Most viewed questions in Blockchain

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How to protect private blockchain with public blockchain?

Private blockchain has the risk of 51% ...READ MORE

Apr 4, 2022 in Blockchain by Soham
• 9,730 points
609 views
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Corda - How to check if counter party nodes are running?

I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 28, 2019 in Blockchain by Sriram
• 160 points
602 views
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1 answer

What is the "eosio" account re:EOS blockchains?

Its private key is stored at config.ini # ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
• 7,680 points
600 views
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1 answer

Ethereum serpent version conflict error.

Upgrade to the lastest version of ethereum-serpent ...READ MORE

Oct 24, 2018 in Blockchain by Omkar
• 69,180 points
599 views
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How to get AUD price of bitcoin at a particular date

I am trying to find out how ...READ MORE

Mar 1, 2022 in Blockchain by Soham
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592 views
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Blockchain platform in C

I am trying to understand available blockchain ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
• 9,690 points
589 views
0 votes
1 answer

What did permissioned blockchain solve?

To answer your question, the permissioned networks ...READ MORE

Apr 6, 2022 in Blockchain by Aditya
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585 views
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Azure Blockchain , Cannot read property 'uri' of undefined

I am starting with Azure Blockchain. When ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
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583 views
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WA: With the wings of the technology, constantly broadening the field of development

According to the history, in the Internet ...READ MORE

Jan 24, 2019 in Blockchain by anonymous

recategorized Jan 24, 2019 by Vardhan 576 views
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BITCOIN payments, OP_RETURN parameter

I want to automate BITCOIN payments and ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
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560 views
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Are all Blockchain array implementations incorrect?

I found many Blockchain implementations on the ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
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558 views
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What is the difference between blockchain performance and blockchain scalability?

I really don´t get the difference between ...READ MORE

Apr 4, 2022 in Blockchain by Soham
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546 views
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Trying To Open Bitcoin Miner On Terminal

Trying to open a file, but the ...READ MORE

Mar 4, 2022 in Blockchain by Soham
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538 views
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Blockchain and HyperLedger Fabric difference

While I was trying to understand blockchain ...READ MORE

Mar 3, 2022 in Blockchain by Soham
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532 views
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Scrypt algorithm output doesn't match up as expected

I am trying to get my head ...READ MORE

Mar 1, 2022 in Blockchain by Soham
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525 views
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Store Images on/off blockchain? which is better?

I have been using hyperledger fabric and ...READ MORE

Mar 4, 2022 in Blockchain by Soham
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524 views
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How to Query Transaction on Hyperledger Sawtooth?

I want to perform CRUD operations in ...READ MORE

Mar 8, 2022 in Blockchain by Soham
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515 views
0 votes
0 answers

how does blockchain work?

Jan 7, 2022 in Blockchain by Edureka
• 13,680 points
509 views
0 votes
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how can i use blockchain?

Jan 7, 2022 in Blockchain by Edureka
• 13,680 points
487 views
0 votes
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Blockchain Development Company

If you are one of those entrepreneurs ...READ MORE

Feb 7, 2022 in Blockchain by Olivia
• 120 points
478 views
0 votes
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Ontology Blockchain development

I'm analyzing the Ontology blockchain. The core of ...READ MORE

Apr 4, 2022 in Blockchain by Soham
• 9,730 points
469 views
0 votes
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can anyone recommend me blockchain course? or any other learning material that is beginner friendly

can anyone recommend me blockchain course? or ...READ MORE

Nov 16, 2022 in Blockchain by Akash

edited Mar 4 307 views
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solidity struct is not generated in java wrapper code

struct itemDetails{ uint256 itemId; string itemName; uint256 itemVal; } mapping(address => itemDetails[]) ...READ MORE

Oct 27, 2023 in Blockchain by sanap

edited Mar 5 239 views
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please can you send me a valid genesis.json file in my email adress : victordievi@gmail.com

when i run geth --datadir ./data init ...READ MORE

May 27, 2023 in Blockchain by victor

edited Mar 5 238 views
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i am having an error called identifier not found or not unique.

i have called a function for owner ...READ MORE

Dec 19, 2022 in Blockchain by virat

edited Mar 4 238 views
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How can I code my own cryptocurrency mining software?

