to post and curate content. However, it looks rather ...
11
votes
2answers
4k views

How is a side-chain merging back to Bitcoin chain protected against double-spend? Where are the side-chain mining fees?

I am struggling to understand the concept of "side-chains" that's discussed a lot lately, but never trully explained. How I understand "side-chain": it's an altcoin, with a separate blockchain, with ...
10
votes
4answers
44k views

What is 42Coin? Why it is highly priced?

In cryptsy, I see that one 42coin is trading at >900 BTC. Just wondering what is 42coin and why it is highly priced?
10
votes
1answer
790 views

Cryptocurrency with small block size limit or large block time

So there are a lot of cryptocurrencies that tries to improve on Bitcoin's 1 Mb block size limit and 10 minute block time (6MB per hour) by using faster block times or larger block size limits. For ...
9
votes
3answers
9k views

Should I start to buy OneCoin?

I am a professional software engineer and freelancer. I have heard about Bitcoin (and recently OneCoin) a long time ago, but I was not interested to indulge in this business. Now, a few days ago a ...
9
votes
2answers
489 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
1answer
614 views

What percentage of altcoins are based on Bitcoin?

What percentage of altcoins share the same codebase as Bitcoin?
9
votes
1answer
156 views

Heartbleed bug and Altcoins

Bitcoin recently released V 0.9.1 patching vulnerabilities from the Heartbleed bug, however I have not seen anything from any alt coin. What are the possible security risks associated with using these ...
9
votes
2answers
904 views

Atomic cross-chain trading

Atomic cross-chain trading describes a method where two parties, owning different crypto currencies, can safely exchange the crypto currencies without an intermediary. The method is described in the ...
7
votes
2answers
252 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?
6
votes
5answers
4k views

Why would I choose to use Bitcoin and not other crypto currencies like Ethereum or Dash? Why is Bitcoin better or worse than the rest?

The title basically says it all, I'm a new investor looking to fill out my portfolio but I also want to know the lay for the market, what cryptos are worthwhile, and why?
6
votes
4answers
16k views

Coins with memory-intensive mining

Are there coins that demand system memory rather than computing power? Which coin brings me the most mining profit if I have a lot of system DDR3 RAM (say 64 GB or more) in my personal computer?
6
votes
3answers
21k views

Where can I find historical price of altcoins?

Quandl has some dataset of altcoins but the history is small and unfortunately prices are not updated. CoinMarketCap JSON API is great but I understand it provides the lastest update only. I have ...
6
votes
2answers
786 views

Is there a Shapeshift service for Testnet coins to convert Bitcoins to other Altcoin testnet coins?

I'm building an app and I'm working with btc testnet coins, but I want to be able to convert them to other altcoin testnet coins. Is there such a service out there?
5
votes
2answers
1k views

Why is it harder to compute nonce for a hash with a certain number zero prefixes than it is for any other hash?

Based on my rudimentary understanding of Bitcoins and altcoins, network difficulty is adjusted by asking the network to target a hash smaller than a specific number, which translates to calculating ...
5
votes
5answers
2k views

What advantages do “alt-coins” have over bitcoin?

I'm struggling to see the importance of alt-coins. It seems to me that one of the major selling points of the various alt-coins is their quicker confirmation times. The common argument is: this is ...
5
votes
4answers
2k views

Before Mining Genesis Block

Im trying to make a test altcoin and I created the genesis block, merkle root and nonce. When I compile and run the daemon, The coin is trying to connect other IPs for hours so I can't mine the ...
5
votes
2answers
239 views

Would the existance of other cryptocurrencies negatively effect Bitcoins?

Would the existence of other cryptocurrencies negatively effect Bitcoins? It seems that other forms of cryptocurrencies would be competition to Bitcoins. Alternately, would it be like having other ...
5
votes
1answer
302 views

How does Dash achieve anonymity without centralisation?

Dash is supposedly completely anonymous. How does this work without any centralisation? Is there one person with all the transactions and only they mine?
5
votes
2answers
894 views

Can the bitcoin network hashrate be used for a 51% attack on other coins?

Please correct me if I am wrong. The difficulty constantly changes according to the current hash rate. It changes to ensure that a block is mined every 10 minutes. If the hash rate was 1000 TH/s and ...
5
votes
1answer
1k views

Is Ethereum essentially Bitcoin with Turing-complete Script?

Is Ethereum essentially Bitcoin with a Turing-complete scripting language and, if I understand correctly, where the script to be executed (not its hash) is placed in the Ethereum blockchain? If so, ...
5
votes
1answer
146 views

Have the security vulnerabilities found in Bitcoin been fixed in other altcoins?

This page maintains a list of vulnerabilities found in Bitcoin, and when they were fixed: https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures Are major altcoins, being based off of the ...
5
votes
3answers
2k views

What are the pros and cons of premined altcoins?

When starting an altcoin from scratch, how would distributing premined coins to a certain community affect the currency?
5
votes
1answer
740 views

Can Darkcoin's Darksend be implemented on top of Bitcoin?

Can Darkcoin's Darksend (I think this is called coinjoin, but I am unsure) be implemented on any cryptocurrency (without a fork), or must the feature be present when the coin is first released?
5
votes
3answers
2k views

Have there been any successful “airdrops”?

Starting with Auroracoin, a lot of coins aimed to perform an "airdrop" and distribute their coins to certain groups of people. I am wondering, have there been any successful airdrops? If so, how did ...
4
votes
1answer
529 views

How can forks coexist even though only one of the is the longest chain?

We know Bitcoin has some forks like Bitcoin Cash and Litecoin. They make a new branch on chain, so how can they coexist without the shorter branches being discarded, and just the longest chain staying ...
4
votes
3answers
368 views

What was the first altcoin?

