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23 votes
Accepted

Ropsten testnet is under kind of attack? What can we do?

Update - 25th March 2017 Ropsten has been revived! We are pleased to announce that the Ropsten testnet has been revived! Thanks to a generous donation of GPU hashpower, the Ropsten chain has ...
Richard Horrocks's user avatar
9 votes

Once I have created my new Crypto Currency, how may miners mine for my currency?

The miners will mine on the Ethereum Blockchain, they do not need to mine your currency specifically: they secure all contracts on the chain.
Olmo Ziarko's user avatar
7 votes
Accepted

Would a fork require miners to update software it they mine on a pool?

A pool miner would not have to update their mining software (ethminer or equivalent) to go to the forked version of the chain. It is up to the pool, running the Ethereum node software (geth, parity ...
BokkyPooBah's user avatar
  • 40.3k
7 votes
Accepted

Mining solution found

This is because you are mining as part of a pool (nanopool), with that being said, any blocks found by the pool are mined collectively and the reward (5 ETH for a block + transaction fees or uncles) ...
Sifundo Moyo's user avatar
7 votes
Accepted

How to do Ethash CPU mine using ethminer?

Please note the the github code I am sharing is forked from https://github.com/ethereum/cpp-ethereum and Version 1.3.0 of etherminer that actually can do CPU mining, which is implemented around 1 year ...
alper's user avatar
  • 8,404
7 votes
Accepted

What do miners get paid for mining on the Ropsten testnet?

Presently, Ropsten miners get paid in ether in the Ropsten blockchain for finding blocks, uncles, and transactions (via fees). The reward is currently the same number of Ropsten-ether as on the main ...
lungj's user avatar
  • 6,680
6 votes
Accepted

Sync blockchain while mining?

From CPU Mining with Geth: Note that mining for real ether only makes sense if you are in sync with the network (since you mine on top of the consensus block). Therefore the eth blockchain ...
BokkyPooBah's user avatar
  • 40.3k
5 votes

Ropsten testnet is under kind of attack? What can we do?

Ropsten is to be considered dead, and parity launched a Proof of Authority testnet called Kovan. Read the proposal here: https://github.com/kovan-testnet/proposal To update your testnet from ropsten ...
q9f's user avatar
  • 33k
5 votes
Accepted

is it possible to run pending transactions on local node to see the outcome?

You can totally simulated the transaction througth eth_call. Her are the code snippets of eth_call and apply transaction (source from go-ethereum): eth_call (could not change state) // Setup the ...
Peter Lai's user avatar
  • 317
4 votes
Accepted

ethminer Failed to submit hashrate

Your client is trying to submit something to the server that's operated by the pool. Instead of returning valid json like it should; the server returns a string: Database Error It seems obvious to ...
Sjon's user avatar
  • 164
4 votes

GPU can't allocate the DAG in a single chunk. Bailing?

Try ethminer.exe -G --list-devices It will list openCL compatible devices. You have to check that both MEMORY and MAX_ALLOC sizes are bigger than the current DAG (a bit more than 1.4 Gb at the ...
Stephen Thiel's user avatar
4 votes

Sync blockchain while mining?

It depends if you mine solo or not. If you mine solo yes as @BokkyPooBah explained well you need to get geth synced. If you mine on a pool ethminer should be enough.
euri10's user avatar
  • 4,640
4 votes

ethminer not recognizing multiple GPUs (AMD Radeon / Ubuntu)

For people who're having this problem with a headless Windows box: ethminer must be started from the system, not via Remote Desktop and there should be a dummy plug or a real monitor connected to one ...
Christian's user avatar
  • 201
4 votes

Ropsten testnet is under kind of attack? What can we do?

If you've sent any transaction in last 48 hours or so, then it's because of the 51% attack on ropsten, which is not resolved yet. Follow the link below: https://www.reddit.com/r/ethereum/comments/...
Vixon's user avatar
  • 557
4 votes

Mining stops after generating DAG for epoch

I assume you have started the miner using geth console. Why I'm saying this, I couldn't see --mine in your geth initiation command. This will be the same again even though miner is started. This ...
Seetharaman GR's user avatar
4 votes

How to attach ethminer to parity node

Don't use cpp-ethereum, it's barely maintained. Use Genoil-ethereum for mining. Enable stratum support with parity --stratum, also make sure you set an author with --author <your-address> and ...
q9f's user avatar
  • 33k
4 votes

Once I have created my new Crypto Currency, how may miners mine for my currency?

