Questions tagged [mining]

Mining is the process by which it is ensured that the blockchain is the same across all nodes. A miner that solves a cryptological problem related to the previous transactions on the blockchain is rewarded with Ether.

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21 views

claymore dual ethereum v.15 …and AMD cards

It says automatically sets environment for amd ...but also in v14.7 says both amd and Nvidia card supported except radeon7 cards...I guess what I'm asking is why can't I use my r7 or r6 ? I'm new to ...
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Any platforms that do validator selection using pre-committed hash chains?

Has this mechanism for selecting validators been proposed and/or implemented in any distributed ledgers? Validators pre-commit hash chains of length w. When creating a block, validators commit the ...
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Do ERC20-type tokens make a 51% attack more profitable?

A successful 51% attack (PoW or PoS) would allow the attacker to double spend any token, not just ether, so the greatest possible payoff is equal to the value of all ERC20-type tokens plus all ether. ...
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Difference between Kovan and Rinkeby? [duplicate]

I understand that both the Rinkeby and Kovan testnets employ the Proof of Authority (PoA) consensus algorithms. I also understand how PoA works. However, I still dont understand how Kovan and Rinkeby ...
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Geth mining stuck: Commit new mining work on Ubuntu instance

I have an Ubuntu instance running on aws ec2. I'm currently using Ubuntu server ec2 instance with the configuration as: 1 vCPU, 2.5 GHz, Intel Xeon Family, 1 GiB memory. I'm running my Geth on this ...
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What makes a transaction not mined and stay in txpool?

What Makes a transaction in txPool not mined ?
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Can I start mining before my node is fully synced?

I'm trying to mine some Ether on Ropsten, using a Geth node configured as follows: --verbosity=3 --networkid=3 --testnet --mine --fast --cache=8192 --datadir=./data --etherbase=0xMyAccountAddress --...
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How do Miner choose transactions for a block?

i am wondering how a Miner chooses the transactions, he want to mine inside a block. For example, a Miner has got the Transactions T1 and T2 at the moment he starts a new mining work. This Miner is ...
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How can I make geth to mine just pending transactions and no additional coins?

Since on my private test newtork based on go-ethereum (geth) I want only the miner thread to start when there are pending transactions, I am using the following script: var mining_threads = 1 ...
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PoW and transaction validation

Does PoW validate transactions too? In other words, would it be possibile to mine wrong transactions (yet I know they are not trasmitted to other peers). Thanks in advance!
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How simulate blockchain and smart contract in VANET?

I am a beginner in the blokchain, I am blocked how I start simulate a blockchain and smart contract in vanet. Can you help me and inform me how I have to simulate blockchain and smart contract in the ...
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Pending transactions not mined in private network

I have created a node with the following genesis block: { "config":{ "chainId":9119, ...
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How mining happen in private and permissioned blockchain?

In public blockchain a miner gets rewarded for mining a block. But in a private or permissioned blockchain, if there are no rewarding facilities available, how does the mining happen? Also, is it ...
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Making difficulty static - Geth

I made a setup for a private PoA network with geth. Everything works fine, regarding mining, making transactions, connecting through http and websockets. Now I need to optimize transaction time, I ...
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Has ERC20 mining been disrupted?

Do you know why a single address of type contract is mining 38% of 0xbtc? Does it mean that a single person has find a way to mine as much 0xbtc as a whole mining pool? Plus how come a contract is ...
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Uncle blocks got generated during the mining process with only one node[one miner]?

In order to increase the speed to mining, I edit some code in consensus.go to reduce the speed of increasing the difficulty of mining. Somehow, when I have my speed of 20 per block, I found that the ...
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After POS is implemented, what stops mining pools from being formed?

There won't be "mining pools" but stake pools but what if someone creates a system where participants stake everthing in one place in order to make the mkst money? Is this allowed and is this a ...
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Why is a failed transaction included in the blockchain as a “failed transaction”

According to this highest upvoted answer, "but still include it in the blockchain as a "failed transaction"... What is meant by the term "gas"?
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Can I rely on certain oracle to know the precise and reliable timestamp?

I am learning the security impact of smart contract on system properties like block.timestamp and block.number. I understood that block.timestamp can be controlled by the miner to certain degree and ...
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“The bigger the block size, the greater the computational power needed to mine a block” Does this make sense?

I was going through one of the papers and the authors in the paper mentioned this statement. I am not able to find the correlation as such. I do understand that Larger blocks may propagate slower ...
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miner.stop() returns null does not stop mining on private chain

I am using Version: 1.9.0-unstable of geth, and I noticed miner.stop() does not work anymore. I am sure it always worked. > eth.blockNumber 901069 > miner.stop() null > eth.blockNumber ...
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How to find out the number of Validators of a transaction if i have its transaction hash

I want to find out how many validators have validated my transaction.My transaction has is 0x051430dc5cd84c44954e43b25f8709c9c1a1c634f384ec6dd7610f6f945732e1 can anyone tell me how many validators ...
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Parity doesn't send a notification to ethminer

I can't get the ethminer to work with my private network. I start the parity in stratum mode, passing my own config file as a parameter, and then launch the ethminer. He successfully logs in and ...
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Relationship with smart contract and block confirmation

I have known Bitcoin need 6 blocks for confirmation. However, In ethereum, It is different depend on clients By this post What number of confirmations is considered secure in Ethereum? It takes ...
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Mining pool assign blocks

I've been researching mining pools to figure out how they assign work to miners. I understand that pool would get a job from the blockchain they only has a header, dag, difficulity, probably block ...
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How to get the miner address of a block with infura Rinkeby endpoint?

