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Questions tagged [ethereum]

Questions about Ethereum are off topic. A blockchain-based "smart contract" system with a Turing-complete contract programming language. Questions about Ethereum should be asked on the dedicated Ethereum site: https://ethereum.stackexchange.com.

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1k views

How does Bitcoin Gigahashes Convert to Ethereum Megahashes?

I bought 6 XFX Rx 480 8GB graphics cards and I estimate they will do 25-30 megahashes with Ethereum. When looking on Amazon for other rig ideas I was reminded that they also sell Erupters. The ...
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1answer
258 views

Cancelled: You need some ETH in the same address as your token to pay the gas to send it

I have a problem in exchanging my altcoins, when i tried to convert TokenCard to Ethereum it is showing the following message: Cancelled: You need some ETH in the same address as your token to pay ...
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1answer
364 views

How to exchange a cryptocurrency from an address that's not in a wallet

Possibly dumb question here (and first-time poster). I have a Coinbase account with several different cryptocurrencies in it. I recently used ShapeShift to exchange ether (ETH) from my Coinbase ...
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1answer
1k views

Download Bitcoin, Etherium, Ripple rates 1min candles

is there any possibility to download archive with rates for Bitcoin, Etherium, Ripple VS USD? I need 1m ... 1w candles. I would like to find such service and download it on daily basis.
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Is there a difference in buying coins with bitcoin or etherum?

So today I decided to throw my hat into the ring and bought some stellar lumen coins. Since bittrex is not currently accepting new accounts I decided to go with poloniex. Poloniex doesnt offer ...
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468 views

Where can I find On Balance Volume for bitcoin? (or ETH, LTC?)

I recently read about the usefulness of On balance Volume (OBV) in predicting price movement. I use GDAX and don't think it has OBV. (Or is there?) Any exchange that displays OBV? Thanks.
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1answer
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how much Mh/s is 15000 h/s?

) Question: When Genesis is writing 15000 h/s for 12000usd what is that in Mh/s? I plan to mine Ethereum at the speed of 15000 h/s which is the fastest speed you can buy at Genesis. Then I intend ...
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1answer
1k views

How does Exodus wallet (or other wallet) exchange bitcoin to other cryptocurrency?

I have been using Exodus wallet for a very short time. And it shows that I can exchange bitcoin to many other cryptocurrencies and wise versa. I still couldn't find a good answer on how this exchange ...
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1answer
123 views

How is ethereum related to bitcoin?

Is ethereum related to bitcoin? does any one know weather they are related or not.
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1answer
998 views

Is there a pro vs con chart comparing Bitcoin's Rootstock vs Ethereum Smart Contract system?

Is there a comparison chart where one compares Rootstock to Ethereum? What are the pros/cons of each system?
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1answer
1k views

Why iota coin do not support smart-contracts?

I thought that Iota-coin have a lot of common with Ethereum, but I hae found that it do not have support of smart-contracts. I googled about what was there reason of do not implement it (I really ...
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How are eth transaction faster than btc? [closed]

If I'm not wrong miners are trying to find nonce that satisfies a rule. Then why is btc so slow? I want a technical answer. Can btc ever match eth speed, given no politics?
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1answer
92 views

ETC vs ETH how do I know the difference?

How do I know if Ethereum is ETH or ETC, when the exchange just offers "Ethereum"
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1answer
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What are options to store bitcoin or ethereum in different types of places?

I know to option to store bitcoin. 1) A wallet 2) A exchange but both are unsafe As far as i know wallet save the coins offline in your phone and hence if you break your phone or lost it coins are ...
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0answers
39 views

Has Crypto Domain ETH.com Been Sold? [closed]

The domain name is listed for sale on a marketplace namely Uniregistry Market. Thus, it is Ethereum(dot)com for sale about $10 million. Check here to read more: Ethereum(dot)com for sale
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0answers
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Looking for a generic wallet solution with focus on security [closed]

As above, I am looking for a coin agnostic wallet solution with all basic functionalities of a wallet, particularly multi-sig. Primary coin focus is on bitcoin, bitcoin cash, bitcoin gold, ethereum, ...
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1answer
85 views

How does ENS prevent frontrunning attacks?

