Questions tagged [ethereum-classic]

Ethereum Classic is the chain where the DAO rescue hardfork did not occur. This tag is for questions dealing with the differences between the chains, usage of multiple chains, as well as cross-chain interaction.

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How does Ethash work?

I've looked at the wiki in search of how the information about Ethash algorithm but I did not find the answer. Where can I find detailed information about it or can someone explain it?
Jose C.'s user avatar
  • 53
3 votes
1 answer
180 views

Unable to understand how smart contracts work

I'm reading several articles about privacy in ethereum smart contracts but still I don't understand how everything in the smart contract is visible to anyone? What does this mean?
bunjee's user avatar
  • 115
0 votes
1 answer
140 views

Testing Smart Contract

We all know a smart contract is a normal piece of code which can have intended and unintended bugs. DAO attack is such an example where a bug has led to a heavy loss. Suppose I want to check what all ...
anand011090's user avatar
1 vote
1 answer
68 views

I transferred coins to an address that belongs to ETH wallet instead of ETC [duplicate]

I have a problem. so, Ask for help. by mistake, I transferred coins to an address that belongs to ETH wallet instead of ETC. Is ther a solution for this? Pleas, see below.
Lee  Minhhwa's user avatar
1 vote
0 answers
878 views

Mining Nanopool almost without shares?

I'm using nanopool to mine ethereum classic, but Nanopool tells me that my device is offline because it doesn't get any shares This is my account : https://etc.nanopool.org/account/...
Motivation Q's user avatar
7 votes
2 answers
2k views

Does ETH and ETC uses the same network ID?

Can someone tell me what happen after the hardfork (due to DAO attack)? There are 2 ethereum cryptos after the fork, so there should be 2 different network. Are they using the same network ID? How do ...
Thomas's user avatar
  • 447
1 vote
1 answer
299 views

Sent my ETH from Remitano to COSS but I cannot find my TXID on Etherscan. Why? [closed]

I already made an ETC transfer from Remitano to COSS.IO. However, when I try to track my provided TXID, there is nothing in Etherscan. TXID: ...
Nicholas Huynh's user avatar
0 votes
1 answer
272 views

mistakenly sent ETC to ETH address on Cryptopia [duplicate]

I have mistakenly sent ETC from Cryptopia To an ETH address.How can i recover my ETC back.
Nadeem Khan's user avatar
0 votes
1 answer
126 views

Is there any version of ethereumjs-testrpc for ethereum classic? How to launch geth --rpc in geth classic version on linux?

I was wondering if there is any version of that local test version but for ethereum classic. Another question is, in order to use web3.py and geth in my VPS ubuntu terminal...how can I open a geth --...
Jorge's user avatar
  • 309
0 votes
2 answers
1k views

Restoring ETC using an ETH wallet

I mined some Ethereum before the DAO hardfork. At the time I didn't really understand what the hardfork meant. I just went with the flow and updated the software and I didn't realize I also received ...
Ilan's user avatar
  • 21
1 vote
1 answer
7k views

Can't send ETC from MyEtherWallet using MetaMask wallet

I'm using Metamask with MEW. I sent 1.14 ETC to the address. I also sent some ETH for gas to the same address as seen below. But when I go to MetaMask Chrome Ext, it only shows ETH. When I go to MEW ...
T.Helva's user avatar
  • 31
0 votes
1 answer
2k views

I sent ETH to ETC from coinbase to Bitsane how do I get my coins back? [closed]

I sent ETH from coinbase and received confirmation that they were sent, but It looks like I sent it to ETC from on Bitsane how do I get my coins back? I am very new to this process and very ...
David Buda's user avatar
0 votes
4 answers
5k views

how to create multiple owners : Solidity

I am creating a contract in which i want is like multiple owners have the rights to whitelist the user. contract Whitelist { mapping(address => bool) Users; address private owner; ...
Sandeep Gupta's user avatar
8 votes
1 answer
876 views

Can I use web3 with Ethereum Classic?

I just learnt using web3 to interact with Ethereum. Is there a similar library to web3 to work with Ethereum Classic? Is there a testnet faucet? Does it work with Parity? Thanks in advance for your ...
Eduardo's user avatar
  • 241
0 votes
1 answer
402 views

Address has balance on both chains… What does this imply in my case?

I just saw http://gastracker.io/addr/0xD0A70CF1C09E5824F6B0833688D29aE43AB48d86 Does this imply I can send ᴇᴛʜ if I have only access to ᴇᴛᴄ balance ? I don’t control the private key of this address ...
user2284570's user avatar
0 votes
2 answers
496 views

How does Mist know that I'm using Ethereum Classic?

I went to the guide on Ethereum Classic website, and the instructions there are exactly the same as with installing a regular Ethereum account. There is no difference, so it looks like I can send ...
notaswimmer's user avatar
2 votes
2 answers
1k views

How many nodes are supporting Ethereum Classic?