I've read some docs online that to get the miner/sealer/signer address of a particular block that runs with the Ethereum PoA/Clique consensus (the Rinkeby testnet for example), I need to call the ...
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Sending ethereum smart contract transactions to miners

We are building a decentralized document issuance application using the ethereum blockchain. For every transaction, some gas costs deduced in the form of ether. Is it possible to host ethereum miner ...
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Update on the projected coin inflation for ethereum?

I've seen this question: What is Ethereum's inflation rate? (how quickly will new ether be created) but the answers are vague and out-of date I know that Bitcoin is halving and all coins will be ...
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How to modify the algorithm of transaction selection in Ethereum private net?

By default, miners select transactions with high fees from the mempool. So, transactions which are dependent and have a specific order can be selected randomly without respecting this order. Will I be ...
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What is the difference between account nonce and block nonce?

Block and accounts both use a value called "nonce" but they seem to represent something very different. For account I understand that the nonce is an integer quantity indicating the number of ...
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Three questions

I have recently become interested in crypto and after much reading on Ethereum I still have three burning questions that perhaps some of you can help with. Apologies in advance as some of these might ...
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How to detect mining based on power consumption?

Is there any data from power consumption of ASICs to understand the mining process? Is there any pattern to know about that?
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Ethereum mining on the Hades Canyon NUC8i7HVK

Has anybody successfully used the GPU on the NUC8i7HVK to mine Ethereum. If so I'm looking for a way to do this. Thanks.
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what is the miner that includes the transaction in their block to mine it

When user send transaction, all evms execute automatically smart contract and which miner include this transaction inside block to mine ?
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Are block timestamps decentralized?

One thing I don't understand about the Ethereum protocol is how timestamps work. If I, as miner, have a reason to fiddle with timestamps (such as adding a few minutes to decrease the mining difficulty)...
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how execute smart contract step by step?

I have a few problems understanding the step of execution of transaction in smart contract. 1-When a user send a transaction to smart contract, this smart contract is not executed immediately instead ...
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Geth Dump Has Been Running For A Week

For my project I want to dump the full state data of all Eth wallets/balances. I have a fully synced Geth node with all state data (over 2TB). I started a block dump geth dump 7300000 --datadir "/...
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msg.sender.balance inside contract

what does/should msg.sender.balance return when used inside contract? Assume we have contract A, calling B, which is calling C. msg.sender is propagated with the calls down to B and C The user is ...
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Static difficulty in 1.8.27 for local network

I am having trouble getting geth 1.8.27 to have a static difficulty on a private network. I followed the instructions from here. But when I test it, the difficulty still increases. I tried again, ...
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GUI miners for Private Ethereum Blockchain

I have setup a multinode private Ethereum blockchain with geth. I am using geth miner (miner.start(thread) at geth console) for mining blocks but my other nodes users want to use GUI miner instead of ...
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ASICs versus GPUs in Ethereum mining?

Is there any way to assess the number of blocks being mined in Ethereum by ASICs versus the number of blocks being mined by GPUs percentage-wise? And also, what impact do you believe ProgPoW may have ...
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On an Ethereum private chain, can the rewards of mining be user-defined? [duplicate]

I have created my Ethereum private chain via Geth. I noticed that the rewards to block miners are pre-set as 5 Ether. Can I change this setting?
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Custom miner checks in a private chain?

I have used the ideas from the link [1]How to make miner to mine only when there are Pending Transactions? in my private chain. I have a couple of questions, - How can I add custom code on the miners ...
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Stop Data mining on Private Blockchain running on Etherrum platform

We have setup a private blockchain platform using Ethereum and we are using Java based UI layer for it. Can we stop mining process as it is taking lots of time and making the transactions slow?
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Will miners meet the situation that they can not find the nonce?

Because the Nonce is uint64 in the Golang code. the code is here: // Compute the PoW value of this nonce digest, result := hashimotoFull(dataset.dataset, hash, nonce) if new(big....
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What is the philosophy behind the difficulty setting and block generating time?

We know that on the Ethereum mainnet, generating a block always costs about 15 seconds in order to maintain the synchronization. Yet, why it is set to 15 seconds but not a larger or smaller value? ...
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When is a new block created?

I am currently reading an interesting book about solidity, and I'm reading about block creation. This gives a good overview: The book mentions that the maximum size of a block is determined by the ...
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is it possible to run pending transactions on local node to see the outcome?

I am looking for a way to execute current pending transactions on local node, to see their outcome and log events, without really mine it. it is some kind of pre-simulation, to see what is going to ...
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Is mining specific to unpermissioned blockchain?

I was studying the differences between permissioned vs. unpermissioned blockchain and came across this: https://www.youtube.com/watch?v=llCjL1up65M Here it mentions that mining is not required for ...
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Use Ledger Wallet as etherbase for mining on private network

I would like to use my ledger as the wallet that will validate blocks on a private network with a geth client. I can have access to my ledger account from geth. But i can't start the mining process. ...