I've been researching for months. But I ...READ MORE

Feb 17, 2023 in Blockchain by Turkuaz

edited Mar 5 220 views
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Error while creating channel in hyperledger-fabric

$ ./network.sh createChannel Using docker and docker-compose Creating channel ...READ MORE

Aug 1, 2022 in Blockchain by Shaik

edited Mar 4 162 views
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How to change the transaction in ganache?

I do not know how to change ...READ MORE

Apr 16, 2021 in Blockchain by Gia Huy

edited Mar 4 139 views
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Is there a way to automatically send eth from one wallet to another?

I have a wallet in which all ...READ MORE

May 21, 2021 in Blockchain by Rajeev

edited Mar 4 135 views
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Query LOCAL Bitcoin blockchain with C# .NET

I am trying to check the balance ...READ MORE

Apr 4, 2022 in Blockchain by Soham
• 9,730 points

edited Mar 4 129 views
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How can I save the information that the contract stores in Blockchain to my laptop?

I have written a smart contract in ...READ MORE

Feb 23, 2022 in Blockchain by mehran

edited Mar 4 124 views
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Mapping structure before copying values

Below is the code ``` pragma solidity ^0.4.18; contract Courses ...READ MORE

Aug 22, 2022 in Blockchain by Brijesh
• 120 points

edited Mar 4 121 views
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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 4 114 views
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how does bitcoin prevent double-spending?

can someone help me create a Pseudocode ...READ MORE

Apr 5, 2022 in Blockchain by Soham
• 9,730 points

edited Mar 4 111 views
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Hyperledger Fabric 1.4 Private data collection

Hyperledger fabric provides inbuilt support storing offchain ...READ MORE

Mar 10, 2022 in Blockchain by Soham
• 9,730 points

edited Mar 4 106 views
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Do I need to learn programming languages like python and c to learn block chain examples in ethereum go ?

When I was learning blockchain from edureka ...READ MORE

Jun 25, 2022 in Blockchain by anonymous

edited Mar 4 104 views
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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 4 103 views
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Automatically Transfer ETH

Hello,  I don't know anything coding.    Is there any ...READ MORE

Jul 14, 2021 in Blockchain by Hacker

edited Mar 4 99 views
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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 99 views
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How is data entry in private and consortium blockchains trusted?

Suppose we have a consortium blockchain like ...READ MORE

Mar 10, 2022 in Blockchain by Soham
• 9,730 points

edited Mar 4 98 views
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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 98 views
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how to fork a Ethereum chain

how to fork a Ethereum blockchain ? what ...READ MORE

Feb 4, 2022 in Blockchain by pawan

edited Mar 4 97 views
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ERROR: for eb97c8f5425c_orderer3.example.com a bytes-like object is required, not 'str'

getting this error when run "docker-compose up ...READ MORE

Jun 27, 2021 in Blockchain by Melisha

edited Mar 4 95 views
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How can i transfer eth automotically in some seconds (from one address to another)

How can I transfer ETH automatically from ...READ MORE

Aug 17, 2021 in Blockchain by Epic

edited Mar 4 94 views
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0 answers

Get bitcoin historical data

I want to do my own bitcoin ...READ MORE

Mar 3, 2022 in Blockchain by Soham
• 9,730 points

edited Mar 4 90 views
0 votes
0 answers

Blockchain and HyperLedger Fabric difference

While I was trying to understand blockchain ...READ MORE

Mar 3, 2022 in Blockchain by Soham
• 9,730 points

edited Mar 4 90 views
0 votes
0 answers

send automatically

I have few child wallets and a ...READ MORE

Jun 6, 2021 in Blockchain by Hamed

edited Mar 4 90 views