To avoid high fees, I am considering deployment of Smart Contracts on Ethereum Classic (around 20 fold cheaper than ETH) but a concern is about network soundness and security. So I was wondering how ...
Juan Ignacio Pérez Sacristán's user avatar
1 vote
1 answer
119 views

How to call a payble function in embark? When I am trying it is showing gas limit exceeds

when I am trying to call payble function in embark it is showing gas limit exceeds. Please tell me where I am wrong? ///////////////// Index.js: $('#buy button').click(function() { ...
Shubhabrata Mukherjee's user avatar
0 votes
1 answer
742 views

Sell ETC from my Ledger Nano S (Ledger Wallet Ethereum)?

I have som ETC on my Ledger Nano S and now I want to send them to my bank account. In Ledger Wallet Ethereum app I get the option to send them to a "Ethereum IBAN or account" What is that ?? Do I ...
Sune Ranum Brandt's user avatar
2 votes
0 answers
74 views

What are possible ways to find a startup to join remotely? [closed]

I was wondering which ways there would be to find remote work for an Ethereum or Ethereum Classic based startup. Or some other crypto, who knows. My goal is to co-found a startup so I can get crypto ...
nixygum's user avatar
  • 21
0 votes
1 answer
97 views

solidity string variable compresion

I am try to compare a string variable in solidity code, mainly i have to check if the string is empty or not. How can it be achieved and also how much long/large of a string i can save in a string ...
user5740953's user avatar
1 vote
1 answer
290 views

Sent ETC to ETH and need to know how to recover please! [closed]

I traded ETC from project.github.io/etherwallet to ETH at BTC-e and didn't realise the difference in blockchains. How can I access this? I did this in June. All help appreciated. I have the API keys ...
j.Case's user avatar
  • 11
1 vote
1 answer
605 views

Sent ETC from Jaxx to Coinbase ETH wallet accidently [closed]

I accidently sent ETC to an ETH wallet. Sent ETH from Jaxx to a Coinbase ETH wallet. ETC not appearing now on coinbase because I sent it to an ETH address. Please can you help me with this? I am ...
Narendra Dabasia's user avatar
1 vote
0 answers
876 views

How to sweep Ether from multiple private keys at one go?

I have private keys in CSV format.
Midnight Engineer's user avatar
0 votes
1 answer
165 views

Transaction Starvation in Ethereum

A miner chooses a particular transaction on basis of its GAS price i.e. miner generally doesn't pick a transaction with a lower gas price if he has options of other transactions with more gas price. ...
anand011090's user avatar
2 votes
1 answer
315 views

How was the name “Solidity” chosen?

Academic and historical interest, how was the name "Solidity" conceived by Gavin Wood. Every name has an interesting history, can't find much on Solidity though. It is based on ECMA script standard, ...
Mayukh Mukhopadhyay's user avatar
0 votes
2 answers
601 views

Reading parameters from Smart Contract

I have a Crowdsale smart contract taken from the example provided by Ethereum on their website. The Crowdsale contract contains the addresses of the people who participated in the Crowdsale. Is there ...
Jessie James Suarez's user avatar
1 vote
1 answer
108 views

how does a smart pool identifies the valid block in ethereum

I have been reading this paper https://eprint.iacr.org/2017/019.pdf. To my understanding, the miners send the shares in batches and later the smart pool verifies the shares with sampling with ...
Laxmi Kadariya's user avatar
0 votes
1 answer
451 views

How to confirm a multisig ETC contract wallet transaction that requires two account signers?

I created a multisig contract wallet with Ethereum Wallet that requires two signatures well before the ETH/ETC hard fork. I'm just now coming back to try and move my ETC out of the 2sig contract ...
etcdumbdumb's user avatar
1 vote
1 answer
189 views

Multisig deployment created ETC standard wallet - how to access?

I made a multisig wallet on the ETH chain in December or so last year. It has an ETC parallel to it which I cannot access. As you know multisig wallets don't have private keys. And I can't use the ...
rhodesian_ridgeback's user avatar
0 votes
1 answer
215 views

Moved presale ether after the fork how do I split?

