Ethereum

Questions tagged [block-reward]

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Questions relating to the reward for producing a block, currently 5 ETH per block.

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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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1answer
29 views

Known cases of miners withholding blocks when used as randomness?

There are some applications that use the blockhash as a source of randomness, often with a payout similar to a lottery. I've heard of attacks where it would be more profitable for a miner to withhold ...
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1answer
56 views

How to prevent modifying blockreward in geth code?

I found below variables in geth file 'consensus/ethash/consensus.go' var ( FrontierBlockReward = big.NewInt(5e+18) //.. ByzantiumBlockReward = big.NewInt(3e+18) //....
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42 views

Is there any period of custody for block rewards in Ethereum?

In Bitcoin, some block heights are required for spending coinbase transaction. But in Ethereum, there's no input/output. Then, is there any maturity time for using block rewards in Ethereum? If yes, ...
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2answers
44 views

0 txn in mined block [duplicate]

How is it possible for a block to be mined with 0 txn? https://etherscan.io/block/6739171 That's an easy way to get 3 ETH block rewards.
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1answer
183 views

How do I calculate the (maximum) circulating supply for a given block height?

I would like to be able to calculate the circulating/max supply at any given point in time (for a specified block height). I know that the current block reward is 3 ETH (soon to be reduced to 2 ETH). ...
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2answers
64 views

Remove coinbase transactions in private net

I was willing to setup a private ethereum network with low difficulty. I can fix the difficulty of each block to 1 (or constant) to avoid problem of very high difficulty with increase in no of blocks. ...
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1answer
137 views

How to incentivize a smart contract DApp without issuing a native token?

Premise: I’m still learning here so I apologize if my question is too basic. My understanding is that technically a smart contract could be built using Ethereum blockchain... no need for native ...
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2answers
543 views

What’s the block reward for smart contract miners?

Maybe this is a basic question, but I can’t figure out what are the block rewards and/or transaction fees for miners of smart contracts . When talking about a cryptocurrency, the block rewards are new ...
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1answer
242 views

geth init and mining

To set-up a private network with a given genesis document, I can start with the init command or start mining. With init and an account already existing, I can see the block created from the console (...
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1answer
838 views

Why are there so many empty blocks?

Within the first 4 million blocks, I found that a significant fraction of them are empty. If miners are rewarded for writing transactions, wouldn't be in their best interests to at least partially ...
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1answer
617 views

Why do miners mine testnet transactions

When I perform an ether-transfer transaction on testnet, some of my ether gets deducted as transfer fees. But as its not a real ether and has 0 value, how does it profit the miners who mine that ...
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1answer
255 views

How does interest work in casper?

Based on this answer: https://ethereum.stackexchange.com/a/37419/24310 How does interest work with casper? Is it correct to describe what the validators receive as interest?
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1answer
181 views

Private Chain: Dealing with large numbers of Ether per block? (Big.Int issue)

I've been playing around with geth for a private chain implementation where we're using a much larger circulation of ether on our chain. To modify this I tried changing the block reward to: *big.Int ...
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2answers
367 views

How to get who won the block reward programatically?

I know that the block is solved by which pool thanks to a block explorer like etherscan.io. But where is that information in the blockchain and how can I get it programatically?
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1answer
875 views

How to get the full miner reward

Okay so let's say I'm looking to get block 1000000 miner reward: { difficulty: 12549332509227, extraData: "0xd783010303844765746887676f312e352e31856c696e7578", gasLimit: 3141592, gasUsed: ...
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1answer
744 views

Disable block mining reward in private testnet

Is there a way I can disable the generation of block reward in a private network during creation? Any parameter in genesis.json can do so?
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1answer
141 views

transaction fees included in blocks mined on the ropsten testnet

As you can see here ^, the first two times I mined a block on the Ropsten testnet I just got the block reward of 5 ethers, I guess this is because there were no gas fees/transaction fees included in ...
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0answers
3k views

Does Ethereum has halving or anything equivalent?

Bitcoin has a halving which will likely happen around June 2020. Is there anything similar for Ethereum? If not, why?
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3answers
3k views

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

Will the miners mine my new currency by using the same miner as Ethereum? And will they need to configure their miner to specially mine my currency? I would be grateful if someone can explain me how ...
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1answer
489 views

Does block difficulty adjust with different gas limits?

Ethereum has a dynamic gas limit, a market governed by the miners. Does the block difficulty change if the gas limit is changed? For example with an increased gas limit from 3 million GAS to 6 million ...
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1answer
333 views

Why do some empty blocks have rewards more than 5ETH?

I'm mining on the testnet and I noticed that the reward is more than 5 (near to 5.2) Ethers for some empty blocks I mined. I thought the reward was 5 + tx. fees. How can an empty block have a reward ...
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1answer
362 views

What is Ethereum's inflationary model going to be after switching to Casper?

Some time ago I read Vitalik Buterin's blog post about possible attitude to inflation and transaction fees. From it it followed that nothing was decided yet and there are various possibilities. Has a ...
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1answer
66 views

Is the value of a mined 5eth block significantly higher than 5eth on its own?

If I buy 5eth from a site like coinbase, I own 5eth and can spend it however. However, if I mine 5eth, I am entitled to the gas from transactions originating from the block. Does this then mean that ...
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2answers
2k views

Why am I getting less than 5 Ether per block?

Was something changed recently? I've been getting less and less ether per block - is this tied to difficulty level? I thought difficulty would affect the rate of mining a block, not the number of ...