All Questions
622 questions
1
vote
1
answer
603
views
ethminer -G Segmentation Fault [duplicate]
I'm having a very weird issue... My rig has 3 RX 480 and it seems unstable as soon as I install the driver. I've tested all OS (windows 8 32 bits, 8.1 64 bits, Windows 10, Ubuntu server) and I'm now ...
- 11
2
votes
3
answers
530
views
Is it possible to build stand alone application which can interact with ethereum client and block chain?
I am trying to develop a stand alone application in c++ using the c++ libraries provided for building cpp-ethereum client (http://www.ethdocs.org/en/latest/ethereum-clients/cpp-ethereum/building-from-...
- 184
2
votes
1
answer
4k
views
Mining Nanopool for 24H with Radeon RX 480 and yet no shares found
I am mining with Ethminer in Nanopool for around 24h (or more) and I still didn't find any shares so my account is not yet created in Nanopool. I think this is not right.
I use the miner like this:
...
- 185
4
votes
3
answers
2k
views
How can I get MHash value when ethminer doesn't provide one?
In order to set up the ethminer I need the MHash value. I'm testing CPU, so I ran:
ethminer -M
and I got a weird output:
Trial 1... 0
Trial 2... 0
Trial 3... 0
Trial 4... DAG 17:33:59.896|miner0 ...
- 443
3
votes
2
answers
2k
views
Eth address can't be used for mining
I'm trying to mine from my linux, but when I run the following command:
ethminer -F http://ethereumpool.co/?miner=4@ERroYPhmyUFMgPNRJEDNBlaBlaBla@Optional
I get error
JSON_PARSE_ERROR: The JSON-...
- 443
1
vote
2
answers
1k
views
Not able to assign ethers to account in private chain
I am running a testnet with init property for genesis block i am able to create an account and its working fine only problem is that i am not able to assign any pre ethers to an account which i was ...
- 455
7
votes
1
answer
10k
views
ETH sent to ETC address
I accidentally sent ALL my ETH on ETC address :(
6 months of mining gone :(
I sent from one exchange to fresh address on another exchange, but on ETC ...
Is there ANY way to track those coins?
I'm ...
2
votes
1
answer
2k
views
Problem with ether mining, stuck in DAG generation loop
i am completely new to ether mining, recently attempted to mine some ether using my desktop.
I came across a comprehensive guide from this link: https://www.cryptocompare.com/mining/guides/how-to-mine-...
- 21
2
votes
1
answer
101
views
How to automaticlly find the contract?
I created a private network using go-ethereum with 2 clien which are VMs(ubuntu 14.04).
On VM1, I created a contract:
N1greeterSource ='contract mortal { address owner; function mortal() { owner = ...
- 173
1
vote
3
answers
482
views
Synchronisation failed on private ethereum network
I created a private network using go-ethereum with 2 clien which are VMs(ubuntu 14.04).
On VM1 (IP:192.168.217.131):,my command to create private network:
./geth --genesis private.json --port "...
- 173
1
vote
0
answers
70
views
What do the progress bars on the Alethzero "blockchain download" window mean?
I'm exploring Alethzero. What do the progress bars in the "blockchain download" window mean? I'm seeing this:
I'm assuming this relates to the progress in dowloading the blockchain but I can't work ...
- 8,618
2
votes
1
answer
704
views
How can I get eth console?
I'm new to ethereum.
I downloaded eth, geth, and mix from https://www.ethereum.org/cli, but I can't find ethconsole.exe file in the zip file.
The only executable in the zip file is eth.exe. I tried '...
- 343
0
votes
1
answer
646
views
Colored coin in Ethereum to differentiate the wallet ether balance
I have heard of the concept of colored coin in bitcoin , is there anything similar in Ethereum?
I want to have a single wallet which maintains two types of ether
.
lets say one coming from me ...
- 333
8
votes
2
answers
14k
views
How to use static-nodes.json / trusted-nodes.json to prevent connection loss on private network?
I have 2 nodes running on private network under the same network id connecting through
sudo geth --identity "testpython manage.py runserver 0.0.0.0:8001" --networkid 1100 --mine --nodiscover --rpc -...
- 333
5
votes
6
answers
11k
views
how to connect to geth from two local machines ethereum
I am new to Ethereum and tried everything to connect testnet from two local machine nodes.i tried with running two consoles in single machine by admin.addPeers(nodeUrl) and could connect. when i tried ...
- 333
5
votes
1
answer
2k
views
Create a new contract by JSON-RPC of cpp-ethereum
I want to create a new contract by JSON-RPC and cpp-ethereum.
I find out eth_sendTransaction can help me to do this.
And let do it, I need to set "to" parameter like that:
to: DATA, 20 Bytes - (...
