Questions tagged [proof-of-stake]

proof-of-stake is a method by which a blockchain network aims to achieve distributed consensus by asking users to prove ownership of a certain amount of an asset.

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2
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1answer
2k views

What is network weight and my weight?

What does it mean by my weight and the network weight in POS ? -Thanks.
2
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1answer
380 views

ETH vs Tokens price issue [duplicate]

Is there any possibility for one token (e.g. Augur's REP) to become more valuable than the total Ether market cap? If so, how would that be possible? In Security of PoS if/when Assets (Tracked or ...
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2answers
241 views

What is the network overhead of Casper?

In Bitcoin the PoW mining has very little overhead in terms of bandwidth. The miners simply need to produce the PoW, which I believe is 32 bytes per 10 minutes. In Casper I understand every validator ...
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1answer
553 views

What is the set number of Ether in existence during POW and then POS? [duplicate]

How many Ether exist during POW and then POS? Is it unlimited inflation?
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1answer
88 views

Does staking on ETH 2.0 require a full node and how much space would that take?

I read that ETH 2.0 staking with 32 ETH requires users running a full node on their server. But doesn't a full node take up 500+ GB of space? What are the proposed system requirements?
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1answer
294 views

Nothing at Stake problem - eth wiki

I am trying to understand proof of stake consensus. I found some explanation about the "nothing at stake problem at the Ethereum wiki. Here is the part about the "Slasher"-solution i don't understand:...
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1answer
655 views

What will be the gas price when Eth will use Proof Of Stake?

I know that the cost of a transaction is gasUsed * gasPrice. Gas used cannot really change unless you change your smart contract code or the gas cost of EVM opcode. So the gas price is currently ...
2
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1answer
2k views

What is the economically efficient hardware setup for proof-of-stake mining?

As I understand it, if/when proof-of-stake is fully adopted, all those GPUs will become practically worthless for mining. (Presumably they'll be dumped onto the secondhand market or redeployed for POW ...
2
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1answer
189 views

Solutions for orphan rate in Casper PoS? [closed]

What are some possible solutions to deal with the increased orphan rate when Ethereum shifts to its Proof-of-Stake system, Casper?
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1answer
715 views

What does PoS formula mean in Vitalik's blog post?

I don't understand what exactly the PoS formula means in Vitalik's blog post On Stake on the Ethereum blog: SHA256(prevhash + address + timestamp) <= 2^256 * balance / diff Why do you need to ...
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1answer
1k views

Transaction confirmation time with proof of stake [duplicate]

With proof of work and the associated mining process, transactions must wait till the block verifying the said transaction reaches enough depth within the blockchain to avoid relying blocks generated ...
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0answers
55 views

How to make atomic swap between Ethereum and POS chain?

There's simple way to make atomic swap for smart-contact chain and any POW chain. For example for Ether <> BTC: Alice sends some Ether to the swap smart-contact which locks this money. While ...
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0answers
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What is the point of switching to ProgPOW for ethereum, when POS is coming in the coming year(s)?

With the recent discussion of the new ProgPOW mining switch. What is the point of it when POS is coming in the coming year(s)? I understand it disables the ASIC miners, while benefiting the GPU miners....
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0answers
32 views

Is there a temporal reward in Casper, that the earlier you place bets, the more you are rewarded?

In Casper, the consensus-by-bet proof-of-stake system, is there a temporal reward, that the earlier you place bets, the more you are rewarded?
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0answers
40 views

How does Casper record votes efficiently?

I keep reading about Casper doling out rewards and punishments for voters based on how they're voting. If I am understanding this correctly, it seems that Casper punishes nodes that submit votes to ...
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2answers
132 views

Casper Friendly Finality Gadget - Greater degrees of transaction/settlement finality over existing PoW?

With Casper Friendly Finality Gadget, can one expect greater degrees of transaction/settlement finality over existing PoW?
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0answers
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Quorum failure - Failed to decode message from payload

We use in our project -JP Morgan Quorum (Ethereum based) bloackchain - with istanbul voting mode. We have 4 nodes (3 of them are validators - hard coded, nonchangable) And from time to time (...
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2answers
229 views

Method for staking coins in Casper FFG

When Ethereum changes to a PoW/PoS hybrid (Casper FFG), how will the staking process work? I heard that there might be smart-contracts and you need to send your coins to the contract to stake the ...
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0answers
116 views

Who proposes blocks in Ethereum Casper the Friendly Ghost

I am trying to understand how CTFG is supposed to work. The available online blogs provide a fairly high-level overview. What I have understood so far is that validators will bet on the blocks as they ...
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0answers
243 views

Casper protocol: is it right?

I'm reading about Casper protocol and the hybrid solution that Ethereum is going to adopt in the first place. Can you tell me if I understand the mechanism well? The hybrid solution initially ...
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0answers
234 views

Does Proof-of-Stake mining also process contracts?

I've read that Proof-of-Stake (POS) mining 'secures the blockchain' but does it also process contracts and collect gas?
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0answers
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In consensus-by-bet, are all bets registered on the chain?

From Vlad: Validators bet independently on blocks at every height (i.e. block number) by assigning it a probability and publishing it as a bet. Through iterative betting, the validators elect ...
2
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0answers
359 views

Why is there a limit to number of validators?

In Casper and consensus-by-bet, validators make bets, and converge on a block at each block height, etc. In the Casper PoCs so far, the number of validators at any given block has been limited to 250, ...
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0answers
455 views

Validators in POS

note: Simple, layman, language would be highly appreciated! Hello, So, what would a 'validator' (after switching from PoW to Pos on Ethereum) actually, do? Specifically? Would he be required to ...
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0answers
2k views

Investing in mining still worth it? [closed]

I recently read that Ethereum will be switching from PoW to PoS soon, will this kill GPU mining? I'm asking since I'm looking to build myself a miner as both a summer project and a way to make some ...
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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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0answers
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Does EIP 134 allow a variants on PoS where everything is at stake?

