Recent questions tagged blockchain

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1 answer

Why do we use virtual machine for running smart contracts.

May 23, 2018 in Blockchain by Shashank
 • 10,400 points • 997 views
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1 answer

How Bitcoin wallet find unspent transaction output(UTXOs)?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,319 views
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1 answer

Can someone pls explain the hyperledger consensus?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 694 views
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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 • 664 views
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What happens to the blockchain currency when nodes gets disconnected?

May 22, 2018 in Blockchain by Shashank
 • 10,400 points • 1,473 views
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1 answer

How can I sync geth and testrpc private nodes locally?

May 17, 2018 in Blockchain by Shashank
 • 10,400 points • 803 views
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1 answer

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

May 17, 2018 in Blockchain by Shashank
 • 10,400 points • 1,106 views
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2 answers

How to set permissions within a blockchain?

May 15, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,140 views
+1 vote
1 answer

How do I develop enterprise solutions using hyperledger composer?

May 15, 2018 in Blockchain by Johnathon
 • 9,090 points • 936 views
0 votes
1 answer

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

May 12, 2018 in Blockchain by anonymous
 • 2,545 views
0 votes
1 answer

How a transaction validity is verified in blockchain?

May 11, 2018 in Blockchain by Shashank
 • 10,400 points • 769 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
 • 1,760 views
0 votes
1 answer

How is storage space handled in hyperledger peer?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 1,319 views
0 votes
1 answer

How do I submit multiple transaction in a block?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 1,519 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 • 825 views
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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 • 724 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 • 994 views
+1 vote
2 answers

How can a public proof of work be secured?

May 9, 2018 in Blockchain by Shashank
 • 10,400 points • 867 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 • 640 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 • 854 views
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1 answer

What technologies can be used to build private blockchain technologies?

May 5, 2018 in Blockchain by Shashank
 • 10,400 points • 527 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 • 5,427 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 • 1,373 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 • 714 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 • 916 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 • 2,020 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 • 9,453 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 • 871 views
+1 vote
1 answer

How can nodes interact with a Smart Contract?

Apr 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 845 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 • 2,947 views
+1 vote
1 answer

Error while deploying chaincode in IBM Blockchain. Please help.

Apr 26, 2018 in Blockchain by nsv999
 • 5,500 points • 962 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 • 1,577 views
+1 vote
1 answer

How can I connect to the specified nodes using IPFS?

Apr 25, 2018 in Blockchain by Shashank
 • 10,400 points • 2,041 views
+1 vote
1 answer

What'd be the best database to store data on blockchain?

Apr 25, 2018 in Blockchain by Shashank
 • 10,400 points • 1,583 views
+1 vote
1 answer

How to store state data in Ethereum blockchain?

Apr 25, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,051 views
+1 vote
1 answer

what is use of msg.sender in solidity code?

Apr 25, 2018 in Blockchain by Johnathon
 • 9,090 points • 9,256 views
0 votes
2 answers

Why is network already up to date while trying to deploy a contract on truffle?

Apr 24, 2018 in Blockchain by anonymous
 • 4,646 views
+1 vote
1 answer

Can I mine a specific transaction on ethereum?

Apr 24, 2018 in Blockchain by anonymous
 • 1,652 views
+1 vote
1 answer

What is the best way to search for an item in blockchain?

Apr 21, 2018 in Blockchain by anonymous
 • 1,983 views
0 votes
1 answer

Is it that new bitcoins gets created with the every block mined??

Apr 21, 2018 in Blockchain by anonymous
 • 877 views
0 votes
1 answer

What happens if the controller nodes in Corda shuts down, will other nodes function independently?

Apr 20, 2018 in Blockchain by anonymous
 • 864 views
0 votes
1 answer

How pbft is being used in blockchain?

Apr 20, 2018 in Blockchain by anonymous
 • 859 views
0 votes
1 answer

Where to store the data of decentralized applications??

Apr 20, 2018 in Blockchain by anonymous
 • 718 views
+1 vote
1 answer

How immutability is achieved in hyperledger fabric?

Apr 20, 2018 in Blockchain by anonymous
 • 1,682 views
+1 vote
1 answer

How can I achieve a functionality where an action is performed after a payment is received?

Apr 20, 2018 in Blockchain by anonymous
 • 746 views
+1 vote
1 answer

Which data structure to prefer to model a blockchain?

Apr 20, 2018 in Blockchain by anonymous
 • 2,799 views
+1 vote
2 answers

What is a blockchain and ethereum?

Apr 20, 2018 in Blockchain by anonymous
 • 944 views
+1 vote
1 answer

Is it possible to store blockchain in a sql or no-sql database?

Apr 20, 2018 in Blockchain by anonymous
 • 1,230 views
0 votes
1 answer

In a Blockchain, how difficult is it to modify the third to last block?

Apr 20, 2018 in Blockchain by Perry
 • 17,100 points • 1,060 views
0 votes
1 answer

How can i create a simple P2P network on a blockchain?

Apr 20, 2018 in Blockchain by Perry
 • 17,100 points • 2,102 views
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