Just to elaborate a little on Olmo's answer, your token is a Smart Contract. The entire Ethereum network works together to ensure Smart Contract code executes as written.
Rob Hitchens's user avatar
  • 55.4k
4 votes

How can I maximize the probability that my ETH nodes stay synchronized with mainnet for as long as possible?

My "cloud" nodes, on the otherhand, spend the majority (yes, the majority!) of their time lagging by hundreds (or even thousands) of blocks behind mainnet. Syncing heavily relies on the IOPS ...
n1cK's user avatar
  • 3,398
4 votes
Accepted

How can I maximize the probability that my ETH nodes stay synchronized with mainnet for as long as possible?

Besides what Nikita said, there is the chance that your problem is related to which ports are open. Be sure to open port 30303 (or your discovery port) so other nodes can find you (if you want to) and ...
Hari GTT Psicolabis's user avatar
3 votes
Accepted

ethminer not recognizing multiple GPUs (AMD Radeon / Ubuntu)

Finally fixed my issue. Here's what I had to do: From the BIOS, I had to set the motherboard to use PCI-e graphics (it was set to use onboard graphics). I had to make sure I plugged any monitor into ...
Dan's user avatar
  • 231
3 votes

How do I know that I am mining?

It seems you have an issue with coloured output in your geth client. The ←[31m0←[0m are colour codes which were not interpreted by your terminal. However, if you ignore everything between ← and m you ...
q9f's user avatar
  • 33k
3 votes
Accepted

Setting Up Geth / Ethminer - Am I Doing This Right?

Don't use geth to mine, it won't really work. Use something like Genoil ethminer 1.1.7 All you need to do is create an account for yourself (use Mist to do that), then join a mining pool like ...
Ross Perkins's user avatar
3 votes

ethminer Failed to submit hashrate

I also had this error and complete deletion of the ethminer folders under ~/.ethash and restart of ethminer did the trick.
Nicolas Massart's user avatar
3 votes
Accepted

Account Balance 0 after 1 full day of GPU mining - GTX 770 - go-ethereum and ethminer

You won't succeed unless you are more patient and have a higher hashrate, please get some info about your rewards capabilities on a mining reward calculator, see Does my mining situation sound normal?
Nicolas Massart's user avatar
3 votes

Ropsten testnet is under kind of attack? What can we do?

Check this out ! Kovan to the rescue :) http://www.ibtimes.co.uk/parity-pushes-new-ethereum-testnet-kovan-after-spam-attacks-1609901
Aurel IANCU's user avatar
3 votes

How can i see the balance of my geth wallet?

You can use https://www.myetherwallet.com/ to check your balance without downloading the blockchain. Then select "View Wallet Info" > "View with Address Only".
Ismael's user avatar
  • 30.4k
3 votes

How to mine ethereum on Linux

Coinbase explicitly mentions you should not be mining to their wallet addresses. You CAN mine to any JAXX address though which makes an easy to use solution. Once you have a wallet setup on Jaxx, ...
mcstar's user avatar
  • 171
3 votes
Accepted

Brand new miner on Windows 10, with 1060 GTX 6gb

Try adding --no-precompute to your args list. I was struggling with a similar issue on a very similar setup and this is what got me back up and running again.
Ryan Lutz's user avatar
  • 146
3 votes

How do I set my Ethminer adress?

I am assuming you have ethminer installed.... you need to also be running your own node. The miner will not run without a node to run on top of. You can use geth or parity both are pretty popular. in ...
TovarishFin's user avatar
3 votes
Accepted

Ethminer pool mining success log

It should look like this: 04:29:49.568|ethminer Solution found; Submitting to ... Submitted and accepted
speksy's user avatar
  • 146

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