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.

Filter by
Sorted by
Tagged with
1
vote
1answer
37 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 ...
1
vote
1answer
68 views

Network propagation delay and forks in Proof of Stake?

I am learning the fundamental of Proof of Stake (PoS), i came accross a question which i could not find answer to. Assume we have three validators (aka miners in PoW), V1, V2 and V3. Each of the ...
1
vote
2answers
103 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?
1
vote
2answers
353 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 ...
1
vote
1answer
176 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?
1
vote
1answer
86 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?
1
vote
1answer
101 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,...
1
vote
1answer
41 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
1
vote
1answer
1k 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. ...
1
vote
1answer
379 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
1
vote
1answer
415 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 ...
1
vote
1answer
152 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 ...
1
vote
1answer
178 views

Implication of hacking into an ethereum node on proof of stake

It is my understanding that in proof of stake, the validator puts up a stake that gets slashed if they don't respond to requests truthfully. In the scenario that someone hacks into your node, wouldn't ...
1
vote
3answers
247 views

Does Proof-of-Stake consensus require a blockchain?

In a proof-of-work blockchain, the validity of the network is ensured by the hashes of each block pointing to the previous block. A "block on its own" would not be very trustworthy and, without all ...
1
vote
1answer
463 views

What solutions are proposed to Long Range Attack?

Long Range Attack (explained here) is one of attacks against Proof of Stake. What kind of solutions are proposed to it?
1
vote
0answers
16 views

What is the criteria to resync chain using proof of stake?

In PoW, nodes always resync their own chain to the longest chain in the network in order to respect the work the miners have done. In PoS, as I understand in its simplest form, the miner with the ...
1
vote
0answers
17 views

Where is the stake amount stored in Proof-of-Stake?

So in the PoS consensus algorithm, the nodes can lock their coins and the node with the highest coins has the highest probability of getting the chance for validating coins. I have two questions: 1) ...
1
vote
0answers
28 views

How is the block interval constrained in Ethereum 2.0

Sorry if i get any of the terminology wrong here, i'm no expert when it comes to PoS protocols. How does Ethereum 2.0 control for blocktime, typically we have the idea of a function that can be ...
1
vote
1answer
66 views

In proof of stake, is there a difference between being offline and deciding to leave entirely?

I'm struggling to understand the proof of stake concept. As I understand it, in order to participate in validation and its rewards, you must ante up some ether (I was told a minimum of 32). You are ...
1
vote
0answers
66 views

How does lower network bandwidth and lower latency create a bottleneck for POS Blockchain network?

My understanding is that any proof of stake blockchain would largely remove the processing power and energy consumption bottleneck from the whole system, but even after that the blockchain nodes ...
1
vote
0answers
37 views

Impact of POS and Shrading on tx costs?

How transaction fees will be affected after implementation of Casper protocol?
1
vote
1answer
97 views

Are Delegated PoS or “normal” PoS blockchains as secure as PoW blockchains? [closed]

I have heared in some videos regarding new blockchains and Delegated PoS that DPoS does not have same cryptographic security than PoW, apparently because: In PoW, if you are an attacker, as soon as ...
1
vote
0answers
64 views

“consensus over state” vs. “consensus over events”?

Does someone know what is difference between "consensus over state" and "consensus over events" ? I found just title of a reference i.e. "Ian Grigg, blog post “The Message is the Medium,” 2017." ...
1
vote
1answer
77 views

What happens to miners when proof of stake is rolled out fully phasing proof of work out completely? [duplicate]

What happens to miners when proof of stake is rolled out phasing proof of work out completely?
1
vote
0answers
60 views

how can validators validate blocks?

I have a question about how POS (ethereum casper) works. I am a little bit confused. So let's say User A decides to be a validator. So he has to have at least 1000Ether in his account to become a ...
1
vote
0answers
255 views

Will staking increase or decrease volatility?

I'm trying to wrap my head around the implications of locking up much of the supply of ether when proof of stake happens. It seems to me that doing so would decrease the circulating supply and ...
1
vote
0answers
146 views

How will casper maintain time between 2 blocks?

In current proof-of-work, there is an artificial time delay introduced because of difficulty. This allows the network to accept transactions that ultimately form the block. Vlad argues that once ...
1
vote
0answers
28 views

Proof of Stake how many blocks are proposed each round

So. I understand that the "nothing at stake" problem requires more than one chain being proposed. How can more than one chain be proposed? how many blocks are proposed each round? I thought that only ...
1
vote
0answers
517 views

How does reward mechanism works on Proof-of-Authority consensus?

By following this tutorial. I have created a private chain based on Proof-of-Authority. Please see my CustomGenesis.json file. I have started my chain: > geth --datadir /Users/ethereum/POA/...
1
vote
0answers
115 views

What will happen to the gas block limit after Casper?