Namecoin uses commitments to hide the domain. ENS uses simple hash, which is not hiding.
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1answer
1k views

What database engine does Bitcoin and other top altcoins use?

I'm curious to what database engine does Bitcoin and other altcoins use to store their blockchain data. Do they all support sql queries or is it something else? The main ones I'd like to know are: ...
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1answer
92 views

Applying blockchain in telemedicine app involving 'video sessions with doctors' for more transparency

PS: there was no 'Blockchain' community so I'm posting the question here. Hi, I am very new to blockchain but understand the basic underlying concept of blockchain. I can understand application of ...
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3answers
7k views

How much can I earn with AntMiner S7 miner

I have started to learn about blockchain technologies, BTC and other crypto-currencies and right now interested in mining. I know that mining of BTC is not very profitable right now, but other ...
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3answers
249 views

Transparent Crypto Bitcoin 2.0 Technologies vs Anonymous Bitcoin Crypto 2.0 technologies?

I'm still doing more research on Crypto 2.0 or Bitcoin 2.0 technologies and still weighing the pros and cons of each. So far we have the following technologies that are either backed by a company or a ...
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1answer
88 views

How many proof-of-work algorithm exists for crypto currencies?

How many proof-of-work algorithm exists for crypto currencies ? We know PoW in Bitcoin and Etherium are different. Is there any other algorithm used for crypto currencies ?
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1answer
210 views

Are Ethereum Tokens issued in an ICO similar to stocks on a stock market? [closed]

Are Ethereum Tokens issued in an ICO similar to stocks on a stock market? In which ways are they similar, and in which ways are they not? To give some background to my question. I just joined an ICO ...
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1answer
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Using NBitcoin or C# to derive Litecoin and Ethereum Addresses from Master HD Key

I am using NBitcoin, C# and the Bip44 standard to create an hdroot to derive child keys from. I then create keys that I want to use for Litecoin and Ethereum addresses by setting the proper 'coin_type'...
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1answer
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Are for-profit companies possible in Ethereum?

I am getting my head around DAO in Ethereum. In a magazine I read: In principle you could programme a taxi company that bought cars and paid drivers to run the cars to make a profit in order to buy ...
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0answers
271 views

Adding Nano S Ledger hardware wallet to Parity wallet [closed]

I used to have this here, but accidently told it to forget the contract. Now I want to add it back, but it doesn't show up. I have followed these steps: https://github.com/paritytech/parity/wiki/...
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1answer
317 views

How do I securely store different CryptoCurrencies?

I may be seen as a newcomer and and a non-tech-savy person for asking this, but after serveral hours combing the internet, I now have to admit my defeat and ask the question instead of just finding ...
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1answer
91 views

Better Crypto Currency for trading [closed]

Can anyone suggest me which crypto currency is better for trading? Is it Bitcoin or Ethereum? Prices in USD as of 21/08/2017 and time 18:03 (UTC+05:30): Bitcoin = $4041.53 or Ethereum = $325.76
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Check password for ethereum wallet

I have ethereum wallet and wish to check if some password was used to create it. How this could be done?
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1answer
201 views

Crypto Mining with PC

I have PC - i7-6700K CPU @ 4.00GHz & graphic: Intel Corporation HD Graphics 530. My Os is Ubuntu. How many Mh/s i could receive for Ethereum? Let's assume the current is free.
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1answer
209 views

Which wallet can I use to store all my cryptocurrencies ?

I'm new to cryptocurrencies and I would like to store all my currencies (I read here and there that it is not safe to store everything on Coinbase). So I tried Coinomi which seems quite good but is ...
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1answer
824 views

Why are Virtual Machines used in Ethereum?

