Most viewed questions in Blockchain

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1 answer

Get bitcoin historical data

Actually, you CAN get the whole Bitcoin ...READ MORE

Apr 6, 2022 in Blockchain by Aditya
 • 7,680 points • 1,183 views
0 votes
1 answer

Ethereum generating genesis Python Syntax

print in python3 is a method not a ...READ MORE

Oct 10, 2018 in Blockchain by Omkar
 • 69,180 points • 1,183 views
0 votes
1 answer

what is the meaning of the term 'airdrops' in cryptocurrency?

Cryptocurrency vocabulary is difficult to pin down. ...READ MORE

Apr 12, 2022 in Blockchain by Rahul
 • 9,690 points • 1,182 views
0 votes
1 answer

In assymetric cryptography how and when the sender will share the public key with the receiver?

Consider this example: Suppose Bob wants to send ...READ MORE

Jul 3, 2019 in Blockchain by Sheila
 • 1,181 views
0 votes
1 answer

Python authenticated calls to bitfinex exchange

You should use byte type api_secret. api_secret = ...READ MORE

Sep 7, 2018 in Blockchain by slayer
 • 29,370 points • 1,181 views
+1 vote
1 answer

Can one pay ICO's token to an ICO consultant?

It is in fact possible to programmatically ...READ MORE

Aug 6, 2018 in Blockchain by Perry
 • 17,100 points • 1,181 views
0 votes
1 answer

Can't install remote HTTP chaincode

Fabric 1.0 does not support remote paths ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,179 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 • 1,177 views
0 votes
1 answer

How to Track Payment API in Coinbase

Use the callback_url option as described in the API. ...READ MORE

Sep 5, 2018 in Blockchain by slayer
 • 29,370 points • 1,177 views
0 votes
1 answer

Is there a pricing calculator for azure-blockchain-workbench or azure baas using hyperledger fabric?

The cost of Blockchain Workbench is an ...READ MORE

Apr 11, 2022 in Blockchain by Rahul
 • 9,690 points • 1,176 views
0 votes
0 answers

LIVE PODCAST THREAD** (#2 Are Smart contracts really the Future?)

Hey guys this is the link to ...READ MORE

Jun 28, 2019 in Blockchain by Vardhan
 • 13,130 points • 1,176 views
0 votes
1 answer

How to solve Yobit API connection 503 server error?

Try to use "https://www.yobit.net/api/3/info" URL Instead of ...READ MORE

Aug 21, 2018 in Blockchain by slayer
 • 29,370 points • 1,176 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 • 1,174 views
0 votes
1 answer

Why do bitcoin uses UTXO model? What are the advantages UTXO mechanism provides out of the box?

Basically, Bitcoin nodes maintain a set of ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
 • 7,680 points • 1,173 views
0 votes
1 answer

How do I compile a piece of Solidity Code using eris' javascript?

The easiest way to compile Solidity is ...READ MORE

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 1,171 views
0 votes
1 answer

Bitcoin ticker + fontawesome

Font Awesome arrow up is displayed like ...READ MORE

Apr 12, 2022 in Blockchain by Soham
 • 9,730 points • 1,168 views
0 votes
1 answer

Hyperledger Composer: REST Server transaction failed but returns 200 status

You need to return the function calls from the ...READ MORE

Nov 6, 2018 in Blockchain by Omkar
 • 69,180 points • 1,168 views
0 votes
1 answer

Error while Querying System Chaincode.

Do not interact directly with the ledger.. ...READ MORE

Jul 12, 2018 in Blockchain by digger
 • 26,740 points • 1,168 views
+1 vote
1 answer

Where does hyperledger stores stores assets and participants??

There are two places where hyperledger stores ...READ MORE

Apr 18, 2018 in Blockchain by Shashank
 • 10,400 points • 1,167 views
0 votes
1 answer

How to reduce a random hash to a boolean value

Take the largest or smallest bit from ...READ MORE

Oct 30, 2018 in Blockchain by Christine
 • 15,750 points • 1,164 views
0 votes
1 answer

Hyperledger Fabric: ./byfn.sh -m up failed

Try adding GODEBUG=netdns=go to the environment variables ...READ MORE

Oct 26, 2018 in Blockchain by Omkar
 • 69,180 points • 1,163 views
0 votes
1 answer

Hyperledger Sawtooth installation JAVA_HOME: path not found

/etc/environment is a bash script, so change the ...READ MORE

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,163 views
0 votes
1 answer

How can a composer fabric business network file, be deployed to the bluemix blockchain service today?

You can use Composer with the Bluemix ...READ MORE

Aug 8, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,162 views
0 votes
1 answer

What if Gas required in my program exceeds the limit of 3000000?

