Trending questions in Blockchain

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1 answer

How to set the ERC20 token price in respect to ether in solidity?

Hi, @Jas, In Solidity, you don't directly set ...READ MORE

Nov 9, 2020 in Blockchain by anonymous
 • 10,440 points • 6,392 views
0 votes
0 answers

Adding data dynamically from a table to blockchain

I want to add some data dynamically ...READ MORE

Mar 5, 2021 in Blockchain by anonymous
edited Mar 4, 2025 • 571 views
0 votes
1 answer

How to deploy Hyperledger-fabric V2.0 with SDK using kubernetes

Hi, @There, It involves several steps, most of ...READ MORE

Dec 18, 2020 in Blockchain by Gitika
 • 65,730 points • 3,206 views
0 votes
0 answers

Error: 14 UNAVAILABLE: failed to connect to all addresses fabric sdk

hi all, I have 1 org and 2 ...READ MORE

Jan 29, 2021 in Blockchain by arun
edited Mar 4, 2025 • 811 views
0 votes
0 answers

In Ethreum Private network, why is the account balance not getting updated after sending some ethers from one account to another?

Please refer to this https://www.edureka.co/blog/ethereum-private-network-tutorial. Unless We ...READ MORE

Feb 1, 2021 in Blockchain by Debendra
edited Mar 4, 2025 • 584 views
0 votes
2 answers

Getting error while Initialising the Blockchain

Hello, @Edureka, You have two options: Execute with sudo. This ...READ MORE

Sep 17, 2020 in Blockchain by Roshni
 • 10,440 points • 6,380 views
0 votes
1 answer

PAYMENT ERRORS

Thanks for sharing. READ MORE

Mar 11, 2021 in Blockchain by mabel
edited Mar 5, 2025 • 2,045 views
0 votes
0 answers

Channel mychannel, send transactions failed on orderer OrdererClient Reason: timeout after 10000 ms

I am using fabric-samples 2.2 "test-network" application. ...READ MORE

Jan 26, 2021 in Blockchain by menan
edited Mar 4, 2025 • 706 views
0 votes
1 answer

capture an event issued by a smart contract and make a web request

Hi, @There, Regarding your query, I suggest you ...READ MORE

Dec 29, 2020 in Blockchain by Gitika
 • 65,730 points • 1,812 views
0 votes
0 answers

How can I update the status of the blockchain?

I issue a transaction and pass an ...READ MORE

Jan 21, 2021 in Blockchain by anonymous
 • 120 points
edited Mar 4, 2025 • 656 views
0 votes
2 answers

Key Advantages of Using Blockchain in Banking

Immutability: One of the main features of blockchain ...READ MORE

Apr 7, 2021 in Blockchain by Denis
edited Mar 5, 2025 • 2,820 views
+1 vote
2 answers

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

Looks like the account you are trying ...READ MORE

Dec 6, 2018 in Blockchain by Omkar
 • 69,180 points • 7,259 views
0 votes
1 answer

what coding language is this in for ethereum and does this work for trading if setup right?

Hi there, I dont know about ethereum, but ...READ MORE

Jan 4, 2021 in Blockchain by Achuth
 • 150 points • 3,809 views
0 votes
1 answer

Error: '.' is not recognized as an internal or external command,

Hello @kartik, Edit package.json and remove the ./. Change "start": "./node_modules/nodemon/bin/nodemon.js src/app.js" to "start": "nodemon ...READ MORE

May 5, 2020 in Blockchain by Niroj
 • 82,800 points • 11,196 views
0 votes
2 answers

Code to change owner

Hi, @Wilson, U have to write the require ...READ MORE

Oct 5, 2020 in Blockchain by Rajiv
 • 8,870 points • 3,579 views
0 votes
1 answer

Solidity: Code to hide message sender address (msg.sender) when writing on a contract

Hey @Wilson, You can use a smart contract ...READ MORE

Sep 14, 2020 in Blockchain by Rajiv
 • 8,870 points • 4,208 views
0 votes
1 answer

Need to do pdf file to blockchain and how to do?

