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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0answers
177 views

Is it possible to create a Dapp on top of Bitcoin?

Is it possible to create a dapp on top of bitcoin similar to how it can be done with ethereum? Can it be just as capable as ethereum?
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537 views

Does Bitcoin Blockchain solves Byzantine General Problem?

If bitcoin blockchain solves byzantine general problem, can you give an example of how it solves it? Thanks
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776 views

Ethereum Code bots…Scam or not?

So new I cant even afford to trade crypto's yet, but looking and learning. I came across some Ethereum Code bot, promising 13k a day etc etc...one of those "sounds to good to be true" things really. ...
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1answer
207 views

Questions about blockchains, network trust and why becoming a node? [closed]

everyone, I'm a software developer and I'm striving to understand the concepts behind blockchain and the projects running on them. I'm not sure if this is the correct place to ask these questions, ...
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1answer
168 views

How is Ethash a 'memory hard' algorithm if it utilizes peak GPU memory bandwidth?

According to the Ethash algorithm described here, the computation for each nonce requires a loop of 64 iterations, where each iteration reads a chunk of 128 bytes from a pseudo-random location in ...
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1answer
40 views

Can a cryptocurrency be liquid while it is in its pre-sale, or even ICO

I am planning to run a Coin's ICO for several years, not interested in the gains to be made from selling out ICO in 3 days NO, but interested in using the COin to end Global Poverty as i deem fit. So ...
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1answer
476 views

Why is Ethereum total network hashrate still increasing if there are no GPUS to buy?

The total Ethereum network hashrate is close to doubling relative to its December level. Mining difficulty is also increasing proportionally of course as the total reward per block stays the same. ...
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1answer
37 views

Can multiple small graphic card memory collect more mining hash rate

If I set multiple 3GB GTX 1060 , It can generate more hash rate than single GTX 1070 6GB. Can I still mining ETH by this 3 Gb cards when the bloCk size of eth is over 3 Gb. EXPLAIN ME.
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1answer
197 views

In what sense does the security model of proof-of-stake require users to “log on to the internet every few months”

This is primarily a question about something I heard Vitalik Buterin say in an interview the other day. (Unchained podcast's January 9, 2018 episode, at 34 minutes, 15 seconds) I quote: As far as ...
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1answer
33 views

What factors decides the number of tokens to generate?

Tron has decided to generate 100B tokens with some initial price? What parameters do these centralised crypto owners consider before deciding the number and price of tokens?
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1answer
38 views

Displaying price in ETH based on USD exchange rate [duplicate]

How do i get the ETH rate in USD, and stored in a variable in php?
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Can any one suggest me what is the valid process for Issuing Token in ICO [closed]

Can anyone suggest me what is the valid process for Issuing Token in ICO? Actually, I have seen some ICO that send Tokens after some delay (some time 48 hrs). I just want to know that what is the ...
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3answers
121 views

Etherium based tokens [closed]

When we say certain crypto currency is based over etherium, for instance TRON, does it mean they have used etherium code from github and modified as per their use case? Or is it something completely ...
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1answer
389 views

How to exchange bitcoins held in electrum to ethereum?

How to exchange Bitcoins to Ethereum through shapeshift.io or changelly.com, from Electrum bitcoin wallet to Jaxx ETH wallet? In electrum wallet do I need to subtract the Bitcoin mining fee manually, ...
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1answer
112 views

Crypto currency as gift

I'm staying in Germany and I have a friend in India. He has a few ether coins in his wallet in India which he bought mid of 2017. He now wants to sell them. But in India, because of taxes, he will ...
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1answer
537 views

How to connect existing MEW to Trezor?

I have got my new Trezor but I don't know how to connect my existing myetherwallet to trezor ether address ? Is there any way I can directly import and connect to trezor ? Or I have to create a new ...
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1answer
2k views

Radeon RX 580 8GB vs 4GB. Does memory matter?

