Non-Bitcoin solutions such as alternate block chains or methods of storing and exchanging value

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Is it possible for corporate interests to incentivize securing alternate Blockchains instead of Bitcoin's Blockchain?

Is it possible for corporate interests to incentivize securing POW of alternate blockchains instead of Bitcoin's blockchain? Given the large amount of funding and/or "partnerships" announced the last ...
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18 views

How The Ideal Reserve “branch reconciliation” “in less than 400 ms”? [on hold]

Here says After having launched bootstrap Clearinghouses on all major continents, they are fully reconciling transfers in less than 400 ms with competition and 200 ms without. "Reconciliation" ...
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2answers
46 views

The Ideal Reserve is cryptocurrency? [on hold]

Is The Ideal Reserve a cryptocurrency? I need my currency to keep a stable price. Is it stable? I live in a country where cryptocurrencies in general are illegal. Is The Ideal Reserve ...
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1answer
33 views

Calculating the mining profitability of Novacoin

I've been researching altcoins and keep coming across some staggering figures. I think it's just too early to do math, but if I were to farm novacoins for example calculator here and I have pretty ...
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2answers
41 views

WeaveCoin - Extremely High-Speed AltCoin - Is this Possible? [closed]

I've written a proposal for an extremely extremely high-speed transaction verification algorithm: http://kenthagerman.blogspot.ca/2014/08/weavecoin-high-speed-crypto-currency.html Is this possible? ...
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1answer
37 views

Where can new cryptocurrency features be found?

I was wondering what new cryptocurrency features may be introduced. How can I find published new cryptocurrency features?
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1answer
56 views

How can I find out which wallet belongs to which cryptocoin? [duplicate]

I have multiple decrypted wallets in the same folder. How can I find out which wallet belongs to which cryptocoin? All wallets are named wallet_x.dat, so the name gives no hint. UPDATE: I have no ...
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2answers
97 views

Decentralized democratic voting [duplicate]

Has the fundamental problem in cryptovoting, one person, one vote, in a completely decentralized or blockchain centric manner been solved? In other words, how can votes be allocated in a ...
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0answers
46 views

Why ripple needs 80% of threshold in consensus? [duplicate]

Why ripple needs 80% of threshold in consensus? What is the mathematical prove behind that? Why not 66% threshold? Because i think 66% threshold in consensus is enough to validate a transaction in a ...
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1answer
50 views

Cryptographic “Central Bank” [duplicate]

Is it possible to create a bitcoin-like system that has a central authority? I know that the reason that many people like bitcoin is that it is completely unregulated, but I was thinking that a ...
3
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3answers
84 views

Which cryptocurrencies deviate significantly from Bitcoin?

There's been dozens of alternate cryptocurrencies but I don't believe many of them did much other than find/replace some strings. We see Bitcoin as made up of the blockchain and proof-of-work via ...
3
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1answer
129 views

Ripple Distributed Consensus Algorithm

What kind of a Consensus Algorithms does ripple use? Is that a leader or leaderless distributed consensus algorithm? Then what?
2
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1answer
57 views

Mini-Blockchain proposal: How is the proof-chain secured against injections?

I have just finished reading the paper Purely P2P Crypto-Currency With Finite Mini-Blockchain by J.D. Bruce. While I got the impression, that the rolling blockchain as an idea might work, I was left ...
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90 views

Creating An Altcoin: How to Lower or Increase Confirmation Times?

When Creating an Altcoin for fun, what variable/attribute do I change in main.cpp file to increase/lower the time it takes for confirmations to take place? Also can the confirmation times be changed ...
3
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1answer
137 views

Why do some mining algorithms run “cooler” than others?

So, there are some altcoin mining algorithms now that run cool, such as X11 and groestl. By cool, I mean even when mining at full GPU capacity, the card still remains at 60C or cooler with little to ...
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1answer
59 views

Bitcoin related research areas [closed]

I have a one year research project in my MSc curriculum. So i was suppose to address a existing issue in bitcoin protocol. Highly appreciate if someone can advise me and give me some ideas. Thank ...
4
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1answer
199 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 ...
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3answers
82 views

How many bitcoin clones are out there? [duplicate]

How many bitcoin clones are out there? I mean people changing the name, the hashing algorithm and a few more parameters and creating a new coin that just keeps on copying bitcoin's source code in ...
2
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1answer
48 views

Is it possible to create a system for 'shared wallets' on top of bitcoin?

Is it possible to build a system on top of bitcoin, where: Random people will deposit money in a wallet X. Nobody has access to that wallet. After a few months, those users will vote in other ...
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3answers
97 views

Is it theoretically possible to limit the hash rate?

I am thinking of developing an altcoin that is truly asic/pool proof. I haven't tried yet (or even downloaded the source code), but I was wondering if it is possible for the network to behave in such ...
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1answer
159 views

How to calculate velocity of Bitcoin?

So determining the value of bitcoin is not the question at stake here. Suppose there's a new bitcoin with a production algorithm that's tied to the feedback rule proposed by McCallum and adjusts ...
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0answers
36 views

Proof of Risk details

I stumbled across Crypto Casino, and it claims to use a "Proof of Risk" system. I have not been able to find any description. Assuming it is real, what is it?
5
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1answer
272 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 ...
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1answer
85 views

If more than one coin did the “mini-blockchain” proposal, would that make the weaker coin vulnerable?