EIP 134 allows a transaction to specify which chain it is occur on. In its original inception, this would be accomplished by specifying a recent block of the desired chain and a number 0-255 that ...
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0answers
10k views

Is switching to Proof of Stake (PoS) makes GPU mining worthless? [duplicate]

Is switching to Proof of Stake (PoS) makes GPU mining no longer available?
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0answers
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How is Ethereum's Proof-of-Stake different from Peercoin and NXT's Proof of Stake? [duplicate]

Currently peercoin and nxt are one of the few POS coins out there. How is Ethereum's POS different from these 2 and others if they are available?
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3answers
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I argue that Proof Of Stake will consolidate ether holdings rather than decentralize them. Am I wrong? [closed]

I am skeptical of the argument that proof-of-stake will decentralize ownership. The argument in favour of it is that POS has lower capital requirements, so easier entry to the market. That makes sense,...
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1answer
379 views

How blocks are calculated in POS

In POS people bet on the blocks to be added to chain and the honest block wins and the people who have voted for honest blocks get a share in the rewards. But one thing i am still confused is, who ...
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3answers
301 views

What is the status of Proof of Stake?

Many different PoS approaches have been proposed but I am having a hard time finding documents that explain exactly how their protocols work. So, what are some current implementations of PoS? Where ...
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1answer
1k views

How nodes are discovered with PoS?

On the PoW model, in order to find the proper network all you need is the address of a single correct node. You're able to identify the proper network by simply picking up the one with the most ...
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1answer
543 views

Has the Hard fork (and surrounding issues) affected the planned transition from Proof of Work to PoS

There was a lot of talk about Ethereum switching from PoW to PoS some time this year. Has the DAO and the Hard Fork delayed or otherwise affected when that might happen?
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1answer
29 views

How are transactions ordered in POS?

With POW, the miners who finds the block chooses the order of transactions in that block. How will this work with POS?
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1answer
209 views

What is the “main” difference between consensus mechanism of Bitcoin and Ethereum?

Bitcoin and Ethereum both use proof-of-work (PoW) consensus mechanism. One of differences between Bitcoin Pow and Ethereum PoW is difficulty level, meaning that while in bitcoin block generation rate ...
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1answer
254 views

Proof of Stake Makes the Rich Richer [closed]

Since Proof of Stake Makes the Rich Richer, somewhat similar to Proof of Work mining pools/cartels, why do we still want to move towards Proof of Stake, assuming environmental concerns are not a ...
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2answers
638 views

Staking tokens on Ethereum

I'm new to the blockchain space and I am trying to grasp some fundamentals before delving into programming smart contracts. Please correct me if I am wrong regarding any of the following. This is just ...
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2answers
1k views

Proof of stake. What is liveness?

I'm studying proof of stake. I haven't found a clear definition of what "liveness" is. It is a main thing in PoS content, but I don't think I understand it clearly.
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1answer
31 views

Nothing-At-Stacke: What is EV and why can I not vote on both branches with full stake?

Can somebody tell me what EV means and what the graphs represent? Does p=0.9 means that I look 0.9 of my stake for the one branch and 0.1 for the other? Where does this locking happens? Why can't I ...
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2answers
68 views

What is meant by locking of ether in proof of stake?

In PoS, forgers stake their ether on a block. These ether are locked and can't be used. What does it mean by locking of ether and how does it work?
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2answers
340 views

During the POW/POS transition, why would a POW miner choose to mine on the chain with the POS consensus algorithm?

As the title says, what incentive does a POW miner have to mine on the hybrid POS chain? They would, effectively, be removing their own economic incentive from the consensus mechanism. I understand ...
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1answer
148 views

Delegated POS (DPOS) vs Proof of Stake (POS): Specified Differences

Delegated POS (DPOS) vs Proof of Stake (POS) -- May I know what are the specified Differences?
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1answer
78 views

Ethereum proof of stake - Is transaction finality/settlement finality finally possible / within reach?

With Ethereum proof of stake, is transaction finality/settlement finality finally possible / within reach?
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1answer
96 views

Will Casper be “backwards compatible” with currently issued tokens such as ERC20 tokens?

With Casper now available for testing, does the protocol work with regular ERC20 tokens? For example if Casper becomes the main protocol for the whole Ethereum network and the old PoW method is gone,...
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1answer
36 views

Where do the funds go when we loose the stake in PoS (Casper Update)?

In PoS, we know that if the validator try to mess with the blockchain, they loose their funds...where that fund goes ??? tell me please
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1answer
979 views

Proof of Stake for ERC-20 Token

I came to learn alot about benefit for proof of stake on Ethereum (staking ether); however, I'm still bit unclear about how that would be applied for ERC-20 Tokens built on top of Ethereum protocol. ...
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1answer
367 views

ETH Staking & Pooling

I have ETH and I am building a portfolio. How will I be able to stake my ETH holdings and make sure these are safe? Can someone please provide some guidance? Thanks
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1answer
394 views

Understanding Proof of Stake implementation

I am trying to understand Proof of Stake based on this implementation: https://github.com/PoSToken/PoSToken/blob/master/contracts/PoSToken.sol However, I am confused about a few sections and was ...
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1answer
149 views

Who can participate in Casper?

From what I understand, non-validators will feel benefits from the change to casper. However, is it only validators that can actually participate in Casper? Is it correct that if you have etehreum in ...