Hi @Sagara, Attaching the pdf directly to the blockchain ...READ MORE

Oct 19, 2020 in Blockchain by Gitika
 • 65,730 points • 2,440 views
+1 vote
4 answers

Installing Nodejs: sh: node: command not found error

You have to first install nodejs and ...READ MORE

Oct 22, 2018 in Blockchain by Omkar
 • 69,180 points • 29,297 views
0 votes
2 answers

How to install Ganache on Linux?

For linux you first need to download ...READ MORE

Jun 3, 2019 in Blockchain by Tushar
 • 190 points • 25,337 views
0 votes
1 answer

If any etherium smart contract source code is not verified

To remove the “unverified” label, the human ...READ MORE

May 12, 2020 in Blockchain by Vikas Blockchained
 • 8,187 views
0 votes
1 answer

How do Ethereum node compete for blocks?

A lot of computing time is wasted. ...READ MORE

Sep 6, 2022 in Blockchain by Jojo
edited Mar 5, 2025 • 2,287 views
0 votes
1 answer

Hyperledger Fabric starting ./startFabric.sh Error: proposal failed (err: rpc error: code = Unavailable desc = transport is closing)

1=grpc@1.24.2     2= i have ...READ MORE

May 21, 2020 in Blockchain by Sagar
 • 180 points • 7,236 views
+4 votes
2 answers

Hyperledger Fabric issue: orderer client failed to connect to orderer.xxx.net:7050: failed to create new connection

Hey @gujiwork, Try making the following changes: docker-compose-base.yaml and ...READ MORE

Nov 5, 2018 in Blockchain by Omkar
 • 69,180 points • 27,754 views
0 votes
0 answers

I got stuck in Blockchain Course. Please Help Me!

Please help me I got stuck in ...READ MORE

Sep 6, 2020 in Blockchain by Arcadius
 • 120 points • 1,815 views
0 votes
2 answers

how save data from different account using web3.py to smart contract

Hey, @Amal, It will automatically take the address ...READ MORE

Jul 28, 2020 in Blockchain by Rajiv
 • 8,870 points • 2,859 views
0 votes
1 answer

I face problem while running hyperledger fabric's sample application "build your first network" byfn.sh giving time out while chaincode installation.

Hey, @Sudip, Please check if the peer container ...READ MORE

Apr 27, 2020 in Blockchain by Gitika
 • 65,730 points • 5,874 views
0 votes
0 answers

How do I apply Ethereum Private blockchain or Hyperledger Fabric to Healthcare data management/Drug Traceability?

I just need a lab practice guide ...READ MORE

Jul 3, 2020 in Blockchain by pauloshikoya
 • 120 points
recategorized Jul 3, 2020 by Gitika • 2,740 views
0 votes
1 answer

getting error while starting Hyperleger fabric network on Aws server

Hey, @Nithin, It seems like you have stopped containers ...READ MORE

Mar 30, 2020 in Blockchain by Gitika
 • 65,730 points • 6,712 views
0 votes
1 answer

Channel fails to create Hyperledger Fabric

Hi, @Sara, I guess this error is happening ...READ MORE

May 26, 2020 in Blockchain by Gitika
 • 65,730 points • 4,220 views
0 votes
1 answer

How to create an instance of contract in Truffle console?

Hi, @There, I would suggest you go through ...READ MORE

Jun 17, 2020 in Blockchain by Gitika
 • 65,730 points • 3,177 views
0 votes
1 answer

Blockchain Basic Questions

Hey, @Nikhil  1. A type of distributed ledger database ...READ MORE

Jun 30, 2020 in Blockchain by Gitika
 • 65,730 points • 2,553 views
0 votes
1 answer

Could not assemble transaction, err proposal response was not successful, error code 500, msg chaincode registration failed: container exited with 0

Hey, @Nithin, Can you please post your peer ...READ MORE

Apr 9, 2020 in Blockchain by Gitika
 • 65,730 points • 5,986 views
0 votes
1 answer

