Recent questions tagged blockchain

0 votes
1 answer

Is IPFS, blockchain a decentralized file system?

May 31, 2018 in Blockchain by Perry
 • 17,100 points • 778 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 • 609 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 • 1,465 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 • 1,306 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 • 3,381 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 • 609 views
0 votes
1 answer

Geth account password on command line

May 29, 2018 in Blockchain by nsv999
 • 5,500 points • 2,057 views
0 votes
1 answer

How can I synchronize smart contract on blockchain?

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 942 views
0 votes
1 answer

How can I integrate ethereum wallet on my site??

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 3,148 views
0 votes
1 answer

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

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

Can we say that Applications on hyperledger fabric are centralized?

May 29, 2018 in Blockchain by anonymous
 • 465 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 • 1,838 views
0 votes
1 answer

Curl Script Usage in Ethereum Blockcypher's API

May 28, 2018 in Blockchain by nsv999
 • 5,500 points • 1,190 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 • 893 views
0 votes
1 answer

how do we register our assets in hyperledger?

May 26, 2018 in Blockchain by Shashank
 • 10,400 points • 903 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 • 2,932 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 • 1,744 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 • 502 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 • 725 views
0 votes
1 answer

How Bitcoin wallet find unspent transaction output(UTXOs)?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,082 views
0 votes
1 answer

Can someone pls explain the hyperledger consensus?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 411 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 • 452 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 • 1,216 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 • 538 views
0 votes
1 answer

How do I use hyperledger fabric blockchain to build my own application?

May 17, 2018 in Blockchain by Shashank
 • 10,400 points • 920 views
0 votes
2 answers

How to set permissions within a blockchain?

May 15, 2018 in Blockchain by Johnathon
 • 9,090 points • 883 views
+1 vote
1 answer

How do I develop enterprise solutions using hyperledger composer?

May 15, 2018 in Blockchain by Johnathon
 • 9,090 points • 456 views
0 votes
1 answer

Why am I not getting 100 ethers in my metamask account?

May 12, 2018 in Blockchain by anonymous
 • 2,273 views
0 votes
1 answer

How a transaction validity is verified in blockchain?

May 11, 2018 in Blockchain by Shashank
 • 10,400 points • 524 views
0 votes
2 answers

Can a blockchain be used to verify or store a document on the blockchain?

May 11, 2018 in Blockchain by anonymous
 • 1,368 views
0 votes
1 answer

How is storage space handled in hyperledger peer?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 1,082 views
0 votes
1 answer

How do I submit multiple transaction in a block?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 1,288 views
0 votes
1 answer

Can a blockchain be used to verify or store a document on the blockchain?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 656 views
0 votes
1 answer

Do I need to create a new validating peer once a new user join my network.?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 513 views
+1 vote
2 answers

What if a bitcoin clients could create identical private keys?

May 9, 2018 in Blockchain by Shashank
 • 10,400 points • 640 views
+1 vote
2 answers

How can a public proof of work be secured?

May 9, 2018 in Blockchain by Shashank
 • 10,400 points • 594 views
0 votes
1 answer

How feasible is it to use one way cryptographic hash function?

May 8, 2018 in Blockchain by Shashank
 • 10,400 points • 424 views
0 votes
1 answer

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

May 8, 2018 in Blockchain by Shashank
 • 10,400 points • 619 views
0 votes
1 answer

What technologies can be used to build private blockchain technologies?

May 5, 2018 in Blockchain by Shashank
 • 10,400 points • 359 views
+2 votes
2 answers

How can I traverse the blocks of transactions in hyperledger fabric?

May 5, 2018 in Blockchain by Shashank
 • 10,400 points • 5,092 views
+1 vote
1 answer

How is ordering of transactions done in a block in hyperledger?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,043 views
0 votes
1 answer

Why is it downloading the blocks when I am trying to deploy the ethereum private network?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 450 views
+1 vote
2 answers

How can I use blockhain for storing a proof of a document such as an image?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 662 views
+1 vote
1 answer

What are peers and how a user enrolls into a specific peer?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,756 views
+1 vote
5 answers

Where does the smart contracts stored and executed on blockchain?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 8,854 views
0 votes
1 answer

How can we decrypt a transaction payload when confidentiality is on?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 630 views
+1 vote
1 answer

How can nodes interact with a Smart Contract?

Apr 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 593 views
0 votes
1 answer

How can I deploy a HelloWorld contract on my testrpc network?

Apr 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,487 views
+1 vote
1 answer

Error while deploying chaincode in IBM Blockchain. Please help.

Apr 26, 2018 in Blockchain by nsv999
 • 5,500 points • 657 views
+1 vote
1 answer

What happened on deploy, invoke and query in Hyperledger chaincode?

Apr 26, 2018 in Blockchain by nsv999
 • 5,500 points • 1,240 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.