I'm aware that LiteCoin is (was?) the "silver" to bitcoin's "gold". The question is: What was the first altcoin? Was it actually LiteCoin or was there something else? For the purposes of "alt ...
4
votes
5answers
44k views

I've tried everything from mining bitcoin to litecoin to other altcoins…why do I have no luck?

I am a beginner in the blossoming culture of crypto-currency, and unfortunately, it's beginning to feel as if 2015 is too late of a year for a laptop-user such as I to be able to start mining. I'm ...
4
votes
1answer
164 views

How do altcoins tell each other apart?

So there are hundreds of live and even thriving altcoins today. They are all basically a clone of Bitcoin and operate basically the same. But when you run the mining client for any given coin, how ...
4
votes
3answers
1k views

How to make PoS system work?

In a r/bitcoin I've found the following statement: I think it should be noted that this paper covers a "pure" PoS system, but there have been some hacks to PoS systems to make them "work" (work ...
4
votes
2answers
4k views

Is ASIC Bitcoin Mining Profitable? [closed]

I’m pretty well versed in Bitcoin trading but am really new to Bitcoin mining. I hear a lot of conflicting views regarding the profitability you can achieve with Bitcoin mining. I was wondering if I’m ...
4
votes
3answers
491 views

Can Bitcoin incorporate the scripting protocols of Ethereum without a fork?

I am curious if the Bitcoin protocol can incorporate Turing complete scripting capabilities without forking the block chain. I ask this because I understand the ability to create contracts digitally ...
4
votes
1answer
433 views

Why is a short blocktime considered to be unsafe?

I've heard a couple of times "a shorter blocktime is unsafe," (first about Litecoin and now Ethereum) but never understood why. Is it the higher probability of a fork? Why do some people consider a ...
4
votes
2answers
2k views

I want to generate a BIP32 version number for Namecoin and other altcoins

I want to make a BIP32 wallet for Namecoin and other alt coins. I just need to figure out how to generate a a public and private version number so that the BIP32 extended key prefix is something that ...
4
votes
1answer
258 views

BIP-0016 p2sh keys and altcoins

It appears that bitcoin addresses using p2sh keys have a different prefix to that of normal bitcoin addresses. Do other altcoins such as litecoin, peercoin, dogecoin etc include this functionality?
4
votes
4answers
4k views

Is it safe to transfer coins directly between exchanges?

Say you want to transfer some coins from one exchange to another, and you want to do that directly without sending them to an indermediate address. Bittrex' Terms and Conditions, for example, state ...
4
votes
2answers
1k views

Which altcoin would be the easiest to fork a cryptocurrency from for educational purposes?

Which codebase would you recommend for a novice who wants to create and run an altcoin in order to understand the technology - like a student compiling their own version of MINIX in order to ...
4
votes
1answer
224 views

As of today (2015-Nov) how many different anonymous type altcoins are there?

How many anonymous type altcoins are there out as of 2015-Nov? Also what were their release dates and community size? I'd like to get into an anonymous coin, but I'm unsure which one has the most ...
4
votes
3answers
4k views

How to dump all of addresses from wallet.dat for other alt-coins?

I'm on binarycoin now, with solo mining. Luck smile to me. I'm found 5 blocks. It is 100.0 binarycoins. I'm trying to use "aggressive" speed-up, my daemon compiled with -O3. After last block I ...
4
votes
1answer
1k views

What are sidechains and drivechains?

Altcoins have existed for many years and there are many hundreds of different ones already. A more recent concept is sidechains and drivechains. What are sidechains and drivechains? How do they ...
4
votes
1answer
13k views

How Do I create a Mining Pool for an Altcoin?

I made an altcoin using coincreator.net , but I can only mine it on an underpowered windows computer. I was wanting to make a pool so that my friends and I could mine it together from a Windows or a ...
4
votes
2answers
5k views

Is Vertcoin really ASIC resistant?

Vertcoin comes with Adaptive-N-factor, which means the scrypt algorithm PBKDF parameter N will be changed according to the announced time table. Litecoin has N=10, while Vertcoin starts with N=11. And ...
4
votes
1answer
889 views

IOTA Security with Tangle

I don't know if this is the best place to ask this, but I've been reading about an interesting cryptocurrency called IOTA which doesn't use a blockchain exactly but instead uses a directed acyclic ...
4
votes
1answer
153 views

Is there a website that compares the features of different cryptocoins?

Is there any website where I can find a comparison of different altcoins by features? I'm not interested in hashrate, price, difficulty, but rather in implemented features such as: Used difficulty ...
4
votes
1answer
95 views

Aborting a three-way swap

Suppose Alice has 1 BTC, Bob has 1 LTC, and Carol has 1 NMC. Alice wants NMC for BTC, Bob wants BTC for LTC, and Carol wants LTC for NMC. Assume each cryptocurrency has the same value and can be 1-to-...
4
votes
1answer
168 views

What benefits does Tau-Chain add over conventional solutions?

I'm currently doing some research on Tau-Chain and its various claims. One of the biggest ways it tries to differentiate itself looks to be the focus on decidable programming languages, instead of ...
4
votes
2answers
332 views

Recurring Bitcoin or Altcoin Payments as a Service?

I was wondering are there any recurring payment services aside from the obvious coinbase one out there. I want to be able to have a finer grain control. Say I wanted to send X amount of btc/altcoins ...
4
votes
3answers
507 views

Using Bitcoin or another Altcoin for Decentralized Database Storage

I was wondering has there been any attempts on using the blockchain as a decentralized database storage system? Would it be feasible to use it on Bitcoin or another Altcoin and if so which altcoin ...