Questions tagged [eth-2.0]

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4
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1answer
64 views

What will PR-2149 offer?

I've seen this PR-2149 quite a few times already and people are saying this is big for Ethereum 2.0. Can someone explain in simpler terms what will it offer?
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68 views

ETH2 Atomic Composability and Sharding: What does it really mean for DeFi users?

In the following post, Vitalik Buterin claimed that ETH2-Sharding will not break DeFi composablity: [1] https://ethresear.ch/t/cross-shard-defi-composability/6268 However, I am not at all convinced by ...
3
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1answer
48 views

How to stake ETH for Ethereum 2.0?

How can I stake ETH in Ethereum 2.0 network to earn staking rewards? How much ETH to I need? How much I can earn? How long do I need to wait to get my reward?
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Was the eth2 beacon chain merger sandboxed prior to launch? [duplicate]

From what I understand eth is supposed to ultimately migrate with the eth2 beacon chain then there's supposed to be some cleanup of the chains and they integrate. Was this process actually sandboxed ...
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16 views

Ethereum Staking Pools Fee

I'm looking at https://stakingether.com/ for the list of staking pools with the possible earning and fees the pools are charging. As I understand it, a fee is charged by these pools to provide their ...
0
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1answer
49 views

Ethereum2.0 Shard chains will be PoW or PoS

I'm sorry if this is a basic question. But will the new shard chains for Ethereum2.0 be PoW or PoS? I know the plan is for Eth1 mainnet to "dock" onto the beacon chain eventually and be its ...
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0answers
13 views

Will the tx fees of old contracts be greater or smaller than those of new contracts in ETH 2.0?

Will contracts that currently exist cost more or less to interact with after the ETH 2.0 upgrade? What about old contracts that call a new contract, or new contracts that call an old contract? Will ...
1
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1answer
53 views

Will Ethereum 2.0 support light-clients?

I am new to Ethereum, and I am trying to understand how different eth2 will be from eth1 in terms of connecting to the network and performing tasks. For example, in eth1 we don't need to be miners to ...
4
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1answer
44 views

Is the Ethereum 2.0 price fixed to the old Ethereum permanently?

I read that it will be possible to convert one old Ether for one Ether 2.0 but not vice versa. Is this correct and does the algorithm guarantee this "exchange rate" forever (and thus protect ...
0
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1answer
52 views

Are flash loan attacks possible in layer 2 async blockchain?

Flash loans attack has become a new normal every week. But I have read that it won't be possible in async sharding, but couldn't find enough information about it online. Is the information correct, if ...
1
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1answer
23 views

Verifying ETH Deposit Contract signatures using Chainsafe BLS library

I am attempting to verify BLS signatures using the Chainsafe BLS library. I am attempting to independently verify signatures associated with deposits to the ETH Deposit Contract. In order to test that ...
0
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1answer
20 views

How validator re-join is prevented?

According to this article, once a validator performs a voluntary exit, he can not rejoin: If you’ve performed a voluntary exit, or been slashed, you won’t be able to rejoin. This means if you want to ...
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0answers
83 views

Ethereum 2.0 - how to avoid being penalised when moving to a new location - is it possible to move the validator to the cloud?

Of course, I can test on testnet and try for myself but maybe you'll know. In the spirit of decentralisation, I would like to run my full node. But things change, I may want to travel (change location)...
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0answers
20 views

Algorithm to check if my ethereum account has successfully deposited to eth2 validators deposit contract

The eth2 phase 0 validators deposit contract implements a sparse merkle tree. Which algorithm can check if there is a successful deposit from my account? (Pseudo code)
3
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1answer
37 views

What does it mean that Medalla hasn't reached finality?

For a couple of weeks Eth 2.0 testnet Medalla hasn't reached finality. What does it mean? What are the consecuenses?
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2answers
523 views

After 48 hours, my validator request is still “Pending” (Deposited)

I'm playing around with Ethereum 2.0 Proof of stake for my upcoming guide Come fare staking con Ethereum 2.0 (italian only, sorry). I setup Go Ethereum and Nimbus, generated the required keys via eth2....
9
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1answer
332 views

On Ethereum 2.0 PoS, how/when are new coins minted?

