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Questions tagged [sidechain]

Sidechain is a blockchain that runs in parallel to the main blockchain which extends functionality through interoperable blockchain networks allowing a decentralized way of transferring your tokens between the two chains. This tag should be applied to questions related to a Ethereum-based sidechains.

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Why does addresses generated by create2 differs between blockchains?

Recently, UniswapV2 got deployed on other chains using the same addresses and the same bytecode. But all transactions are getting reverted, and the reason is simple : the uniswap’s factory is using ...
user2284570's user avatar
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29 views

Creating ETH Sidechains

I have been looking online for a resource that helps me how I can build ETH sidechain and Layer 2 How can i use the ETH blockchain and make it a sidechain are there any tutorials or guides ? Do i ...
michaelaberra's user avatar
1 vote
1 answer
25 views

Does chain_id exist in any smart contracts?

Is chainId something any smart contracts have knowledge of, or does it only exist externally to any given chain? I see the eth_chainId function of the JSON-RPC. But are there any ABI queries against ...
Sergio Gliesh's user avatar
0 votes
1 answer
21 views

Can a sidechain change the types of account fields?

I am tasked with creating a private testnet that supports encrypted transactions, using fully homomorphic encryption. I'm trying to modify a validator so that transactions can accept a different ...
ethn00b's user avatar
1 vote
0 answers
72 views

how can I fork Ethereum and turn it into my own sidechain how can I build my smart contracts in it?

how can I copy Ethereum source code and node software client to modify the data structure to turn it into my own sidechain and how can I build smart contracts in the sidechain so that the sidechain ...
Kristeon Simon's user avatar
1 vote
2 answers
145 views

What exactly is the relationship between SideChains and main chain?

I am trying to understand sidechains and how they relate to ethereum but all the articles I read keep saying things like: A sidechain is a separate blockchain that runs independent of Ethereum and is ...
Finlay Weber's user avatar
0 votes
1 answer
98 views

Conversion from Wei to Ether gives different results [duplicate]

I'm trying to analyze the transaction of this contract, but sometimes when I try to convert from wei to ether value of tokens I got comma in different position than expected. This is how I proceed: 1)...
giacomomaraglino's user avatar
0 votes
1 answer
379 views

Conversion from Wei to Ether gives different results

I'm trying to analyze the transaction of this contract, but sometimes when I try to convert from wei to ether value of tokens I got comma in different position than expected. This is how I proceed: 1)...
giacomomaraglino's user avatar
10 votes
4 answers
6k views

Is Polygon (Matic) a layer-2 or a sidechain?

People are calling Polygon both a layer-2 and a sidechain even though these are 2 different concepts. Which one is it?
user610620's user avatar
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1 vote
1 answer
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Quorum with sidechains : Does Quorum work with sidechain blockchains?

I am currently working with quorum blockchain. Due to high number of transactions, there is a need to implement sidechain. Does quorum support sidechains?
archm49's user avatar
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1 vote
0 answers
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tx fee exceeds the configured cap in a private ethereum sidechain

i need your help with this one. I have been struggling with the same issue for days now. I'm getting this error response (tx fee exceeds the configured cap (1.00 ether) when i try to set a relatively ...
Jazzine's user avatar
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1 answer
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how to reduce transaction fees on private blockchains?

I have some questions regarding transaction fees on private blockchain. I'd appreciate your help. Also, if there are any references I can read about this, please let me know. Do transaction fees ...
Nayana's user avatar
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1 answer
35 views

How is this person purposely failing transactions on this sidechain?

so I am using a ethereum side chain to develop on, however I have found what seems to be a bot doing something that I thought was impossible. It seems that they are purposely failing their ...
W1ngBoy's user avatar
  • 11
0 votes
1 answer
134 views

Wouldn't bridging between L1 and L2 result in incongruence when token is burnt on L2 but still exists on L1?

Most bridges between L1 and L2 (let's say between Ethereum and Polygon), particularly with NFT, perform their bridging through the following: From L1 to L2: Hold NFT token in escrow by the bridge on ...
xenon's user avatar
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0 answers
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Would transactions be committed back to the mainnet by sidechains?

When an L2 solution such as a sidechain like Polygon or xDai commits back to the Ethereum mainnet at every of its intervals, do the transactions, storage in the smart contracts, and everything that ...
xenon's user avatar
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0 answers
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Who and how writes L2 transaction to L1?

I read the document of Optimistic, I understood the L2 nodes send the transaction together to L1. However, I couldn't understand how L2 nodes pay the transaction fee. https://community.optimism.io/...
gnxvw's user avatar
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Do computations on polygon require less computing power?