I'm wondering why the Ethereum Virtual Machine (EVM) is used? What if they didn't use it? Why don't we have them in Bitcoin?
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1answer
269 views

Fastest way to transfer funds from Ethereum address to Bitcoin address [closed]

I have an Ethereum address with some Ether in it, and I would like to transfer some of those funds to a Bitcoin address. I am wondering what's the quickest and most painless way to perform the token ...
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1answer
193 views

Can I Hook Up RX-460 to Regular PCI Slot via PCI-E Riser

I have motherboard with 3 Regular PCI slots beside 3 PCI-Express slots. (https://www.asus.com/Motherboards/M4A88TDV_EVOUSB3/specifications/) Can I Hook Up 3 RX-460 to Regular 3 PCI Slot via PCI-E ...
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0answers
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Real bitcoin buying versus forex speculation [closed]

so I had a discussion with the colleges today and I would that my arguments would be verified here. Basically the question is what are the differences between buying and selling real cryptocurrencies ...
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1answer
2k views

Need Guide: what is the hashrate for ZOTAC P106-100 6GB GDDR5? [closed]

One vendor is offering 20 GPUs and each $224.00 . Is it good card for mining ETH and what is the best hash for this? Please let me know your experiences. Is it worth to buy for ETH or other coins?
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2answers
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When are you charged a withdraw fee?

I'm a bitcoin newbie and think that I am missing something. I'm based in Australia although I'm not sure if that matters. I would like to buy and hold for an extended period some bitcoin and ether. ...
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1answer
298 views

What is the status of smart contracts in bitcoin?

Are contracts described here already available for use? This source claims that "Ethereum style contracts" will be available in June. Is this correct? How are Ethereum style contracts different from ...
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1answer
104 views

Relative licensing restrictions of Ethereum and other projects- Open Source?

Is Ethereum open source? I've heard different things from different people. Stephan Tual has written: "Everything at Ethereum, including our website, our tools, our whitepapers and of course our ...
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2answers
74k views

What is Gas Limit in Ethereum?

What is the function of Gas Limit parameter in Ethereum? Is it involved in mining or something else?
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2answers
215 views

Problem of colored-coins/assets and other coins with a parent/child relationship of paying for fees with only the parent currency

I've looked into building out my own coin, but it was best to just piggy back on top of an existing blockchain like how colored coins and counterparty is doing it. But when going on this route, I run ...
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4answers
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Is it true that colored coins or digital assets (counterparty / ethereum / nxt assets / etc.) have an issue of paying fees?

I'm looking to setup my own digital asset or coin on either counterparty or nxt assets or ethereum to distribute to my loyal customers, but I noticed that even if I created an account for my customers,...
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1answer
842 views

Does bitcoin have the potential to be subject to a hard fork where miners are forced to choose which fork they will accept, like Etherum?

Some background (Taken from Quartz): Ethereum is similar to bitcoin, but it also supports smart contracts, agreements written in computer code that execute automatically when conditions are met....
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3answers
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Can blockchain be used for auditing?

It has been argued that with the use of blockchain in auditing, the transaction and the record of the transaction will be the same thing. What does this mean?
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2answers
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The Ethereum gas limit seems prohibitively low. Will it ever be raised? If so, when and how?

I'm having trouble publishing contracts and executing transactions due to the low gas limit (3.14 million gas ~0.15 ETH). How and when will the gas limit rise?
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1answer
241 views

What is the DAO, and what is its connection with Ethereum

So the DAO was hacked due to a vulnerability in the way they wrote their smart contract https://blog.ethereum.org/2016/06/17/critical-update-re-dao-vulnerability/ The Ethereum plan is to fork the ...
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1answer
353 views

Smart contracts in bitcoin

Is it possible in bitcoin to start a smart contract preloaded with some amount of money. And if some other user is ready to pay to the smart contract a certain amount of money, the smart contract ...
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0answers
91 views

Whisper Implementation in Bitcoin

Is there some kind of implementation in bitcoin to communicate between nodes, which is similar to the Whisper Communication in Ethereum ? Whisper, is a communication protocol for DApps to communicate ...
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2answers
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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 ...
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1answer
430 views

Does ethereum run on the bitcoin blockchain?

If not, what is the relationship, if any, between Ethereum and Bitcoin and/or the Bitcoin blockchain?