Questions tagged [pow]

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Proof 51% attack private ethereum - POW

I have a problem to simulate 51% attack in my private Etherum with pow validation. I have three nodes connected : Node 1 - Legit node Node 2 - Malicious Sender Node 3 - Malicious Miner In block 5 - I ...
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How to build an Ethereum private chain using POS consensus

I want to use POS consensus to build my own private chain, who can tell me how to do it?
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On the Ethereum PoW solving algorithm does a miner variable get included in the block input?

On a PoW solving algorithm does any miner variable get included as input in the PoW puzzle? I'm trying to understand if I have a pseudorandom number generation that includes a variable from the miner, ...
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If modelling an Ethereum blockchain, would you use PoW or PoS?

I'm modelling an Ethereum network that will hopefully form part of a PhD, which will be used to identify a blockchain's functionality in certain industrial situations. I wrote my MSc dissertation on ...
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What are the factors involved in NFT gas consumption?

After reading this article ("The Unreasonable Ecological Cost of #CryptoArt" Part 1, Part 2), I'm keen to better understand what are the factors involved in energy consumption by NFTs. The ...
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What's the most efficient way to check if a number is a power of ten in Solidity?

That is, how to check whether a given number is 10, 100, 1000, etc., all the way up to 10**77, which is the highest power of 10 that fits in uint256.
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Measuring transaction latency and throughput in a multi node local private network

I'm quite new to Ethereum. I'll give a bit of context of my setup. I have created an Ethereum private network with Ethash (PoW) as the consensus algorithm. I’m aware of the resource consumption of ...
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can a running blockchain fork from PoW to PoA?

can a running public blockchain hard fork from PoW to PoA?
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Creating ERC20 token: What determines price, PoW, Minting and changing code after deploying

I did a lot of research about this, but still don't understand some concepts around token price and proof-of-work. First of all, imagine I've created a token, which is ERC20 or 223 standard smart ...
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Finality in blockchain consensus

Is Absolute/ Immediate Finality a goal in blockchain consensus or does some areas work better under probabilistic finality such as Ethereum's Pow and to be PoS? (I know that some networks using BFT ...
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PoA network confusion resolving using geth

I am planning to move from PoW to PoA consensus (clique) using geth. But I am confused of some of the topics - 1) Empty blocks are created periodically? What is the size of an empty block? 2) Is it ...
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