Is there any reason to believe it'll go up or down significantly?
1
vote
0answers
98 views

Does every node execute contracts in Proof of Stake? If yes, why?

In Ethereum, for Proof of Work this sentence is true: "Every single operation that is executed inside the EVM is actually simultaneously executed by every node in the network. This is why gas exists" ...
1
vote
0answers
125 views

Why isn't Casper POS Dynasty set randomized?

This may be premature to ask this question as POS for ethereum is still undergoing a lot of design changes, but it seems like from all the stuff I've come across that the validator set (eg. dynasty) ...
1
vote
0answers
247 views

Will the proof of stake in ether require you to have the wallet open to continue to stake?

Will the proof of stake in ether require you to have the wallet open to continue to stake like stratis does?
1
vote
1answer
492 views

POS migration hard fork

when Ethereum will switch to the proof of stack consensus mechanism as i know it will get rid of the POW going through a hard fork. is it possible to have the similar scenario that happened before ...
1
vote
0answers
33 views

What attacks could be performed without a solution to “nothing at stake” (security deposits) [duplicate]

Without security deposits, there is no dis-incentive for signing multiple blocks on multiple chains, and so the validators incentive is to sign off forks when they come up. What attacks would be ...
1
vote
0answers
387 views

If Ethereum switches to POS, does that mean I can never mine coin if I just have a few Ethereum? [duplicate]

If Ethereum switches to Proof-of-Stake, does that mean I can never mine it if I just have, let say, a few Ether? Does it mean the more Ethereum you have, the more chance you have to mine Ether?
0
votes
3answers
147 views

Blockchain Recent Scaling Proposals : (Sharding, blocksize , SegWit, GHOST, Lightning, multichains, sidechains, DAGs)

What are some of the most recent scaling proposals for Blockchain? Ie. various blockchain scalability topics including the blocksize debate, SegWit, GHOST, Lightning, multichains, sidechains, ...
0
votes
1answer
825 views

How GPUs could be utilized after network switch to Casper? [closed]

Now Ethereum hashrate is ~550 Gh/s. That is approximately 22 thousand very powerful Radeon 290x GPUs. After network switch to PoS this hashpower could be used to mine science through Gridcoin. Or ...
0
votes
2answers
33 views

Is proof of stake vulnerable?

If there is a large drop in the US dollar value of ETH over a substantial period, one can assume that people will be deterred from staking ETH because they could lose money (USD) on the stake. Is ...
0
votes
1answer
304 views

how to setup hybrid PoW+PoS or PoA private network (geth)

I am aware about PoW and PoA setups of ethereum private networks but would like to know if anyone could help or point me the direction how to build a hybrid PoW + PoS or PoW + PoA ethereum based ...
0
votes
2answers
252 views

Is there any anonymity in Proof-of-Authority?

According to the following article, Proof_of_Authority (PoA) is a modified form of Proof_of_stake (PoS) where instead of stake with the monetary value, a validator’s identity performs the role ...
0
votes
1answer
471 views

Proof of Stake Automatic Timed Release of Token

I'm using https://github.com/PoSToken/PoSToken/blob/master/contracts/PoSToken.sol as my example of Proof of Stake implementation (feel free to point out others that are worth looking at) however, it ...
0
votes
1answer
71 views

What does it mean to be 'bounded'

I see this terminology everywhere in ethereum Wikis. What does it mean to be 'bounded'? Its a noob question I know.
0
votes
1answer
1k views

What will change after reaching PoS?

I have a tiny mining rig running at 17 mhs. What will happen if Ethereum changes to PoS? Will it still be profitable to mine ETHs? Will there be a lot of miners changing to another crypto-currency? ...
0
votes
1answer
35 views

Is Ethereum 2.0 (Sharding Ethereum) only PoS based? Or a combination of PoW + PoS?

Does Ethereum 2.0 (Sharded Ethereum) only use PoS (Proof-of-stake) for consensus mechanism ? Or Does it use a combination of PoW + PoS ?
0
votes
2answers
45 views

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. ...
0
votes
1answer
49 views

What Would Be The Reward For Smart Contract Miners In Ethereum POS?

I have seen this: What’s the block reward for smart contract miners? Which addresses it for the POW period of Ethereum, but what about POS? They just earn a sort of "interest" for their stake as ...
0
votes
1answer
40 views

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 ...
0
votes
1answer
191 views

Staking Ethereum

Brand new investor to crypto but have been reading as much as I can on the space over the past couple months. I am looking for someone who could help me me a with a step by step guide on how to stake ...
0
votes
1answer
323 views

Cloning geth and adding a POS consensus algorithm? [closed]

I am currently learning how to use geth, so far I was able to create a private POW and POA blockchain using one of its consensus types (Clique). I am wondering how feasible it would be to clone the ...