So, I was reading this paper as a proposal to the ever growing blockchain problem. In summary, it's security is provided without a full blockchain by having a proof chain with these fields: Previous ...
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0answers
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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 ...
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1answer
81 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?
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1answer
285 views

How does estimated coins calculated on Coinotron?

On 'Cointron' their is wallet table after logged in into the site, how they calculate estimated coins per day, estimated rewards, confirmed rewards and unconfirmed rewards? How does Coinotron derive ...
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0answers
95 views

CreateNewBlock : ConnectBlock Fail

Error Message at server 2 / 3 (peers trying to connect to main server) root@ubuntu:~/dogequark/src# cat ~/.dogequark/dogequark.cterminate called after throwing an instance of 'std::runtime_error' ...
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3answers
316 views

Are there any cryptocurrencies with no mining beyond participation?

I mean something where just participation in the decentralized network gives you coins somehow and you cannot do anything beyond (excluding more participation, of course, by having multiple PCs and ...
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1answer
37 views

In a perfect world, should RIPE160 be used as the block ID or transaction ID?

Edit: In this question I'm looking at storage advantages, and network bandwidth savings. Given that the TxID and BlockID uses SHA256 to uniquely identify a transaction (and block) is there any ...
2
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1answer
95 views

Ripple node compensation

How does Ripple charge fees for XRP-only transactions to compensate nodes? I've heard of what I can only describe as a "network fee", that some XRP are burned per transaction. What is the motivation ...
4
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1answer
119 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 ...
2
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1answer
182 views

Ripple network overhead

I like the way Ripple provides effectively instantaneous transaction verification. When building consensus how much traffic and their equivalent of orphan blocks are accumulated? Is communication ...
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1answer
160 views

Is Ripple's UNL list maintained by the network?

Who maintains the Ripple UNL list? This says We periodically poll our sources. If they mention a new node with a score over an amount, we add the node to our trusted core set. Who is "we"? Are ...
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5answers
594 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 ...
3
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1answer
53 views

Are there any _severe_ drawbacks of bitcoin justifying all the alternatives?

There exist quite some alternatives to bitcoin that are partially based on it, and I'm sure their creators all are convinced they improve upon something. But are there any serious drawbacks in bitcoin ...
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5answers
794 views

Why can't we design a bitcoin that does useful work?

The bitcoin network, including every miner, is the biggest computing project that humanity has created. Thus I ask: why, instead of using it to generate useless data, don't we use it to generate ...
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3answers
540 views

What are the most popular crypto currencies after Bitcoin?

I am trying to determine which crypto currencies are the most popular with the assumption that Bitcoin is the most popular one. This question is up to different interpretations because "most popular" ...
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2answers
280 views

How does Nextcoin convert 256-bit Curve25519 public keys into ~20 arabic numerals?

Nextcoin seems to convert 256-bit Curve25519 256-bit public keys into "account numbers" that have only arabic numbers and seem to only have a length of 20. How is that done? Examples In the ...
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3answers
1k views

Where do these coins gain their value?

I have been mining coins for a long time (started with BTC/LTC years ago, moved to altcoins recently) and have realized I am not clear on the actual source of the value. Do the exchanges deem the ...
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0answers
143 views

How does Nextcoin select who forges next?

In the Nextcoin protocol, the next forger (miner) is apparently selected by the network. If they do not respond, they are ignored for some time. How does the network do this exactly? Links to the ...
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1answer
110 views

Can two crypto currencies have the same name?

I noted today that coingen.io makes it easy to make crypto currencies. I was wondering if it makes sense to register currencies named after countries, gods and companies to hoard them. AFAIK there is ...
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52 views

Making change in a timely manner

If using Bitcoins in a real world brick and mortar store, a customer presents a paper with a QR code, merchant scans QR code and deducts purchase cost from Bitcoin total presented. How can merchant ...
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3answers
333 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?
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1answer
80 views

Why aren't blocks “zipped”?

Considering how large the total blockchain is relative to average download speeds, why were the blocks never data compressed before being sent? Why could this not be implemented on a new alt?
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4answers
284 views

Are There Examples of Asset Backed Virtual Currencies?

Here is a very natural idea: an entity creates a new virtual currency with the following properties: Only that entity has the capability to issue new quantities of that currency That entity makes ...
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2answers
3k views

Profitability comparisons for Quarkcoin and Primecoin?

I've found sites where you can put your hash rate for scrypt and SHA-256 to check which cryptocurrency would be the most profitable for you to mine, such as: http://dustcoin.com/ ...
3
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1answer
279 views

What protocols are built on top of Bitcoin?

Mastercoin is described as: "both a new type of currency (MSC) and a platform. It is a new protocol layer running on top of Bitcoin like HTTP runs on top of TCP/IP. Its purpose is to build upon ...
2
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1answer
57 views

What exactly would need to be added to Bitcoin to support Zerocoin?

I have read some information about Zerocoin, but not the actual paper. My question is - what exactly would need to be added to Bitcoin full nodes in order to implement it? Just the special "zerocoin ...
2
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1answer
97 views

Cryptoissues? (stocks & bonds)

Are there any examples of cryptoequities or cryptoliabilities? I've seen the cryptostocks site, but it doesn't look to be what I'm envisioning. For simplicity's stake, please imagine a corporation ...