My understanding of Ethereum, is that computing power is paid for in gas fees. I’m assuming a dapp like AAVE requires the same computing power to execute a transaction, regardless of what blockchain ...
DBWeinstein's user avatar
2 votes
0 answers
484 views

Polygon Network Fraud Proofs - State change reversal

After doing some surface reading about the Polygon L2 side-chain. I was interested in what actually happens if a successful fraud proof is submitted?. To enhance the security of the transactions, ...
Malone's user avatar
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0 votes
2 answers
248 views

Ethereum network Sync up with Matic network

We are able to deploy our ERC20 token into Matic Network and it is working fine. But we have few questions here to understand how Matic works with Ethereum Mainnet Once the contract is deployed in ...
iappmaker's user avatar
  • 813
0 votes
1 answer
60 views

What if I transfer mainnet tokens to an xDai address?

What if I transfer mainnet ERC-20/721/1155 tokens or ETH to an xDai address? Transferring to a different blockchain generally doesn't work, but xDai has a token bridge. Will it work for xDai?
porton's user avatar
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3 votes
3 answers
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What if a chain is compromised?

I have deployed a dApp on a sidechain (namely xDai) and am worried about its security. What happens if an EVM chain is compromised? Will it be rolled back after a few hours? or what? If the mainnet is ...
porton's user avatar
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1 vote
0 answers
90 views

How to develop a new EVM sidechain?

I want to find documentation about how to develop my own sidechain. I have been trying to research the code of xDai github but I don't completely understand how it works exactly and how to implement a ...
Alexander Herranz's user avatar
0 votes
1 answer
672 views

How to create you own ethereum sidechain?

How can I create a geth-clique POA network as an Ethereum sidechain to mainnet or testnets. what is the simplest ways to do that? are there any frameworks that can be implemented easily
MYANZIK shrestha's user avatar
0 votes
1 answer
51 views

Blockchain interoperability

i hope that you are doing well! I wanna build an Blockchain interoperability approach based on side chain and i don't know how to start, so if someone can help me please don't hesitate to text me i ...
sakhri islem's user avatar
2 votes
0 answers
76 views

How to keep a Sidechain up to date with well known static singleton contracts?

it becomes more and more common in the Ethereum ecosystem to have contracts that only need to exist one time - and all other DApps/Contracts are interacting with this one contract instance. Here are ...
Thomas Haller's user avatar
2 votes
1 answer
402 views

Sidechain communication with mainchain

I was exploring sidechains and two-way pegs but didn't clearly understand one point: How does a sidechain know if funds are locked in the main chain? To my understanding blockchains are "isolated" ...
kuzdogan's user avatar
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1 vote
1 answer
79 views

Can I use other tokens in loom network (sidechains)? How does loom network handles it?

How to receive other tokens in the smart contract deployed in loom and keep it in escrow?, this is the code. pragma solidity ^0.5.0; //import ERC20 functionality ... contract Example { ...
Amiya Behera's user avatar
0 votes
1 answer
62 views

Can block validation be done using machine Learning Algorithms?

I am looking for a new era of products that leverages the potential of Machine Learning and the blockchain, Thinking of different aspects of Blockchain which can be improved with the help of machine ...
CryptoScroller's user avatar
7 votes
2 answers
2k views

Offchain vs Sidechain vs StateChannel

What are the main differences between off-chain, sidechain and state channel? And what are the use-cases of all of these?
Meet Siraja's user avatar
2 votes
0 answers
113 views

How can I extract sidechains (transient forks) from a geth node before they get discarded?

According to my understanding, transient forks (also known as sidechains in geth's source code) are discarded or overwritten when a reorganization happens. But before that, when the node detects a ...
isra's user avatar
  • 56
1 vote
2 answers
212 views

connect users to the sidechain SKALE

SKALE is Ethereum Dapps to run high speed, Low cost smart contract layer. I wish to connect users to the sidechain SKALE,from their browser. automatically without the manual change as necessary for ...
Benson K B's user avatar
2 votes
1 answer
60 views

Is Raiden viable for one way micro payments?

