Most answered questions in Blockchain

–1 vote
1 answer

Not able to compile truffle project

Hi. If you look at the error ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 2,113 views
–1 vote
1 answer

Not able to install truffle

I know this is very frustrating, I ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 4,775 views
–1 vote
1 answer

Miner in Ethereum Private network is hanging

Looking at your commands again, I figured ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 2,424 views
–1 vote
1 answer

Not able to create new account in geth for private ethereum blockchain

personal.newAccount() is not a default geth method. This ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 4,381 views
–1 vote
1 answer

Not able to use geth attach

You are getting this error because you ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 5,877 views
–1 vote
1 answer

geth attach Fatal: Unable to attach to remote geth: no known transport for URL scheme "c"

Seems like geth.ipc path is not set. When ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 2,389 views
–1 vote
1 answer

How to get pending transaction in geth?

You can check the pending transactions using ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 4,085 views
–1 vote
1 answer

Geth miner not working

Hi. miner.start() gives no output. So, when the output ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 2,896 views
–1 vote
1 answer

setEtherbase() not working in geth

setEtherbase() is not a method of the personal ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 2,082 views
0 votes
1 answer

geth attach command showing error: bind: address already in use

Seems like there is already a geth instance ...READ MORE

Jan 16, 2019 in Blockchain by Omkar
 • 69,180 points • 3,188 views
0 votes
1 answer

Not able to connect to Ethereum node in web browser

By default, geth listens only to localhost. ...READ MORE

Jan 16, 2019 in Blockchain by Omkar
 • 69,180 points • 2,289 views
0 votes
1 answer

How to sync private nodes in geth and testRPC locally?

HI. As much as I know, running ...READ MORE

Jan 16, 2019 in Blockchain by Omkar
 • 69,180 points • 1,780 views
0 votes
1 answer

geth personal.newAccount() shows password error

You have to pass the password as ...READ MORE

Jan 16, 2019 in Blockchain by Omkar
 • 69,180 points • 1,188 views
0 votes
1 answer

Why to use libraries over Json-RPC to interact with Blockchain?

Though Json-RPC provides methods to interact with ...READ MORE

Jan 11, 2019 in Blockchain by Omkar
 • 69,180 points • 1,259 views
0 votes
1 answer

How to interact with blockchain from web application?

You can use the Web3.js library to interact ...READ MORE

Jan 11, 2019 in Blockchain by Omkar
 • 69,180 points • 1,821 views
–1 vote
1 answer

How to add a static node to private ethereum network?

There are two ways to do this. 1. Configuring ...READ MORE

Jan 11, 2019 in Blockchain by Omkar
 • 69,180 points • 2,272 views
0 votes
1 answer

Why is geth --fast faster in downloading the Blockchain?

When you use the --fast flag to download the Blockchain, ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 1,334 views
0 votes
1 answer

How to get Node URL in private ethereum network?

You have already noticed that  admin.peers does ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 2,248 views
0 votes
1 answer

admin.peer not working

There is a typo in your command. ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 787 views
0 votes
1 answer

How to get IP address of peer connected in private ethereum network?

Could you share what you have done ...READ MORE

Mar 24, 2021 in Blockchain by Arafat
edited Mar 5 • 3,672 views
0 votes
1 answer

How to check peer connectivity in ethereum private network?

You can use the net module to check the ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 1,879 views
–1 vote
1 answer

How to get balance of all accounts in ethereum network using javascript?

You can write a function that will ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 2,932 views
–1 vote
1 answer

How to list ethereum accounts in RPC?

You can use the following command to ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 1,715 views
–1 vote
1 answer

How to connect two different nodes in private ethereum network?

To connect two nodes, you can use ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 3,285 views
–1 vote
1 answer

How to change default account in private ethereum network?

First list the accounts: > eth.accounts NOTE: Even ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 2,208 views
–1 vote
1 answer

How to import an account in private ethereum network?

 When you create a new account, the ...READ MORE

Jan 9, 2019 in Blockchain by Omkar
 • 69,180 points • 1,891 views
0 votes
1 answer

How to check ethereum logs?