My account is already an administrator but its giving the an error on denial of permission

Hi, @There, You can try this in your ...READ MORE

Jun 17, 2020 in Blockchain by Gitika
 • 65,730 points • 2,958 views
+2 votes
1 answer

Issue in Initialising the Blockchain

Hi, I am also getting the same ...READ MORE

Sep 17, 2020 in Blockchain by Edureka
 • 200 points
reshown Sep 17, 2020 by Gitika • 4,316 views
0 votes
1 answer

Private ethereum network can not find geth.ipc

you will need to start your blockchain ...READ MORE

Oct 3, 2021 in Blockchain by Sudler
edited Mar 5, 2025 • 4,116 views
0 votes
1 answer

Not able to install truffle using npm install -g truffle

You'd need root access to install truffle ...READ MORE

Jul 14, 2021 in Blockchain by Dero Idoghor
edited Mar 5, 2025 • 6,003 views
0 votes
2 answers

is there any way of getting all data in hyperledger fabric before we start the ledger

Hey, @Harinishree, You can also do one thing, ...READ MORE

Jun 4, 2020 in Blockchain by Gitika
 • 65,730 points • 2,996 views
0 votes
0 answers

Attach two nodes on different machine via private blockchain (Ethereum)

I have seen many blogs regarding ways ...READ MORE

Jun 9, 2020 in Blockchain by Ritvik
 • 120 points • 2,576 views
0 votes
2 answers

“geth attach” command shows error: Fatal: Unable to attach to remote geth

please check from root, sudo -i geth attach READ MORE

Nov 7, 2020 in Blockchain by balachandar
 • 140 points • 9,944 views
+1 vote
1 answer

while I am hitting servies in node js in hyperledger fabric 2.0 I am getting issues like Invalid common connection profile due to missing configuration data

Hey, @Harinishree, With error "Invalid network configuration due ...READ MORE

May 14, 2020 in Blockchain by Gitika
 • 65,730 points • 2,784 views
0 votes
1 answer

hyperledger composer network is not starting

Hey, @Sudip, First thing you need to start ...READ MORE

May 13, 2020 in Blockchain by Gitika
 • 65,730 points • 2,857 views
0 votes
1 answer

Can someone tell me how to solve the Hyperledger playground installation issue?

I used those commands but the couldn't ...READ MORE

May 5, 2020 in Blockchain by Ratul
 • 180 points • 3,090 views
0 votes
0 answers

How I can check where the data is actually stored when we deploy blockchain?

How I can check where the data ...READ MORE

May 14, 2020 in Blockchain by Zara
 • 140 points • 2,626 views
0 votes
0 answers

What is the address of the sender in this transaction:0x5edb69874d0900d8857468fbe53715cc1a58137709b8b70e46299bf10983dc09

Apr 1, 2020 in Blockchain by Dinesh
 • 180 points • 4,408 views
+1 vote
0 answers

Hyperledger fabric : unable to create channel on raspberry pi 4 with Raft ordering service

Hello, I am trying to setup an hyperledger ...READ MORE

May 13, 2020 in Blockchain by Manon
 • 130 points • 2,517 views
+1 vote
4 answers

How to connect peers to a private network using geth?

Follow the below steps to connect peers ...READ MORE

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 18,434 views
0 votes
1 answer

Can someone tell me how to solve the Hyperledger playground installation issue?

Hey, @Ratul, I would suggest using this command ...READ MORE

May 13, 2020 in Blockchain by Gitika
 • 65,730 points • 1,958 views
0 votes
0 answers

Any blockchain developer available who could resolve my queries?

I am implementing a project in ethereum. ...READ MORE

May 14, 2020 in Blockchain by Zara
 • 140 points • 1,497 views
+1 vote
2 answers

Error 500: mychannel has been migrated to new lifecycle. Chaincode instantiation error.

This error occured only because I had ...READ MORE

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 6,747 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, 2025 • 5,137 views
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