As an example if we wanted to increase participation on the Ethereum stackexchange, we could set up a contract to make micro payments out to stack members based on reputation/badges. This would only ...
Kento's user avatar
  • 63
1 vote
1 answer
494 views

Processing gas cost on a sidechain

I am developing a sidechain that will store data and I want to evaluate the processing of this data in the ethereum network to get the cost in gas. I'm going to develop a smart contract that will ...
Mutante's user avatar
  • 165
0 votes
1 answer
221 views

Sending Ether between two separate ethereum blockchain [duplicate]

is there any possible way to send ether (preferably other cryptos too) between two separate ethereum (also any other blockchains) blockchains ? also is HTLC support is needed for this to be achieved?.....
LordGoats's user avatar
0 votes
1 answer
152 views

Ethereum Sidechains can run it own smart contracts

When I use a sidechain to store certain information, are smart contracts made in Ethereum's main blockchain or can I have smart contracts inside my sidechain not using Ethereum main chain?
Mutante's user avatar
  • 165
1 vote
1 answer
203 views

Ethereum sidechain application

I am developing a simulation that will be made millions of transactions, studying Ethereum, I realized that it would not be worth storing these transactions in the ethereum platform due to the cost of ...
Mutante's user avatar
  • 165
1 vote
2 answers
58 views

Proper way to design a descentralized game

Let's say I'm designing a multiplayer game, where players can fight each other in different battles. As a result of each battle, players get a punctuation. Suppose I'm using a sidechain. Which should ...
Federico Caccia's user avatar
1 vote
0 answers
27 views

Question about incorruptibility as a sidechain directly to plasma chain

Hi there I was wondering 2 things. In order for a plasma chain to work on an asset do you need a corrosponding ERC20/ERC721 token on the ethereum mainchain first? I am thinking of using BTCRelay type ...
cryptodev's user avatar
3 votes
1 answer
375 views

Communicating between a Sidechain and a Mainchain

Side chains (see linked question ) can be seen as a blockchain attached to a "parent" blockchain using a "two way" peg. Smart contract addresses are generated deterministically(HD wallet style), but ...
user44515's user avatar
1 vote
0 answers
46 views

Ethereum 2nd Layer Solutions, Side-Chains, Child-Chains, Root-Chains: [duplicate]

There are many projects implementing a so-called side-chain or a new chain which works as 2nd layer solution. What does this mean technically? How can one connect a 2nd layer chain with a root-chain e....
NowsyMe's user avatar
  • 1,365
3 votes
1 answer
72 views

Raiden network and publicity

As I understand, privacy on of the key features or Raiden. Let's say that I want fast transactions but at the same time I want to have the transparent transactions history for an independent observer,...
Artem's user avatar
  • 142
0 votes
1 answer
72 views

Can Raiden Network transfers occur offline?

Since Raiden is off-chain, could I theoretically set up some channels among a group of local parties and conduct transactions offline via NFC, bluetooth, wifidirect, etc.? Since it's off chain and ...
John Murphy's user avatar
1 vote
1 answer
804 views

Two Questions Regarding the Plasma Side-Chain and Contract stuff

I have read around some stuff on the idea of side-chains and the Ethereum Plasma project, so from what I understand, the side-chain idea basically works as follows: someone can deposit ether to a ...
hellopeach's user avatar
4 votes
4 answers
1k views

Pegging a private chain to Ethereum public blockchain

Are there any good tutorials or resources for sidechain development or are these just specialized private chain pegged to the Ethereum network?
0xsegfault's user avatar
  • 1,260
5 votes
2 answers
350 views

Why are Plasma child chains forced to be of UTXO type, and why not a regular ethereum chain running PoA or similar?

Been doing research in Plasma, and Ethereum side chains and something I've come across (but can't seem to find an explanation of) is why are all Plasma child chains of UTXO type? I'm wondering why ...
hextet's user avatar
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10 votes
2 answers
5k views

How to create Sidechain?

I have two questions regarding sidechain. Q1. Do we need specific technology stack to create sidechain ? Q2. Can any public blokchain can be use for sidechain ? also how can i use sidechain with ...
Waris Ahmed khan's user avatar
-1 votes
1 answer
927 views

Sidechain with Ethereum

can any one please suggest me how to implement side block chain for Ethereum. I heard about doge coin but have not found anything related to it. Thanks Amit Modi
Amit Modi's user avatar
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1 vote
0 answers
382 views

What's the difference between a side chain and a state channel? [duplicate]

I hear them almost used interchangeably, and I was wondering what the technical difference is so that I can use the terms correctly. From my understanding, a sidechain is a subset of a state ...
thefett's user avatar
  • 3,910
1 vote
1 answer
105 views

BTCRelay - What incentives do relayers have to submit accurate data?

It's possible I misunderstood how BTCRelay works, but relayers submit block headers to verify from Ethereum that transactions took place in Bitcoin. What prevents relayers from committing fraud by ...
luca590's user avatar
  • 221
0 votes
1 answer
397 views

what is the motivation behind sidechain?

I learnt from another SE post that sidechaining is any mechanism that allows tokens from one blockchain to be securely used within a completely separate blockchain but still moved back to the original ...
Anam Nizami's user avatar