I bought ether at the presale and moved it to another address after the fork. I still have the original wallet backup, but I'm uncertian on the process to claim ETC. When I scan my Address on Ethereum ...
Dondiego's user avatar
1 vote
1 answer
535 views

Having problem in getting array value in Solidity

Hi I am New to Solidity!. I have a simple array which adds some numbers in an array pragma solidity ^0.4.11; Contract TestArray{ uint[] public numbers; function addNumber(uint number){ ...
Faiz Munshi's user avatar
1 vote
1 answer
5k views

Accidentally sent ETC to an ETH address [duplicate]

I incorrectly sent some ETC from my bter account to an ETH address on Poloniex. https://etherscan.io/address/0xa257d73760c8918aac1367ee983c1b4341f6c357 https://minergate.com/blockchain/etc/...
ethnoob101's user avatar
0 votes
1 answer
903 views

Sent transaction between ETH and ETC accounts

Halp! I sent a transaction between an ETH account and an ETC account by accident! How can I recover the ether?
lungj's user avatar
  • 6,660
3 votes
2 answers
2k views

ether from json file

I have a json file with ether created before fork. Now I want to sell ETC without moving ETH. My question is how to do it properly? What if I'll restore file into ETC wallet and spend it. Is possible ...
lucash9's user avatar
  • 31
4 votes
0 answers
486 views

How can I use a Presale JSON file to keep my ETH long-term in cold storage and sell my ETC seperately?

I received Ether during the Pre-sale in June 2014 and received a JSON file and have the password. I have never tried to access these funds. I found out that I should have ETC & ETH due to the hard-...
Firedawn's user avatar
3 votes
1 answer
194 views

ReplaySafeSplit contract on Mist v0.8.10

I'm trying to split my ETH/ETC from a presale wallet in Mist v0.8.10. I've followed the original Steemit post on running the split contract yet when I go to run the contract it doesn't show a field to ...
Guy1979's user avatar
  • 31
0 votes
2 answers
678 views

How to find the contract wallet JSON and ABI thanks

I'm trying to find the JSON and ABI for one of my contract wallets with multi key here: 73fd0499558056bede6b5f7b31ca59936deda1d4 - d38b4e14167a75adb77d19acd5ebdf59473ffb4c - ...
Frabarto's user avatar
5 votes
1 answer
5k views

storage warning in solidity! [duplicate]

storage error is showing in line number 6 for string title, If I add the storage keyword in between, how does it affect my contract? Does it affect my byte code or gas consumption in later use. The ...
Shubhabrata Mukherjee's user avatar
1 vote
1 answer
8k views

I sent My ETC to my ETH address

I've sent a mistake ETC from ETH address from poloniex. How do i do now. This is my transaction (this is a fresh address) http://gastracker.io/tx/...
Luan Nguyen's user avatar
2 votes
2 answers
263 views

Acquired Ether in the presale. Using Mist, how do I split into ETH and ETC?

Acquired Ether in the presale. Using Mist, transferred ETH into an account. How do I split into ETH and ETC? Want to take the ETC to an exchange. Thx.
smurphy165's user avatar
2 votes
1 answer
1k views

flag provided but not defined: -oppose-dao-fork

I just tried synching to the Ethereum Classic blockchain with geth --oppose-dao-fork. I was using Ubutntu PPAs but I hit an error at a certain (can't find which one now) which was a known issue with ...
spraff's user avatar
  • 645
0 votes
2 answers
3k views

I accidentally sent some ETC to an ETH wallet

I accidentally sent some ETC to an ETH wallet. The transaction was completed, Poloniex told me that they can't do anything. The coins never got to my wallet but went to the ETC blockchain, ...
user11991's user avatar
1 vote
1 answer
212 views

How to send a self-defined cryptocurrency in ethereum?

I'm new to this and I have a question regarding the following case: suppose I defined and deployed a coin A, so coin A publicly exists in the network. Now suppose there is another contract called "...
Yue  Liu's user avatar
  • 11
0 votes
1 answer
470 views

Updating data in ethereum Blockchain using Javascript

Suppose I'm having a form wherein I'm taking Name, Password and EmailID and I get the values. How will I be able to update/reflect the data in the ethereum blockchain? In truffle console, it is ...
Goks's user avatar
  • 3
2 votes
0 answers
403 views

Are there any companies working on blockchain with clojure? [closed]

Are there any commercial FinTech companies or startups are working on blockchain technologies using the Clojure programming language?
pankajdoharey's user avatar
0 votes
2 answers
4k views

What happens to wallets during a hard fork?

What happened to "Ethereum" wallet balances when Ethereum was forked from Ethereum classic? For example if someone had a wallet prior to the fork, would that wallet then be compatible in both ...
Greg's user avatar
  • 105
3 votes
1 answer
367 views

How it is possible to keep multiple copies of same transaction data at multiple nodes forever?

I have read about DApp "decentralized applications" & Blockchain but still I am unable to understand how multiple nodes can keep whole history of all transactions forever? After some time when ...
MyO's user avatar
  • 133
1 vote
1 answer
298 views

Storing ETC in smart contract

Is there any possibility to write an Ethereum based smart contract which can store ETC along with ETH?
Aniket's user avatar
  • 3,515
1 vote
1 answer
3k views

Retrieve ETC balance using geth

I'm struggling to retrieve my current ETC balance using geth. For mining I'm running: ethminer -F http://etc-eu1.nanopool.org:18888/<ADDRESS>/<NAME> -G Syncing the blockchain with geth: ...
shebang's user avatar
  • 13