In Ethereum "1.0", new coins are minted as reward for the miners. I understand from multiple sources (eg: academy.binance.com) that this won't be the case with Ethereum 2.0: When a node ...
1
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2answers
289 views

Does the amount of ETH in staking have to be exactly 32 ETH or only at least 32 ETH?

The amount of ETH to be put at stake in phase 0 of Ethereum 2.0 is at least 32ETH but, is it also a maximum? I know that the possibilities of being chosen to propose blocks depends in the amount of ...
0
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0answers
36 views

Can we deploy old deployed NFT contract to Ethereum 2.0?

I have already deployed contract on Ethereum. Now I want to deploy it on Ethereum 2.0, is it possible? According to some resources Ethereum 2.0 does not support for smart contract deployment. Thank ...
0
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1answer
65 views

What is the purpose of the Zinken Ethereum 2.0 testnet?

The Spadina testnet launched less than 2 days ago. What is the purpose of the Zinken testnet? What is being covered that was not covered in Spadina? Related: What are the Ethereum 2.0 testnets?
3
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1answer
94 views

What are the Ethereum 2.0 testnets?

There are many different Ethereum 2.0 testnets, among them Medalla Spadina Zinken What are the differences and what is their purpose?
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1answer
88 views

How can I easily get the Ethereum 2.0 network's fork digest and fork version?

Ethereum 2.0 nodes communicate through a libp2p network. Two indicators of talking to "correct" nodes on the same network are the "fork digest" and the "fork version" ...
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0answers
36 views

How to select the next author of block in Proof-of-Stake? [duplicate]

There is a common (but not precise) opinion that the block's author selection is random in Proof-of-Stake. I therefore posted a question here: Proof-of-Stake: How to prevent someone from being always ...
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0answers
33 views

Proof-of-Stake: How to prevent someone from being always selected as an author of block? [duplicate]

In proof-of-stake, by definition, each stakeholder deposits and locks some tokens (stakes) for more chances to be selected as an author of block in a random-based election procedure. Till here, it's ...
3
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1answer
51 views

What does “participation rate” mean in the context of ETH2?

https://decrypt.co/41503/how-an-attacker-might-try-to-break-ethereum-2-0?utm=facebook Jelurida co-founder Lior Yaffe claims that a low participation rate could allow whales to crash the network. But ...
3
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1answer
113 views

What is the difference between Ethereum 2.0 and the beacon chain?

There's a lot of promise to Ethereum 2.0 and questions like the following: How to deploy Smart Contract on Ethereum 2.0 Will gas be free in ETH 2.0? Does Ethereum 2.0 still have use cases for oracles,...
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2answers
48 views

At which (average) rate will block numbers increase with ETH 2.0?

Is the block number increase going to be more frequent than it is now ? The reason I am asking is because some smart contracts I am developing depend on the block number increase, so if this changes, ...
2
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1answer
52 views

Does Ethereum 2.0 still have use cases for oracles, why?

It seems to me Ethereum 2.0 would only require that one node creates blocks at a time, does that make unnecessary oracles.
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2answers
972 views

Does Ethereum 2.0 still have a gas cost? [duplicate]

I read various articles about this. Some said there is no gas cost, some said there was, some said the whole question was in transition until 2021. Has anyone the official statement about gas costs ...
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0answers
29 views

Avoid Attester Slashing - Etherum2.0

According to specs, for attester slashing i need to compare the epoch with previous epoch my question is- is it enough to check that the current epoch with the last one i saved using ...
1
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0answers
56 views

Avoid Proposer Slashing - Etherum2.0

According to specs, for proposer slashing i need to compare the slot with previous block.slot my question is- is it enough to check that the current block slot is greater than the last block slot i ...
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2answers
189 views

Will gas be free in ETH 2.0?

Will gas be free in ETH 2.0? More generally, will gas ever be free? Is it feasible in near decades?
4
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1answer
652 views

Will Ethereum 2.0 gas cost decrease?

