Trending questions in Blockchain

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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 • 1,380 views
0 votes
1 answer

“Error getting chaincode package bytes” when deploying chaincode on hyperledger via REST

Considering that you are playing with Bluemix ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,156 views
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1 answer

How to open bitcoin-qt wallet with bitcoinj?

I found this issue solved at the ...READ MORE

Aug 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,246 views
0 votes
1 answer

How to configure diverse workloads and tasks?

Golem appears to be in early stages of ...READ MORE

Aug 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,095 views
0 votes
1 answer

NBitcoin throws InvalidOperationException with the message: “Mac HMACSHA256 not recognised.”

If someone would like to figure out ...READ MORE

Aug 27, 2018 in Blockchain by digger
 • 26,740 points • 1,103 views
0 votes
1 answer

Bitcoinjs browser compile creates an empty file

Try the following: Create index.js with the ...READ MORE

Aug 30, 2018 in Blockchain by digger
 • 26,740 points • 959 views
0 votes
1 answer

How to check history of blockchain.info wallet?

In the link you mentioned(https://blockchain.info/q), there are ...READ MORE

Jul 23, 2018 in Blockchain by slayer
 • 29,370 points • 2,596 views
0 votes
1 answer

Sending keep-alive packet, bitcoin.

You can use Websocket Eventmachine Client (https://github.com/imanel/websocket-eventmachine-client) gem to ...READ MORE

Aug 20, 2018 in Blockchain by digger
 • 26,740 points • 1,387 views
0 votes
1 answer

Not able to build bitcoind on mac.

You have to install pkg-config before running ...READ MORE

Aug 23, 2018 in Blockchain by slayer
 • 29,370 points • 1,250 views
0 votes
1 answer

What is approve and allowance method?

approve(): This method is used by one ...READ MORE

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 2,272 views
0 votes
0 answers

How do I identify invoking peer/organisation inside Hyperledger Fabric V1.0 chaincode?

Is there any way to know the ...READ MORE

Aug 23, 2018 in Blockchain by Christine
 • 15,750 points • 1,253 views
0 votes
1 answer

Encoding integers in solidity

There are different ways to do this ...READ MORE

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 1,611 views
+1 vote
1 answer

Is it possible to exchange the token for other tokens we create in an Ethereum Smart Contract?

Yes you can do that through something ...READ MORE

Aug 10, 2018 in Blockchain by Perry
 • 17,100 points • 1,688 views
0 votes
1 answer

Bitcoin transaction “"You must provide a recipient address" ” error.

You need an account with BlockChain to ...READ MORE

Aug 20, 2018 in Blockchain by digger
 • 26,740 points • 1,299 views
0 votes
1 answer

How to set up hyperledger fabric on 2 different PCs?

I would recommend that you look at ...READ MORE

Aug 2, 2018 in Blockchain by aryya
 • 7,460 points • 2,099 views
0 votes
1 answer

Are there any plans for composer, to make usage of the recently released Side DB feature?

As of yet, it isn't supported by ...READ MORE

Aug 25, 2018 in Blockchain by Perry
 • 17,100 points • 1,094 views
0 votes
1 answer

How to use third party contract to send ERC token?

You can do it by using a ...READ MORE

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,709 views
0 votes
1 answer

Where does Hyperledger Fabric store the database for the Blockchain? [closed]

The Hyperledger Fabric stores the database in ...READ MORE

Jul 13, 2018 in Blockchain by Perry
 • 17,100 points • 2,895 views
+1 vote
1 answer

Can I setup hyperledger composer on multiple nodes?

To deploy your network on multiple nodes, ...READ MORE

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 2,339 views
0 votes
1 answer

How to debug chaincode? LedgerError - ResourceNotFound

The following command, CORE_CHAINCODE_ID_NAME=mycc CORE_PEER_ADDRESS=0.0.0.0:30303 ./chaincode_example02 doesn't deploy the chaincode, ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,982 views
0 votes
1 answer

What is the difference between Blockchin and Bitcoin

Blockchain has potential beyond Bitcoin and cryptocurrency. ...READ MORE

Jul 13, 2018 in Blockchain by shweta
 • 440 points • 2,881 views
0 votes
1 answer

Bitcoin transaction “amount is below the current minimum” error

I went through the code and the ...READ MORE

Aug 21, 2018 in Blockchain by slayer
 • 29,370 points • 1,192 views
+2 votes
1 answer

What are the wallet path credentials for Web3j?

Follow the below steps: Go to the private ...READ MORE

Aug 2, 2018 in Blockchain by Omkar
 • 69,180 points • 2,715 views
0 votes
1 answer

Truffle tutorials "Error:recipient address is not a contract address"

It appears like you have already migrated ...READ MORE

Aug 8, 2018 in Blockchain by slayer
 • 29,370 points • 1,742 views
0 votes
1 answer

How can I store picture in hypereldger channel?

Design of relationships between assets, participants and ...READ MORE

Aug 21, 2018 in Blockchain by Perry
 • 17,100 points • 1,177 views
0 votes
1 answer

Cant understand cpp snippet

From the function: ...READ MORE

Aug 27, 2018 in Blockchain by slayer
 • 29,370 points • 886 views
0 votes
1 answer

How to solve “ERROR: manifest for hyperledger/fabric-couchdb:latest not found” error?

