9
votes
What are the differences (and value adds) among all the different Crypto Currencies?
99% of altcoins claim an "innovation" that is broken or unproven.
I would say that the first thing to do is look at unique codebases that aren't based on Bitcoin, which basically means (besides ...
- 346
8
votes
Accepted
Why can't timestamps be a substitute for blockchain?
But then the next problem is transaction order and validity to prevent double spending. I don't understand completely why a timestamp can't just be included for every broadcasted transaction, and the ...
- 19.7k
7
votes
What are the differences (and value adds) among all the different Crypto Currencies?
A very large majority of these altcoins are essentially scams. There is a cottage industry that takes a coin, changes something minor (name, logo), and releases it with great fanfare, enticing people ...
- 786
5
votes
How scalable is a Blockchain-based system?
Blockchains are not really scalable. For the most security, blockchains need to be replicated on as many devices as possible. Those devices are full nodes and must download and verify every single ...
- 68.5k
5
votes
Why can't timestamps be a substitute for blockchain?
But then the next problem is transaction order and validity to prevent double spending. I don't understand completely why a timestamp can't just be included for every broadcasted transaction, and the ...
- 68.5k
5
votes
Accepted
NXT, Ignis, and Ardor Confusion. Purpose of NXT when there is Ignis / Ardor?
If NXT is switching to Ardor, what is the purpose of holding NXT?
Nxt isn't switching to Ardor. It will still exist after Ardor launches. The purpose of holding NXT with this in mind is if you need ...
- 281
4
votes
Is there an opensource crypto-currency exchanges engine?
Bitsquare.io is currently the state of the art and it is open source:
https://github.com/bitsquare/bitsquare/
- 381
4
votes
Accepted
How are gridcoin transactions validated?
Gridcoin is a proof-of-stake coin. Transactions are bundled and signed like any other blockchain, but with proof-of-stake the chance to sign is determined by coin balance and the time since your last ...
- 104
4
votes
Accepted
Does it make sense to design a mutable blockchain?
I agree more context is needed to provide a more directly meaningful answer.
But in general: a blockchain allows users to interact without trusting a central authority, instead they verify the ...
- 18k
3
votes
electrum, jaxx, and exodus
Here is how to create a paper wallet for almost any Cryptocurrency :
https://steemit.com/cryptocurrency/@bad.r2017/how-to-create-a-paper-wallet-for-any-cryptocurrency-in-7-steps
- 165
3
votes
Which cryptocurrency has the smallest block time?
EOS has blocks that are published every ~500ms, so around two blocks per second. That's a contender for the top spot for sure
- 31
3
votes
Digital currencies pegged to dollar value
NuBits is really interesting in how it pegs to the USD, which they explain in the white paper. I'm guessing you don't want to go hunting through there (white papers can be ... daunting), so the short ...
- 355
3
votes
Is PBFT a consensus algorithm?
PBFT is Practical Byzantine Fault Tolerance. It is a "classical" consensus algorithm that uses a state machine. Uses leader and block election to select a leader.
PBFT is a three-phase, network-...
- 259
3
votes
Can the coin symbol prefix in a cloned NXT blockchain start with a digit?
No, adding a coin symbol prefix is not doable as it will impact other functions that might take it as a parameter. Your better off just doing it on the front end using a css :before class using the ...
- 11k
3
votes
Can an account prefix in a NXT clone blockchain be longer than three characters?
No, currently the account prefix (ACCOUNT_PREFIX constant) must be exactly 3 characters. This could be fixed in future.
- 336
3
votes
Accepted
A Blockchain that merges mining forks and could be more power-efficient?
Something that is very similar to what you describe is the concept of "Uncle Blocks" used in Ethereum. Even there, though, there are no partial blocks and nobody would continue to mine on a "half-...
- 72.6k
3
votes
Accepted
Can a blockchain have duplicate block hashes?
Assuming SHA256 isn't broken, this isn't possible in Bitcoin, as the only way to find data that hashes to the same thing is when the data is the same. Since every Bitcoin block contains a hash of its ...
- 102k
2
votes
How are some coins premined?
There are various ways to premine coins, some are use for scam coins and others are used by experimental altcoins.
The premining made by scam coins are usually made with 3 methods:
1-At the first ...
- 21
2
votes
How to experience the thrill of mining?
Run Bitcoin Core with the -regtest flag set:
For situations where interaction with random peers and blocks is unnecessary or unwanted, Bitcoin Core’s regression test mode (regtest mode) lets you ...
- 2,321
2
votes
Is there a way to set up proof-of-work systems so they would be even more useful?
If you made the computation "useful" in some other sense, then in principle you could just sell that "useful" output, and thereby decrease the net economic expenditure securing the blockchain, making ...
- 132
2
votes
Is there any bitcoin fork which goal is storing arbitrary information?
Storj is a blockchain based solution for encrypting and storing data. More information can be found about the project at storj.io
- 2,680
2
votes
Accepted
Will the increasing difficulty in Bitcoin mining push miners to a different currency?
It appears that miners consider Bitcoin to provide the largest ROI.
There are dozens of other coins that use SHA-256D as their hashing algorithm, if it were more profitable to mine any of those, ...
- 72.6k
2
votes
Accepted
Non bitcoin like blockchains
That's just bullshit bingo material. They try to get attention by throwing a few buzzwords around. It happens all the time with other terms. Not long until some politician tells a sentence like this:
...
- 3,224
2
votes
electrum, jaxx, and exodus
I am in the same questions for myself during last few days, up to date have found quite a lot info online :
Recently there have been some troubles with security of Jaxx, more or less real, more or ...
- 21
2
votes
Is it possible to use the same BIP39 list of seed words to create addresses for different crypto assets?
BIP 43/44 gives each coin a unique derivation root. Many wallets use this, including some multi-currency wallets.
Be careful when using multiple wallets with the same mnemonic though; the least ...
- 878
2
votes
Delegated Proof of Stake (DPOS) vs. Proof of stake?
Important distinction of DPoS from PoS is that in DPoS, there is no minimum stakeholder token requirement to participate and instead of stakeholder tokens proportionately representing their ability to ...
- 102
2
votes
Can the coin symbol prefix in a cloned NXT blockchain start with a digit?
It should be OK for the prefix to start with digit. Or at least this works for me in Constants.java:
public static final String COIN_SYMBOL = "5Coin";
public static final String ACCOUNT_PREFIX = "5CN"...
- 336
2
votes
Accepted
IoT to Hyperledger Fabric, and Tracing / Certifying data
I can certify that the ledger has not been altered by the administrator of my company, but how can I certify that my admin has not altered code listed on those 3 points ?
If I can't guaranty that code ...
- 18k
1
vote
How difficult is it to invent a new cryptocurrency? (In regards to time, money, technical knowledge, etc.)
quick approach:-
Not that difficult , Just fork a github repo of a smart contract supporting ERC20 token starndard and deploy the contract on main net.
developer approach:-
If you want to make ...
- 119
1
vote
Where does Bittrex/Binance (alternative cryptocurrency markets) get their coins?
Pure exchange like Bittrex neither need, or have use for a huge reserves of cryptocurrencies. Their service model is based on providing a platform for peers to sell and buy coins/tokens.
Also, they ...
- 1,286
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