Trending questions in Blockchain

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“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 • 2,138 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 • 1,079 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 • 1,089 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 • 1,347 views
0 votes
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 • 1,220 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 • 948 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 • 1,372 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 • 1,238 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 • 2,574 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 • 2,260 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 • 1,237 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 • 1,589 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 • 1,284 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 • 2,077 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 • 1,079 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 • 1,644 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 • 1,696 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 • 1,971 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 • 2,314 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 • 2,860 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 • 2,856 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 • 1,177 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 • 1,727 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 • 2,690 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 • 1,166 views
0 votes
1 answer

Cant understand cpp snippet

From the function: ...READ MORE

Aug 27, 2018 in Blockchain by slayer
 • 29,370 points • 876 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 • 1,173 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 • 1,128 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 • 2,026 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 • 1,390 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 • 1,563 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 • 1,254 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 • 1,038 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 • 1,858 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 • 1,259 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 • 1,011 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 • 1,130 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 • 1,238 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 • 1,505 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 • 1,318 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 • 1,477 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 • 2,738 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 • 1,031 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 • 2,126 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 • 1,454 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 • 2,346 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 • 1,871 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 • 1,585 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 • 1,392 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 • 1,842 views
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