Trending questions in Blockchain

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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 • 32 views
+1 vote
5 answers

How to solve "truffle: command not found" error in blockchain?

First try restarting the system and then ...READ MORE

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 12,407 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 • 27 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 • 27 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 • 27 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
 • 65,770 points • 1,621 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 • 27 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
 • 65,770 points • 855 views
0 votes
1 answer

Kubernetes: How to connect Node.js SDK to Hyperledger Fabric network?

Hey, @Piyusha, Looks like the network did not ...READ MORE

Nov 12, 2020 in Blockchain by Gitika
 • 65,770 points • 2,808 views
0 votes
1 answer

PAYMENT ERRORS

Thanks for sharing. READ MORE

Mar 11, 2021 in Blockchain by mabel
edited Mar 5 • 951 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 • 2,620 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 • 1,214 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
 • 82,840 points • 10,052 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
 • 10,480 points • 3,580 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
 • 69,220 points • 4,430 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
 • 65,770 points • 1,342 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 • 2,034 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 • 2,158 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 • 1,011 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
 • 6,515 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 • 23,008 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 • 795 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
 • 69,220 points • 26,081 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 • 4,287 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 • 1,628 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 • 1,476 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
 • 65,770 points • 2,127 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
 • 65,770 points • 4,370 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
 • 65,770 points • 1,920 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
 • 65,770 points • 1,369 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
 • 65,770 points • 2,415 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
 • 65,770 points • 4,303 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 • 1,623 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 • 2,843 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 • 4,684 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
 • 65,770 points • 1,635 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 • 1,850 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
 • 65,770 points • 3,465 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
 • 65,770 points • 1,654 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
 • 65,770 points • 1,461 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 • 1,507 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 • 1,347 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 • 7,579 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
 • 65,770 points • 1,015 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 • 1,151 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 • 698 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 • 2,586 views
0 votes
0 answers

Received error response from peer: message=failed to execute transaction 33b63361e1ce528c334ecf9ef70af2c9136c0fcc444d1ead9d24b5bae8c6dc57

Received this error while submitTransaction executes in ...READ MORE

May 4, 2020 in Blockchain by Edureka
 • 120 points • 971 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
 • 69,220 points • 20,693 views
0 votes
0 answers

Inspect and explore the transaction with the hash :0x5edb69874d0900d8857468fbe53715cc1a58137709b8b70e46299bf10983dc09

Apr 1, 2020 in Blockchain by Dinesh
 • 180 points • 1,716 views
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