Questions tagged [private]

The tag has no usage guidance.

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2answers
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Unable to create a private chain

I am trying to create a private chain. this are my details { "nonce": "0x0000000000000042", "mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000", "difficulty": "...
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2answers
36 views

Accessing private variables using assembly

I would like program an oracle service which I would like to charge a fee for. Therefore, I would store the data of interest as a private variable in my oracle contract. This private variable should ...
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2answers
316 views

How to transfer ERC20 tokes from Blockchain wallet to MyEtherWallet?

I got some token and by mistake sent them to my Blockchain ETH address. Now, what is the process of transferring them to MEW? They talk about exporting your private key, what does that mean and to ...
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2answers
38 views

Windows 10 private net can't connect to the other peers, geth: 1.8.11

System information: Geth version: Geth/1.8.11-unstable OS & Version: WINDOWS10 I modified the main net Genesis config parameters in DefaultGenesisBlock in genesis.go, and I replaced the ...
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1answer
23 views

Update Private Ethereum node

Now suppose I created my private blockchain using ethereum over any cloud, created dapps over it and created my own crypto over that. Now if ethereum update consensus to POS from POW I want my private ...
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1answer
37 views

ENS Domains and new receive addresses for privacy

Currently I use a new receive addresses every time I receive ETH - Ledger Live creates new receive addresses by default when an address has been 'used' as this is good practice in terms of privacy. ...
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1answer
27 views

Private Company Network

I've got some questions regarding coonecting 2 ethereum nodes (geth) between two different networks: e.g. company A and company B. First, I've already connected two different nodes within the same ...
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1answer
22 views

Stop Data mining on Private Blockchain running on Etherrum platform

We have setup a private blockchain platform using Ethereum and we are using Java based UI layer for it. Can we stop mining process as it is taking lots of time and making the transactions slow?
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1answer
76 views

How to set default gas limit for my custom private network?

I've connected to my custom private ethereum network in remix with web3 provider. Everything was fine, account balance, and address was retrieved successfully. But I don't know why, but I could not ...
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1answer
22 views

part of private blockchain disapear

I have a private blockchain, mined by one ec2 instance. When I restart the instance, significant part of the chain disappear with all transaction and contracts on it. How can I prevent this?
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1answer
142 views

Quorum private transaction is being reverted by EVM

I had setup an quorum network using quorum maker (3 nodes). I tried to perform a public transaction and it worked. But when I tried to perform a private transaction it gets reverted by the EVM node:...
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1answer
171 views

Private Ethereum Chain and Web3 js API

I've developed my own private chain for testnet using geth and CLique and i have some issues with web3.js environment. I starts my nodes using the console parameter in order to get to the Web3 console ...
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1answer
147 views

A problem in building a private network using Ethereum

There is a problem in in building a private network using Ethereum. Geth version : 1.8.3 stable OS & Version : windows 10 My scenario is as follows: The genesis block is as follows { "...
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1answer
344 views

missing ether after uninstalling metamask

Lost my ether from Metamask when I uninstalled it and it did not show up when reinstalled...but it is showing on Etherdelta with the no private key error in red. How do I recover it please? I'm leery ...
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1answer
1k views

I got this problem in my private ethereum blockchain(Node is not syncing, Node data write error ,Synchronisation failed, retrying)

I am new to ethereum and right now getting the ethereum blockchain using geth with geth --port 3000 --networkid 58342 --rpc --rpcport 8545 --rpcaddr 10.0.0.2 --rpccorsdomain "*" console INFO [03-...
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0answers
313 views

Private Ethereum blockchain: missing trie node

I deployed a private blockchain with the following steps: Setting the difficulty to a fixed value (see Running a “quick” Ethereum private network for experimentation and testing) and creating the ...
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0answers
18 views

Calling private function from external - where are referenced type parameters stored in the end?

Let's assume we have something like: contract C { function externalFunction(uint256[] calldata data) external { privateFunction(data); } function privateFunction(uint256[] memory data)...
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0answers
21 views

Private net Miner/Coinbase account changed

I set a Private net with Geth. and use miner.start() to mine blocks. my default account is 0x59a4155889e72de7846da695672d87f0e6da7332 in the keystore folder. PROBLEM: before 3000 blocks, the block's ...
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0answers
6 views

Header broke chain ancestry , Synchronisation failed, dropping peer

Why i get these errors and what does these mean? Header broke chain ancestry , Synchronisation failed, dropping peer
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0answers
13 views

Eth on unlocking auto transfers

Facing a weird issue on geth console on my private network. So, I was trying to unlock an account so that my web3 can access it. As soon as I unlocked, all my ethers just vanished in seconds.. I could ...
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0answers
6 views

Ethereum Private network . Commit new minning work stuck

I am trying to build an ethereum private network. Here is my genesis.json file { "config": { "chainId": 15, "homesteadBlock": 0, "eip155Block": 0, "eip158Block": 0 }, "nonce": "0x0000000000000042", "...