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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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20 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 ...
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Does Casper FFG in phase 0 take its checkpoints from the current ETH 1.0 POW chain?

Does Casper FFG in phase 0 take its checkpoints from the current ETH 1.0 POW chain? I'm reading some conflicting material on this. The Casper FFG paper describes taking a checkpoint at every 50 POW ...
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1answer
25 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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What should I prepare for the coming ETH 2.0 upgrade as a Dapps developer?

As announced, Ethereum is expected to be its upgraded version Eth2.0 probably from 2020. There will be several upgrades like PoW to PoS/Casper FFG eWasm integration sharding (Casper CBC) These ...
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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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Is Casper FFG still going to be implemented?

What is the status of Casper FFG within the ETH 2.0 roadmap. Is the plan still that it will be implemented with Phase 0 or Phase 1? Or is the plan to adopt Casper CBC instead, and forgo implementing ...
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28 views

Relationship between fault tolerance and network latency

I'm currently studying Ethereum's PoS and a sentence on the relationship between fault tolerance and network delays caught my attention in the Proof of Stake FAQ. Quoting Vitalik: In this model, ...
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49 views

Getting Started with Hosting a Beacon Node & Validator Client using Geth in a Cloud Provider

I am considering hosting a private Beacon Node & Validator Client with the 32 ETH requirement. I am able to build geth locally and feel I know enough to want to venture and offer my own node on ...
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1answer
50 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 ...
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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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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 ...
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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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195 views

How does the network validate a block in PoS

In general PoS, the forgers stake their coins and then a validator chosen in a pseudorandom fashion gets the chance to validate a block. But how do the whole network validate it? In PoW, for example, ...
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49 views

Where do penalties for being offline go? (for validators)

Where do penalties for being offline go? (for validators) In POS when validator is being offline he loses part of its stake (depends on correlation with other validators being offline aka partial ...
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74 views

Ethereum/Quorum Pluggable Consensus with Algorand Byzantine Agreement Protocol?

Can Quorum and Ethereum be possibly configured/modified to use Algorand Byzantine Agreement Protocol?
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1answer
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What is the algorithm to select random validators in PoS?

As I know, Ethereum Casper PoS implementation randomly selects 250 validators from the validator poll for an epoch. What is the random algorithm for this selection?
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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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1answer
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Deliberate Slashing: Don't slashing and leaking incentivize DDOS attacks on smaller nodes? Won't this centralize POS more than POW, even?

In Ethereum's proposed proof-of-stake algorithm (POS): A traditional node operator can't host a node themselves (e.g. on a home network), someone could just DDOS their node to bring them offline. ...
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Will Eth 2.0 be implemented in geth (go-ethereum) or will it run on a new client?

Geth is the official implementation of Ethereum based on the coding language Go. Currently, there are 8 teams that are building Eth 2.0 https://www.coindesk.com/next-gen-buidlers-the-8-teams-working-...
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1answer
56 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 ...
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1answer
179 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 ...
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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 ...
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2answers
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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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246 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 ...
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Impact of POS and Shrading on tx costs?

How transaction fees will be affected after implementation of Casper protocol?
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1answer
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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 ...
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28 views

Is there an official and public pool of miners/“stakers” participating in the Ethereum blockchain?

With the last discussion about PoW vs PoS, Ethereum planning migrating to pure PoS (Casper), new actors in the scene (EOS)...I have digged into this PoS, pros and cons against PoW. One of the things ...
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1answer
307 views

What happens to lost coins in PoS?

Let's say a miner created an invalid block and the network catches the miner red handed. Then the miner loses all the coins staked on that block. What I do not understand is where do these coins go?
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226 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 ...
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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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106 views

As of 2018 Sept 21st. When is the scheduled Casper Proof of Stake expected to arrive?

Where can one find updates on Casper POS? I hear its been constantly delayed. When is it expected to arrive? And is there an alpha/beta state where one can test it out now?
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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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1answer
267 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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329 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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“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." ...
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1answer
106 views

Delegated Proof of Stake (DPOS) vs. Proo of Stake? [closed]

What is the main difference between Delegated Proof of Stake (DPOS) vs. Proof of Stake? Is there any significant advantage for security? (since PoS in general suffers security problems.) And which ...
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1answer
113 views

Is the mauve paper still actual?

I would like to know if the mauve paper is still actual or it is better to rely on the sharding FAQ and Proof of stake FAQ or on other sources?
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1answer
186 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
237 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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1answer
141 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
70 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?
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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 ...
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2answers
127 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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1answer
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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
284 views

Proof of work vs Proof of Stake [duplicate]

I'm newbie to Ethereum and trying to make things clear. I've read few articles about PoW(proof of work) vs PoS(proof of stake) and what I understood is, Proof of Work is nothing but the mining, in ...
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1answer
57 views

POS/Sharding - Incentive for submitting proof-of-dishonesty

While reading through the Nothing at Stake section of the Proof of Stake FAQs it is described how dishonest validators will be punished for voting on two chains. This requires a proof of misbehavior ...
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181 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 ...
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2answers
38 views

Is the requirement for signature of more than 2/3 of validators, weighted by deposit, a solution for the data availability problem?

The data availability problem is known to be one of the main problems in blockchain systems. So in case of a proof of stake scheme which requires a block to collect signatures of at least 2/3 of ...
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1answer
94 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
103 views

Reason for World State

All Ethereum blocks contain a stateRoot field - That is, the root hash of the world state trie. I have two questions about that. From what I've understood through all the reading I've done on Casper ...