Hey there! You don't have a Verbose ...READ MORE

Jan 9, 2019 in Blockchain by Omkar
 • 69,180 points • 10,259 views
0 votes
1 answer

Not able to send ethers in private ethereum network

Your account is locked by default due ...READ MORE

Jan 9, 2019 in Blockchain by Omkar
 • 69,180 points • 1,552 views
0 votes
1 answer

How to set miner threads outside geth console?

Yes, you can set the miner threads ...READ MORE

Jan 9, 2019 in Blockchain by Omkar
 • 69,180 points • 1,859 views
0 votes
1 answer

How to get account with ethers by default in ethereum private network?

Have you created an account before allocating ...READ MORE

Jan 9, 2019 in Blockchain by Omkar
 • 69,180 points • 2,066 views
0 votes
1 answer

Not able to unbox truffle drizzle

It could be due to a broken ...READ MORE

Jan 9, 2019 in Blockchain by Omkar
 • 69,180 points • 1,959 views
–1 vote
1 answer

Latest block number in Bitcoin

You can get the current block number ...READ MORE

Jan 7, 2019 in Blockchain by Omkar
 • 69,180 points • 915 views
0 votes
1 answer

Bitminter shows no progress but my system heated up and shutdown

After initialization of bitminter you won't be ...READ MORE

Jan 3, 2019 in Blockchain by Omkar
 • 69,180 points • 1,453 views
0 votes
1 answer

Not able to pull any events in ethereum

You need to catch the even emitted ...READ MORE

Dec 31, 2018 in Blockchain by Omkar
 • 69,180 points • 1,036 views
0 votes
1 answer

Ethereum contract hangs on AWS

Please check the memory consumption for docker ...READ MORE

Dec 31, 2018 in Blockchain by Omkar
 • 69,180 points • 1,012 views
0 votes
1 answer

When I create public getters (committed code), my contract exceeds code size limit

Are you pushing info one by one ...READ MORE

Dec 31, 2018 in Blockchain by Omkar
 • 69,180 points • 1,231 views
–1 vote
1 answer

User Identity Management in Ethereum using ERC725

The identity consists of two main parts: Keys ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
 • 69,180 points • 2,432 views
–1 vote
1 answer

User Identity management on Ethereum Blockchain

User Identity management can be done via ERC725 ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
 • 69,180 points • 1,996 views
–1 vote
1 answer

Unable to create account in geth

Well, that's not how you create a ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
 • 69,180 points • 1,032 views
0 votes
1 answer

Not able to install Multichain

Hi. It seems you have changed some ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
 • 69,180 points • 1,194 views
0 votes
1 answer

HyperLedger Fabric and Multichain - difference & different use cases

MULTICHAIN: It is a Permissioned Blockchain. It doesn't implement ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
 • 69,180 points • 3,489 views
0 votes
1 answer

Solidity error: SyntaxError: No visibility specified.

As mentioned in the error, you have ...READ MORE

Dec 12, 2018 in Blockchain by Omkar
 • 69,180 points • 7,892 views
0 votes
1 answer

How to print a message in Solidity??

You can use the require function to do this. ...READ MORE

Dec 12, 2018 in Blockchain by Omkar
 • 69,180 points • 16,566 views
0 votes
1 answer

Cant set Remix IDE to work on testrpc

As I can see that you are ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 971 views
0 votes
1 answer

truffle create contract shows no network available error

In your truffle project directory, you have ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 1,409 views
0 votes
1 answer

How to create a contract in truffle?

The command you are using to create ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 2,060 views
0 votes
1 answer

Not able to create contracts in truffle

It seems like you have files missing that ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 1,133 views
0 votes
1 answer

Not able to migrate truffle project even after running testrpc

Maybe you forgot to compile the project ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 1,258 views
0 votes
1 answer

Truffle migrate: Error: You must specify a network_id in your 'development' configuration in order to use this network.

You have to mention the network id ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 8,847 views
0 votes
1 answer

Not able to attach geth.ipc: Fatal: Unable to attach to remote geth: connect: connection refused

You should not mention double quotes for ...READ MORE

Dec 6, 2018 in Blockchain by Omkar
 • 69,180 points • 3,302 views
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