Linked Questions

1 vote
0 answers
23 views

Ethereum Network ID [duplicate]

Hi Stack Exchange community! In terms of public networks, what is the point of specifying different chain IDs when we could just specify a different Network ID? I am just confused as to why I would ...
Afonso Lopo de Carvalho's user avatar
18 votes
5 answers
31k views

How get network ID with ethers.js?

Using web3js it is possible get network ID using the following method: // Contract ABI Load const ABISimpleStorage = require("./build/contracts/SimpleStorage.json"); // Besu Connection Web3 ...
brunillopu's user avatar
7 votes
1 answer
5k views

Geth parameter "networkid" vs. Genesis block "chainId" config?

I have set up a private Ethereum network with a custom chainId (for example 67890) specified in the config part of the genesis.json file, did geth init genesis.json, and got the private net up and ...
hellopeach's user avatar
3 votes
1 answer
6k views

What is chainID? Raw transaction from myEther wallet

So I just ran a function from a contract on Ropsten from myetherwallet.com. It ran fine via metamask, but I was just wondering what chainID was in the rawTx file? { "nonce":"0x2e", "gasPrice":"...
thefett's user avatar
  • 3,910
3 votes
1 answer
4k views

Error: chainId address mismatch

i'm trying to deploy a simple smart contract with node-js on a ganache-GUI but i keep getting this Error: chainId address mismatch; may chainId is the same as the networkId in the ganache app witch is ...
mostafa alipour's user avatar
4 votes
2 answers
2k views

Understanding serialized unsigned raw transaction

I'm currently learning about RLP (ethereum-under-the-hood-part-ii, wiki-eth-rlp) and Ethereum transaction structure, my goal is to create an unsigned raw tx and then sign it. Right now I'm playing ...
onepix's user avatar
  • 283
2 votes
1 answer
404 views

Does transaction have network id?

According to this post, every Ethereum wallet has a number called network id. Does every transaction have this network id? If not, then it should be possible to replay transaction on multiple ...
warchantua's user avatar
0 votes
1 answer
849 views

Go ethereum : ChainID

I install go ethereum for practice I use my blockchain. My question is what does it mean "ChainId" in genesis.json? For example if I write ChainId:1, what does it mean? Dont forget that I'm ...
Engin YILMAZ's user avatar
2 votes
1 answer
783 views

Is it possible to change the network id in GETH once geth is initialized?

I want to change the network_id of my private ethereum network setup with geth. It seems like I have to change it in genesis.json file and also have that id when I start geth. But, to apply the ...
NinjaMAN's user avatar
  • 419
0 votes
1 answer
151 views

Can my funds be stolen by signing a defi contract in another network?

I'm starting to use metamask and I noticed that I'm able to change the network of the same address, so —after digging a little in the web— I now know that every new public address is created from the ...
dguerrero's user avatar
  • 103