- 173
6
votes
2
answers
7k
views
How to apply pyethrecover.py on v3 .json/transfor v3 .json to .v1
I'm trying to get pyethrecover.py running via Python on one of my .json files that were created by Ethereum-wallet for Mac. It seems that my .json file is v3 and the pyethrecover.py only works for v1 ...
- 61
1
vote
1
answer
756
views
I can I restore Mist to reset master password?
I lost my Ethereum Wallet master password. I have all my account passwords. I've backed up my wallet, and application data. How do I restore Mist to create a new master password? How do I back up the ...
- 101
0
votes
1
answer
261
views
The "why" of immutable contracts [duplicate]
I'm new to blockchain technologies and I'm trying to grasp the "why" and the real "value" of immutable contracts.
In software engineering is pretty much accepted that no piece of logic is ever ...
- 167
2
votes
2
answers
476
views
Why immutable contracts [closed]
I'm a seasoned engineer, but quite new to blockchain technologies.
I'm trying to grasp the "why" and the real "value" of immutable contracts.
Never seen or heard of pieces of software being ...
- 167
3
votes
1
answer
851
views
Geth and qtminer: 0 balance after 2 days with 3.2MH/s
I'm using Geth + QtMiner:
qtminer.exe -s asia1.ethpool.org:3333 -u 0x37830e9f76198f82cdb81821a7a380c82e24b4f9.maplerichie -G --opencl-platform 1
My average hashrate is just around 3.2MH/s but ...
4
votes
1
answer
265
views
How do I output the full account on the node?
http://etherscan.io/accounts/a list of all normal account on the node.
http://etherscan.io/accounts/c list of all contact account on the node.
How did obtain this information? Where did that ...
- 73
2
votes
0
answers
54
views
How to clear Ethereum chain data on windows? [duplicate]
I'm using the ethereum wallet, which uses geth. I keep getting the time out of sync error message. I know i need to clear my bad chaindata. How do i do this?
- 115
11
votes
4
answers
18k
views
ethminer Failed to submit hashrate
I keep getting an error: ethminer Failed to submit hashrate :(
I am very new to this whole mining thing, and just want to learn more.
I am using:
Geth
Version: 1.5.0-unstable
ethminer version 1.2.7
...
- 133
2
votes
1
answer
72
views
Deploying Network; Using Different PC for different user
I am using MIX IDE in Windows.
I have created a new smart contract in Contract.sol, I have 4 Pages of html and there are 4 users.
Each html page is controlled by each user. The pages are also ...
- 111
2
votes
2
answers
738
views
Cannot send ETH or DAO via Ethereum Wallet (Mist)
I have DAO and ETH in my Ethereum Wallet. Every time I try to send it, I input my password and press send, and it sits there saying "confirming" for a few minutes. Eventually, it just reverts back to ...
- 21
0
votes
1
answer
430
views
Error installing cpp-ethereum in homebrew
I am getting this error when attempting to install cpp-ethereum in homebrew. Not sure where to begin...please help!
/Users/Macbook/projects/ethereum
==> brew install cpp-ethereum
==> Installing ...
- 263
3
votes
2
answers
434
views
What are the incentives of holding ETH if developers and businesses can issue their own cryptocurrency for use in their Dapps running on Ethereum?
Will these new Ethereum based cryptocurrencies be able to transact freely between fiat and other cryptos outside of Ethereum?
Or would they be able to only convert between ETH?
The only way ETH ...
- 43
4
votes
3
answers
692
views
ClamAV finds eicar in chaindata ldb and quarantines file
What would happen if one of the .ldb files from the mist chaindata was deleted, i.e. /Users/yourname/Library/Ethereum/chaindata/060540.ldb was removed.
One of the ClamAV engines found a test virus ...
1
vote
1
answer
53
views
How to save/reload the fake blockchain in Mix
I'd like to save the state of the fake blockchain and to reload it on Mix startup. Any hints?
- 906
3
votes
0
answers
302
views
Unable to receive ether in testnet account [closed]
I have set up a test net account using the ethereum wallet on my PC. I have left my miner on in the test environment for several hours and failed to mine test ether. I have also tried getting ether ...
- 53
4
votes
0
answers
85
views
Fail writing to state database. Bombing out [closed]
Problems updating state on C++ ethereum on Ubuntu Linux 14.04
disks, /tmp have plenty of space.
eth was installed from ethereum ppa, is used intermittently to check balances and do transfers (...
- 161
2
votes
1
answer
2k
views
How to compile qtminer on linux?
Etherchain provides the source code of the qtminer on github. However, no build instructions and no build helpers are provided.
Does anyone have any idea how to compile qtminer on linux? What are the ...