Going through your code, I noticed that  you ...READ MORE

May 29, 2018 in Blockchain by Perry
 • 17,100 points • 1,160 views
0 votes
1 answer

Public key encoding changes

You are printing the memory address of ...READ MORE

Sep 19, 2018 in Blockchain by Christine
 • 15,750 points • 1,159 views
0 votes
1 answer

How to send bitcoins to multiple recipients at once?

To send bitcoins to multiple recipients, you ...READ MORE

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 1,158 views
0 votes
1 answer

Error in generating network sample.

I resolved this issue by downloading the ...READ MORE

Jul 26, 2018 in Blockchain by Perry
 • 17,100 points • 1,158 views
0 votes
1 answer

How to check the data integrity logic in proof of work mining?

The proof of work is actually works ...READ MORE

May 8, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,158 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 • 1,157 views
0 votes
1 answer

Cant install quorum blockchain.

You are facing this issue because you ...READ MORE

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 1,156 views
0 votes
1 answer

Trying to setup a hyperledger but REST API is throwing error

Not sure if you are still looking ...READ MORE

Jul 25, 2018 in Blockchain by aryya
 • 7,460 points • 1,156 views
0 votes
1 answer

"could not find test.properties" error in Hyperledger v1.0

There is no java sdk for your ...READ MORE

Jul 5, 2018 in Blockchain by digger
 • 26,740 points • 1,156 views
+1 vote
0 answers

How can i can create different cards upon signup and also how can we manage them while login, in hyperledger composer?

Oct 14, 2019 in Blockchain by Vishnu
 • 130 points • 1,155 views
0 votes
1 answer

How to create a version control for a simple array using blockchain?

For tracking changes you may simply save ...READ MORE

Aug 31, 2018 in Blockchain by Christine
 • 15,750 points • 1,155 views
0 votes
1 answer

Hyperledger Fabric: cannot run chaincode from github on Ubuntu terminal

Like the error says: *SimpleChaincode does not implement ...READ MORE

Oct 31, 2018 in Blockchain by Omkar
 • 69,180 points • 1,153 views
0 votes
1 answer

How to change Endorsement policies

Well the good news is that it ...READ MORE

Jul 18, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,153 views
0 votes
1 answer

why are permissions not stored in blockchain?

When a channel is created, the configurations ...READ MORE

Jul 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,153 views
0 votes
2 answers

Hyperledger Fabric Bluemix not accepting logins.

The error is caused because your certificate ...READ MORE

Jun 29, 2018 in Blockchain by Omkar
 • 69,180 points • 1,148 views
0 votes
1 answer

Current JSON package to retrieve info from links

public static String btcvalue(){ ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,370 points • 1,146 views
0 votes
1 answer

How to issue regular payouts to multiple wallets?

The cheapest way to do this is ...READ MORE

Oct 30, 2018 in Blockchain by Christine
 • 15,750 points • 1,145 views
0 votes
1 answer

Hyperledger Composer error in transaction

Check that you have declare the function ...READ MORE

Jul 21, 2018 in Blockchain by shweta
 • 440 points • 1,145 views
0 votes
1 answer

How to read the ETH value and other token values from an account?

You can do this eth.accounts shows you all known ...READ MORE

Oct 22, 2018 in Blockchain by Omkar
 • 69,180 points • 1,144 views
0 votes
1 answer

Why we should create two connection profiles for one organization, i.e 1. Org1 only and Org1 and Org2 ?

The need for the distinct Org1 and ...READ MORE

Aug 6, 2018 in Blockchain by aryya
 • 7,460 points • 1,144 views
0 votes
1 answer

Bitcoin address SHA256 pipe gives wrong output

You need to hash the raw byte ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 1,143 views
+1 vote
1 answer

How the data stored in the blockchain is verified?

Hey @mayukha. When a transaction is is ...READ MORE

May 21, 2019 in Blockchain by Rajendra
 • 1,141 views
0 votes
1 answer

How to change "gasLimit" on Azure private blockchain?

Before deploying your network on Azure you ...READ MORE

Jul 3, 2018 in Blockchain by Omkar
 • 69,180 points • 1,141 views
0 votes
1 answer

How does the consensus happen in Saas based blockchain application?

I will be maintaining the database at ...READ MORE

Jul 20, 2018 in Blockchain by aryya
 • 7,460 points • 1,140 views
0 votes
1 answer

Are "unconfirmed transactions" of a blockchain's memory pool spread over nodes?

Yes, as soon as a transaction is ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
 • 9,690 points • 1,139 views
0 votes
1 answer

Can a hyperledger composer work without fabric installed?

The pre-requisites section of hyperledger composer explains ...READ MORE

Jul 24, 2018 in Blockchain by digger
 • 26,740 points • 1,138 views
0 votes
1 answer

How to limit execution of smart contract only to my dapp?

You can use modifiers to do it ...READ MORE

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 1,138 views
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