Does GPU with more memory provide better mining for Ethereum? Here is a Quora an answer: In general, 4GB is sufficient for even the most demanding hashing algorithms and you will not see any ...
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2answers
166 views

Is there a chance to return all of the lost money invested when the chart goes back up? [closed]

Let say, for example, I invested $3 to buy 21 TRX (Tron Tokens), usually a token under Ethereum platform but still working the same as other altcoins when the value goes high, where the price is ...
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1answer
4k views

Current transaction fees for various cryptocurrencies

Is there a place that lists current transaction fees for various cryptocurrencies like Bitcoin, Litecoin, Ripple, Ethereum, Bitcoin Cash etc.? The best would be fees converted to some fiat (USD, EUR) ...
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1answer
2k views

Tax implications of withdraw fee from one exchange (Binance) to another GDAX/Coinbase

I transferred 0.2 ETH and 0.3 ETH in separate transfers from GDAX to Binance (GDAX does not charge a fee for this). Then, I transferred back from Binance to GDAX all 0.5 ETH, but since Binance ...
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1answer
131 views

ETH smart contracts v/ traditional

total newb here. I purchased some ETH on an exchange which uses smart contracts, it is in that exchange wallet. I have another wallet which does not support smart contracts, only "traditional" ETH ...
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3answers
141 views

Even though Blockchain is tagged as “ Decentralized”, wouldn't the organization actually implementing the Blockchain like Ethereum control it?

For example, If I were a business that would want to use the Ethereum Blockchain technology to shift my business to Blockchain, wouldn't Ethereum be in control of the actual underlying Blockchain ...
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1answer
366 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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4answers
152 views

is it possible to be able to buy cryptocurrencies other than bitcoin, litecoin and eth with USD

I've been looking online for quite sometime but it doesn't seem like I can find this exact answer. I've been looking to buy some cryptocurrencies but I'm hoping to be able to buy them with USD. I ...
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2answers
108 views

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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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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1answer
2k views

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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2answers
511 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
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
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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2answers
2k views

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
95 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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2answers
1k views

Restore Wallet From Jaxx to Coinomi: ETH missing (but BTC and LTC are fine)

I have some BTC, ETH and LTC in a wallet created with Jaxx, but I want to use Coinomi instead. I downloaded Coinomi and chose Restore Wallet and entered my 12 words. My BTC and my LTC popped right up, ...
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1answer
69 views

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
64 views

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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3answers
417 views

How to create Ethereum brain address? [closed]

I have used bitaddress.org to create a brain wallet for my Bitcoin. Now I would like to create a brain wallet for my Ethereum using Bitcoin Improvement Proposals (BIP) 32/39/44/49 technologies. Is ...
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2answers
796 views

How are ERC20 tokens sold in an ICO before being listed on exchanges?

In many places you see talk about tokens being listed on exchanges AFTER being sold in a successful ICO. How was the token sold during the ICO? Did the buyers transfer ETH / BTC to some addresses and ...
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1answer
253 views

How to send Ethereum from a “paper wallet address” to another address using an API?

I have an "Ethereum Paper Wallet Address" and this address has $5 USD amount of Ethereum. I want to transfer that ether to another Ethereum address using an API. Please let me know if any more ...
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1answer
1k views

Coinhive for bitcoin/ethereum

I know that CPU mining wouldn't pay for electricity bill, but what if some sort of CPU miner was deployed to a website? Similarly to CoinHive with Monero. Would such mining make sense? I started ...
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1answer
93 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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2answers
172 views

HyperLedger Fabric from IBM is fork of Tangle or Etherium?

I read as if HL Fabric was the most interesting thing ever created on the use of blockchain, but when I read the documentation (very short) about Hyperledger Fabric I came across some coincidences. ...
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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
302 views

Who managed bitcoin and ethereum decision making? Who approves Bitcoin upgrades and forks?

To my knowledge in Bitcoin and Ethereum decision makings are decided by the miners and developers. I like to know who makes the final say on the approval of a change to Bitcoin/Ethereum code or ...
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1answer
1k views

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
247 views

Why Ethereum is growing in USD but decreasing in BTC?

Please explain to me why the ETH/BTC price is decreasing but ETH/USD price is increasing. How does that work? Why it costs less in bitcoins but more in USD?
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1answer
89 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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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
259 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
2k views

Why are other sell limit orders being filled before mine on exchanges like gdax?

If I place a sell limit order for ETH/BTC for 4 ETH at 0.07086, when there’s currently only 0.5 ETH on it. It becomes 4.5 ETH total. Then I see it start flashing up and down, up to 10, or 20, then ...