- 33k
3
votes
1
answer
2k
views
How to run my own full node pool? (error: unexpected identifier)
When I run this geth with the following parameters:
geth --rpc --rpcaddr "my ip" --rpcport 8545
I get an error like:
(anonymous): Line 1:13 Unexpected identifier (and 1 more errors)
Please help.
- 101
6
votes
1
answer
1k
views
Unable to send raw transaction
i'm working on to the morden testnet and using a nodejs application i wrote (using ethereumjs-util, ethereumjs-tx) i'm trying to push a raw tx on to the testnet.
I've tested GETH "eth....
- 219
6
votes
1
answer
330
views
How to implement Ethereum protocol to some tinyOS, e.g, contiki?
I find out Ethereum has many implements to many OS with many different languages.
But i don't know if I want to use ethereum as protocol on contiki OS or cooja simulation, so what is the best choice ...
- 455
4
votes
1
answer
111
views
Strange popup window trying to send ether when I run aleth zero. What should I do?
I ran aleth zero and mined with aleth one a while back. I had mined some ether from a mining pool.
Now when I run aleth zero (updated client for windows), I get an annoying and unstoppable pop up ...
- 141
7
votes
3
answers
26k
views
Sent ether from wallet to bittrex, 12 hours later no balance on bittrex [closed]
So I made an account on bittrex and I created a hex address so I could transfer over my ether, I went into my wallet and sent 0.1 ether to bittrex, 12 hours later my bittrex account still shows a 0 ...
- 111
2
votes
3
answers
1k
views
How to build C++ Ethereum without GUI/Qt?
I want to have a clean install of the turbo ethereum C++ clients and command line tools without any GUI dependencies (Qt, etc.) - How to build C++ Ethereum without GUI/Qt?
I see AlethZero and ...
- 33k
3
votes
0
answers
347
views
How can I install Ethereum on the Windows 10 Ubuntu Bash
Windows 10 new preview release includes the Ubuntu Bash.
I would like to know if anybody has had some luck installing ethereum using the bash, and can provide details instructions.
apt-get install ...
- 1,405
3
votes
1
answer
1k
views
ethminer || Segmentation fault: 11 [duplicate]
I recently updated cpp-ethereum. I am now on ethminer version 1.2.3
when I start it to mine with ethminer --opencl-device 1 I get the folowing output.
Getting work package...
Segmentation fault: 11
...
- 723
4
votes
1
answer
282
views
Stuck in sync process
Node type: geth/eth
OS: windows 64 bit
Network type: main
Mist version: 0.4.0 (trying to update to 0.5.2)
The problem is my mist wallet wont sync, i have taked a screenshot of Geth running and mist, ...
- 41
2
votes
0
answers
44
views
How can I go about switching from eth to geth while keeping my same accounts? [duplicate]
I'd like to move my accounts from the eth client to geth. Also, I'd like to keep the same addresses. Is this possible?
- 16k
2
votes
1
answer
341
views
cpp-ethereum (Homestead) starts resyncing blockchain
I just installed cpp-ethereum 1.2.2 in order to upgrade to Homestead. When eth is started it begins to re-sync the blockchain from block 1, while the whole blockchain is already on my machine.
Is ...
8
votes
3
answers
6k
views
CPU mining JSON_PARSE_ERROR
I just wanted to mine ETH with my CPU. I use Windows 7 64 Bit with ethminer.
I started the cpu miner with a batch
ethminer -t 6 -C -F http://ethereumpool.co/?miner=5@0x17C0Bea7c44*******...
- 161
8
votes
3
answers
5k
views
Mining ETH on HD 6950 DAG allocation problem
I have 2 HD6950's which I wanted to use for ETH mining - but I have the well known DAG allocation problem.
I can't find a solution for this problem - that's why I'm asking here. And please don't tell ...
- 161
2
votes
1
answer
986
views
Have key store file and password - how can I access my ETH without Mist/Geth
Maybe a Noob question. I have the text file from the keystore folder. I have the password. How can I access my funds without using Mist/Geth? These are not working on my computer. Is there an online ...
2
votes
0
answers
118
views
Cannot enter commands into eth 1.2.1 on Windows
When I enter eth console I get this back and am not given a prompt back to give any commands. Also when I go to enter the password, it does not give me a prompt, but typing in my password and hitting ...
- 445
4
votes
3
answers
2k
views
Is there a way to transfer my ETH from a cold storage to a hot storage without compromising it?
At first I wanted to use myetherwallet.com but now I am afraid the code may be hacked / corrupted some day.
The cold storage solution seems safer to store ETH in the long run.
While I understand how ...
- 183
7
votes
1
answer
3k
views
Is there a downloadable Ethereum bootstrap?
I am trying to synchronize a full node, and this is going very slowly, the progress alternates between bursts of high CPU usage (which is fine, it is heavy but importing), and long times with nothing ...
- 171