systems, such as Bitcoin, that lack any single central authority to validate their operations and which have to use other means to determine the validity of operations.

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2
votes
1answer
53 views

Are transactions in a block decided by mining pool operator?

My assumptions: Most pools have an operator. All individual miners part of the pool work on block with address of the coinbase transaction owned by pool operator. pool operator gets all the bitcoins ...
2
votes
1answer
121 views

What is Multi-PPS (Pay Per Share)?

I know the original proposal on bitcointalk is here, but can someone explain it more succinctly? How does Multi-PPS work? Can it actually prevent mining centralization?
2
votes
1answer
397 views

How to store 30kb file using Decentralized Blockchain Data Storage on NXT (nxtcoin) by attach messages?

I'm curious to how would one store a 30kb file on the NXT blockchain since the NXT protocol can attach a 1000byte message. My test scenario is storing a 30kb midi file on the nxt blockchain and then ...
2
votes
1answer
43 views

How does Darkcoin achieve anonymity without centralisation?

Darkcoin is supposedly completely anonymous. How does this work without any centralisation? Is there one person with all the transactions and only they mine?
0
votes
1answer
40 views

Decentralized product inventory (instead of simple orderbook)

I am thinking of creating a decentralized market place with public bidding. AS far as I have researched all cryptocurrencies and such only offer public ledgers with simple orderbooks. The only data ...
0
votes
2answers
28 views

What are the pros/cons of the Multigateway service on NXT?

I'm doing some research on the decentralized exchange multigateway on the NXT platform. I was wondering what are the pros/cons of this service compared to centralized exchanges like cryptsy?
6
votes
3answers
541 views

What are some of the advantages & disadvantages of the following: Colored Coins and Counterparty

Seeing the release of coinprism wallet for colored coins and I'm also playing with counterparty.co What are the main differences among these two competing decentralized asset managers? I see that ...
4
votes
2answers
157 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 ...
-10
votes
1answer
105 views

Open source doesnt mean transparency [closed]

Code released by the XRP businessmen for both the client and server...is totally controlled by the XRP owners. Preprinting(easier than premining) is dishonest, and against fundamental principles of ...
2
votes
1answer
232 views

Do we know who runs the big mining pools?

After looking at the hashrate repartition https://blockchain.info/fr/pools. It seems to me that bitcoin is quite centralized, and that two big actors (mining pools company who run the bitcoind server) ...
1
vote
3answers
441 views

Is there any centralized cryptocurreny?

Is there any centralized cryptocurrency? Is cryptocurrency a Bitcoin oriented concept only? From what i read almost all of the cryptocurrencies are derivatives of Bitcoin.
3
votes
1answer
421 views

Is there a list of all cryptocoin currencies? [duplicate]

Apart from bitcoin, I know few other crypto currencies (by this I mean currency which works in a similar way to bitcon). They are: namecoin lightcoin ripple I also heard about SolidCoin, but as ...
2
votes
1answer
101 views

Why is decentralized e-commerce good or better?

All of the promotional materials (videos, papers, articles, etc.) on Bitcoin bill it as a decentralized solution for e-commerce/online financial exchanges that bypasses traditional banks, federal ...
7
votes
1answer
619 views

What is the Ripple equivalent of the “51% attack?”

In Bitcoin, if a participant gains control of more than 50% of the hash power, they can execute a double-spending attack. The "attack" could come from within, say if the existing powerful miners ...
13
votes
3answers
5k views

How is a hard fork resolved?

In March 2013 there was a fork following the v0.8 release. The issue was resolved rather efficiently, as explained in the post-mortem report. However in this process there were winners and losers: the ...
1
vote
1answer
261 views

Where does bitcoin-qt try to connect to when running for the first time? [duplicate]

My question is, where does bitcoin-qt try to connect to when running for the first time? How does it know where to connect? Is blockchain.info some domain that has discovery services? If yes, then ...
0
votes
4answers
666 views

Is mining the unfair part of bitcoin in the same way banks (or rather, fractionary reserve systems) are to current monetary system?

I've been reading a lot about bitcoin lately and I'm very interested. Especially, when it comes to making a currency that is way more fair, because it avoids a centralized control of it. However, in ...
2
votes
0answers
59 views

What are some resources that analyze “how centralized Bitcoin really is”

Are there any blogs that track the centralization in Bitcoin? Is it growing, or is Bitcoin becoming less centralized over time? E.g. I believe mining pools have become somewhat less centralized in ...
1
vote
1answer
64 views

Is there a way to create decentralised rating system akin to #bitcoin-otc?

I'm wondering if there is a way to create a ranking system similar to #bitcoin-otc, but making it decentralised?
7
votes
3answers
839 views

Decentralized escrow functionality built into Bitcoin?

AFAIK there are a few websites out there that offer escrow services for Bitcoin. Those however are central, i.e. I have to "trust" them. Is it being discussed, is it theoretically possible, or does ...
9
votes
2answers
356 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, ...