Recent questions tagged blockchain

0 votes
1 answer

How to store picture(s) in a hyperledger blockchain channel

Jun 16, 2018 in Blockchain by aryya
 • 7,460 points • 1,423 views
0 votes
1 answer

Deploy API REST IBM Hyperledger Composer Blockchain (bad flag in substitute command: 'U' ERROR)

Jun 16, 2018 in Blockchain by aryya
 • 7,460 points • 741 views
0 votes
1 answer

I get the following error when I try to submit a transaction on the hyperleger playground

Jun 16, 2018 in Blockchain by aryya
 • 7,460 points • 886 views
+6 votes
3 answers

Why don't we consider Git as a Blockchain?

Jun 13, 2018 in Blockchain by nsv999
 • 5,500 points • 3,556 views
+1 vote
2 answers

How to return value from a chaincode in Hyperledger Fabric?

Jun 13, 2018 in Blockchain by nsv999
 • 5,500 points • 3,127 views
0 votes
1 answer

Does each DApp has its own separate Blockchain? Or can we develop multiple DApps on a single Blockchain platform?

Jun 11, 2018 in Blockchain by Perry
 • 17,100 points • 1,415 views
0 votes
1 answer

How to connect two instances of Hyperledger Fabric?

Jun 11, 2018 in Blockchain by Perry
 • 17,100 points • 1,220 views
+1 vote
1 answer

How can I add image into my Hyperledger instance

Jun 8, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,161 views
0 votes
2 answers

How to get notified when an event triggers on ethereum smart contract?

Jun 8, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,466 views
0 votes
1 answer

Unknown MSP DEFAULT error query chaincode

Jun 8, 2018 in Blockchain by Perry
 • 17,100 points • 861 views
0 votes
1 answer

How to get current block number in parity?

Jun 8, 2018 in Blockchain by Perry
 • 17,100 points • 1,433 views
0 votes
1 answer

PROTOBUF_INLINE_NOT_IN_HEADERS

Jun 7, 2018 in Blockchain by nsv999
 • 5,500 points • 1,285 views
0 votes
1 answer

Understanding Hyperledger transaction verification

Jun 7, 2018 in Blockchain by nsv999
 • 5,500 points • 1,148 views
+1 vote
1 answer

Car lease demo database location in IBM blockchain

Jun 7, 2018 in Blockchain by anonymous
 • 1,494 views
0 votes
1 answer

Why am I getting a grp timeout while setting up a Hyperledger development?

Jun 7, 2018 in Blockchain by nsv999
 • 5,500 points • 800 views
0 votes
1 answer

What is the use of Ethereum's RLPx in Ethereum ecosystem?

Jun 5, 2018 in Blockchain by Perry
 • 17,100 points • 2,284 views
0 votes
1 answer

Issue deploying the business network using hyperledger composer

Jun 5, 2018 in Blockchain by Perry
 • 17,100 points • 1,040 views
0 votes
1 answer

What happen to the mining fee for the blocks that are stale?

Jun 4, 2018 in Blockchain by Christine
 • 15,790 points • 753 views
0 votes
1 answer

How can I modify hyperledger's blockchain endorsement policy?

Jun 4, 2018 in Blockchain by Christine
 • 15,790 points • 1,211 views
0 votes
1 answer

Account not listed in the Deploy Contract screen?

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 643 views
0 votes
1 answer

Can I swap an ERC-20 token with a Neo NEP5 token using a smart contract?

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,038 views
0 votes
1 answer

How to get the already existing channels in Hyperledger v1.0?

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,584 views
0 votes
1 answer

How is a request sent from an app to a smart contract?

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 794 views
0 votes
1 answer

What could be the best term to use for the collection of contracts in a .sol file?

Jun 2, 2018 in Blockchain by Johnathon
 • 9,090 points • 807 views
0 votes
1 answer

where is ethereum contract instance state stored???

Jun 2, 2018 in Blockchain by Johnathon
 • 9,090 points • 681 views
0 votes
1 answer

Can smart contract have token balance?

May 31, 2018 in Blockchain by Perry
 • 17,100 points • 1,486 views
0 votes
1 answer

Is IPFS, blockchain a decentralized file system?

May 31, 2018 in Blockchain by Perry
 • 17,100 points • 1,042 views
0 votes
1 answer

Can I secretly add numbers in a smart contract and only add sum?

May 30, 2018 in Blockchain by Christine
 • 15,790 points • 861 views
0 votes
3 answers

How to create a cryptocurrency based reward system using Ethereum?

May 30, 2018 in Blockchain by Christine
 • 15,790 points • 1,864 views
0 votes
1 answer

How do I develop a supply chain DApp on Blockchain?

May 30, 2018 in Blockchain by Christine
 • 15,790 points • 1,571 views
0 votes
1 answer

How do I send back ethers to the sender of the tokens in a smart contract?

May 30, 2018 in Blockchain by Christine
 • 15,790 points • 3,697 views
0 votes
1 answer

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

May 29, 2018 in Blockchain by nsv999
 • 5,500 points • 868 views
0 votes
1 answer

Geth account password on command line

May 29, 2018 in Blockchain by nsv999
 • 5,500 points • 2,330 views
0 votes
1 answer

How can I synchronize smart contract on blockchain?

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,158 views
0 votes
1 answer

How can I integrate ethereum wallet on my site??

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 3,355 views
0 votes
1 answer

How can I simulate private bitcoin network with random peer discovery?

May 29, 2018 in Blockchain by Mandy
 • 766 views
0 votes
1 answer

Can we say that Applications on hyperledger fabric are centralized?

May 29, 2018 in Blockchain by anonymous
 • 645 views
0 votes
1 answer

How to read a state after writing it into a chaincode?

May 28, 2018 in Blockchain by Christine
 • 15,790 points • 2,126 views
0 votes
1 answer

Curl Script Usage in Ethereum Blockcypher's API

May 28, 2018 in Blockchain by nsv999
 • 5,500 points • 1,517 views
0 votes
1 answer

How is the ledger kept consistent among differnt peers in blockchain?

May 26, 2018 in Blockchain by Shashank
 • 10,400 points • 1,192 views
0 votes
1 answer

how do we register our assets in hyperledger?

May 26, 2018 in Blockchain by Shashank
 • 10,400 points • 1,104 views
+1 vote
4 answers

What is the asset, key-value pair in hyperledger fabric?

May 24, 2018 in Blockchain by Shashank
 • 10,400 points • 3,297 views
0 votes
1 answer

How can I communicate with peer to peer in a hyperledger fabric local network?

May 24, 2018 in Blockchain by Shashank
 • 10,400 points • 2,014 views
0 votes
1 answer

Can there be different smart contract with same logic or a master contract with all configuration?

May 23, 2018 in Blockchain by Shashank
 • 10,400 points • 741 views
0 votes
1 answer

Why do we use virtual machine for running smart contracts.

May 23, 2018 in Blockchain by Shashank
 • 10,400 points • 1,027 views
0 votes
1 answer

How Bitcoin wallet find unspent transaction output(UTXOs)?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,352 views
0 votes
1 answer

Can someone pls explain the hyperledger consensus?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 731 views
0 votes
1 answer

Does the contract hosting account owns ether that is being sent to contract too??

May 22, 2018 in Blockchain by Shashank
 • 10,400 points • 698 views
0 votes
1 answer

What happens to the blockchain currency when nodes gets disconnected?

May 22, 2018 in Blockchain by Shashank
 • 10,400 points • 1,508 views
0 votes
1 answer

How can I sync geth and testrpc private nodes locally?

May 17, 2018 in Blockchain by Shashank
 • 10,400 points • 838 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.