I want to generate large number of transaction probably in thousands per day to store document hashes of certificates from Universities so that I can verify the integrity of documents through time ...
2
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2answers
144 views

How to deploy Smart Contract on Ethereum 2.0

I want to know how to deploy Smart Contract on Ethereum 2 Testnet using web3 ?
3
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2answers
262 views

Can I split the eth-deposit for running a eth2.0-validator to multiple transactions

For running a validator one need to deposit 32ETH to a specific deposit-contract on the ETH1.0 chain. My question is, is it possible to split this deposit to multiple transactions (e.g. 4x8ETH)? ...
3
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1answer
60 views

What caused the forks in the Schlesi testnet?

The Schlesi testnet was the first multiclient testnet for ETH2 clients. Lighthouse, Prysm, Teku were in consensus before it forked. What were the causes of the forks? Is there a technical post ...
2
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2answers
307 views

How are block proposers selected in Ethereum 2.0?

i'm doing some research about Ethereum 2.0 for university. I think i understand the way it works, but i have a perplexity about the proposer selection in a slot, especially after reading the codes ...
0
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1answer
160 views

Ether price prediction after PoS consensus protocol in Ethereum 2.0 [closed]

What do you think about the Ether price after Ethereum 2.0 moves to Proof of Stake consensus protocol? will it rise or fall? and why?
2
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1answer
48 views

What is the tech stack behind the Teku client?

What are Teku's major components? What databases did it consider and decide on? Are there architectural elements and market goals that are particularly differentiated from how other beacon chain ...
4
votes
1answer
192 views

What is the tech stack behind the Prysm client?

What are Prysm's major components? What databases did Prysm consider and decide on? Are there elements in Prysm's architecture that are particularly differentiated from the other beacon chain ...
2
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1answer
35 views

What is the tech stack behind the Lighthouse client?

What are Lighthouse's major components? What databases did it consider and decide on? Are there elements in its architecture that are particularly differentiated from how other beacon chain clients ...
3
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2answers
281 views

Does the expected average block time for Ethereum 2.0 will change much so that transaction confirmation times can reach sub-seconds on-chain?

I am trying to Google the answer but cannot find any. What is the expected average block time for Ethereum 2.0 when it comes live (on the mainnet)? I am aware that there is cabapility to do faster-...
1
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1answer
735 views

Recommended 64-bit OS for ETH 2.0 node on Raspberry Pi 4B

I would like to participate in one of the current ETH 2.0 testnet with my Raspberry Pi 4B (ARM64 processor, 4GB RAM) and 500 GB USB 3.1 SSD. Performance-wise, this is possible and I run an ETH 1.0 ...
1
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1answer
120 views

Will code utilising web3.js be compatible with Ethereum 2.0?

I'd like to start developing a solution targeting the Ethereum blockchain but I want to target the Ethereum 2.0 blockchain and I'm not so interested in 1.0 anymore. Can I already do the development ...
3
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2answers
1k views

Is there a penalty for having a ETH 2.0 Staking node go down?

For some proof of stake blockchain systems, there is a penalty if the node goes down during staking. Will there be some sort of penalty if an ETH 2.0 staking node went down? And if there isn't how ...
1
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1answer
31 views

ethereum 2.0 sharding, how does data travel around from one shard to the other

Shard 1 needs to contact shard 2 about a contract it has, how does it go about doing it? What's the "traveling salesman path" of least resistance to get to it? Or am I misunderstanding how sharding ...
6
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1answer
74 views

How would a chain specification for a beacon chain look like?

Do Ethereum 2.0 clients, such as Lighthouse, Nimbus, or Prysm implement any standard on defining different chain specifications or genesis blocks comparable to how legacy Ethereum clients do? Would ...
4
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1answer
335 views

What does the beacon chain deposit contract ceremony entail?

To bootstrap an Ethereum 2.0 beacon chain, the deposit contract has to be deployed on the proof-of-work legacy chain. For the beacon-chain mainnet, we are talking about a ceremony potentially ...
1
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1answer
73 views

How to transition to PoS?

I'm trying to find the details of the coming PoW to PoS transition, but all I could find were generic explanations why it was so good. Can somebody point me to a resource or just explain in a few ...