This seems to be a problem with ...READ MORE

Jul 31, 2018 in Blockchain by digger
 • 26,740 points • 2,052 views
0 votes
1 answer

How to convert Bitcoin rate to USD?

You can use blockchain.info API: URL: https://blockchain.info/ticker Response: { "USD" ...READ MORE

Aug 21, 2018 in Blockchain by slayer
 • 29,370 points • 1,145 views
0 votes
1 answer

Terminating transaction-cli

You can use the -f, -finish <script> which executes ...READ MORE

Aug 20, 2018 in Blockchain by slayer
 • 29,370 points • 1,182 views
0 votes
1 answer

Problem with installing testrpc using python-pip.

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

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,594 views
0 votes
1 answer

Planning to deploy IBM bluemix fabric images on Docker, do I need Amazon ECS or EC2 instances?

Bluemix has an excellent documentation which provides ...READ MORE

Aug 14, 2018 in Blockchain by Perry
 • 17,100 points • 1,409 views
0 votes
1 answer

IPFS transaction cost as a decentralized service

IPFS itself does not have transaction cost, ...READ MORE

Aug 3, 2018 in Blockchain by Perry
 • 17,100 points • 1,875 views
0 votes
1 answer

Implementing Giveaways in Blockchain

I have found a similar question. The ...READ MORE

Aug 17, 2018 in Blockchain by digger
 • 26,740 points • 1,266 views
0 votes
1 answer

How to set bitcoin reward less than 1 coin?

Coin is defined here: https://github.com/bitcoin/bitcoin/blob/master/src/amount.h#L16 static const CAmount COIN ...READ MORE

Aug 22, 2018 in Blockchain by digger
 • 26,740 points • 1,047 views
0 votes
1 answer

How to create Quorum rawTransaction?

Unfortunately this capability is not currently supported ...READ MORE

Aug 17, 2018 in Blockchain by Shashank
 • 10,400 points • 1,272 views
0 votes
1 answer

Webpack destroying code in production.

The problem is that Uglify mangles too ...READ MORE

Aug 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,027 views
0 votes
1 answer

Who decided the rules for Cryptocurrency in the first place?

A single miner can tamper with a ...READ MORE

Aug 22, 2018 in Blockchain by Christine
 • 15,750 points • 1,145 views
0 votes
1 answer

How to add https security for Node js?

You need to add the key and cert to the createServer function. const options ...READ MORE

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,533 views
0 votes
1 answer

How to create a Genesis Block in a Private Network?

{     "nonce": "0x0000000000000042",     "difficulty": "0x000000100",     "alloc": {     },     "mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000",     "coinbase": "0x0000000000000000000000000000000000000000",     "timestamp": "0x00",     "parentHash": ...READ MORE

Jul 12, 2018 in Blockchain by digger
 • 26,740 points • 2,780 views
0 votes
1 answer

Where is query displayed in Hyperledger?

Composer configures the named queries for a ...READ MORE

Aug 17, 2018 in Blockchain by Shashank
 • 10,400 points • 1,252 views
0 votes
1 answer

How to prevent the smart contract from being modified and deployed in Hyperledger network?

Smart contracts can be definitive if they ...READ MORE

Aug 10, 2018 in Blockchain by Perry
 • 17,100 points • 1,504 views
0 votes
1 answer

How do I change default service names in Corda Demobench?

Each Corda node individually advertises the services ...READ MORE

Aug 14, 2018 in Blockchain by Perry
 • 17,100 points • 1,336 views
0 votes
1 answer

How to generate events in Hyperledger Fabric?

You can generate events using a method ...READ MORE

Jul 26, 2018 in Blockchain by digger
 • 26,740 points • 2,139 views
0 votes
1 answer

How do i add images in hyperledger?

In your registry, you can Base64-ify your ...READ MORE

Aug 21, 2018 in Blockchain by Perry
 • 17,100 points • 1,041 views
0 votes
1 answer

Error in Chaincodes not getting picked up by ./startFabric.sh

After changing chaincode in fabric-samples/chaincode/fabcar/go/fabcar.go (this is ...READ MORE

Jul 31, 2018 in Blockchain by Shashank
 • 10,400 points • 1,923 views
0 votes
1 answer

Why does Blockchain comes under Distributed Ledger Technology instead of being merely a replicated database?

1. Data in a database is generally subject ...READ MORE

Aug 10, 2018 in Blockchain by Christine
 • 15,750 points • 1,473 views
0 votes
1 answer

What is the purpose of Blockchain Technology?

The purpose of Blockchain technology is to ...READ MORE

Jul 23, 2018 in Blockchain by Omkar
 • 69,180 points • 2,359 views
0 votes
1 answer

How many blocks does Wavesnet Blockchain have?

This question is old, and you obviously ...READ MORE

Aug 7, 2018 in Blockchain by Perry
 • 17,100 points • 1,603 views
+1 vote
1 answer

How do i add images in Hyperledger?

You can not directly add an image ...READ MORE

Aug 10, 2018 in Blockchain by Omkar
 • 69,180 points • 1,406 views
0 votes
1 answer

How to solve “Error: Expected a Resource or Concept”?

There are few errors in code. I ...READ MORE

Jul 31, 2018 in Blockchain by slayer
 • 29,370 points • 1,858 views
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