Recent questions tagged blockchain

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How can I connect to the specified nodes using IPFS?

Apr 25, 2018 in Blockchain by Shashank
 • 10,400 points • 1,819 views
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What'd be the best database to store data on blockchain?

Apr 25, 2018 in Blockchain by Shashank
 • 10,400 points • 1,297 views
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How to store state data in Ethereum blockchain?

Apr 25, 2018 in Blockchain by Johnathon
 • 9,090 points • 739 views
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what is use of msg.sender in solidity code?

Apr 25, 2018 in Blockchain by Johnathon
 • 9,090 points • 8,549 views
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Why is network already up to date while trying to deploy a contract on truffle?

Apr 24, 2018 in Blockchain by anonymous
 • 4,161 views
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Can I mine a specific transaction on ethereum?

Apr 24, 2018 in Blockchain by anonymous
 • 1,265 views
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What is the best way to search for an item in blockchain?

Apr 21, 2018 in Blockchain by anonymous
 • 1,516 views
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Is it that new bitcoins gets created with the every block mined??

Apr 21, 2018 in Blockchain by anonymous
 • 580 views
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What happens if the controller nodes in Corda shuts down, will other nodes function independently?

Apr 20, 2018 in Blockchain by anonymous
 • 617 views
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How pbft is being used in blockchain?

Apr 20, 2018 in Blockchain by anonymous
 • 593 views
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Where to store the data of decentralized applications??

Apr 20, 2018 in Blockchain by anonymous
 • 521 views
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How immutability is achieved in hyperledger fabric?

Apr 20, 2018 in Blockchain by anonymous
 • 1,350 views
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How can I achieve a functionality where an action is performed after a payment is received?

Apr 20, 2018 in Blockchain by anonymous
 • 482 views
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Which data structure to prefer to model a blockchain?

Apr 20, 2018 in Blockchain by anonymous
 • 2,564 views
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What is a blockchain and ethereum?

Apr 20, 2018 in Blockchain by anonymous
 • 603 views
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Is it possible to store blockchain in a sql or no-sql database?

Apr 20, 2018 in Blockchain by anonymous
 • 819 views
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In a Blockchain, how difficult is it to modify the third to last block?

Apr 20, 2018 in Blockchain by Perry
 • 17,100 points • 839 views
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1 answer

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

Apr 20, 2018 in Blockchain by Perry
 • 17,100 points • 1,746 views
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How do I query Blockchain bitcoin locally?

Apr 19, 2018 in Blockchain by nsv999
 • 5,500 points • 1,370 views
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1 answer

What do we mean by a validating peer?

Apr 19, 2018 in Blockchain by nsv999
 • 5,500 points • 907 views
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How does a blockchain work in hyperledger framework?

Apr 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 785 views
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Transaction cost variations in one contract vs. multiple contracts

Apr 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 618 views
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How can I write complex decentralized applications on Etheruem?

Apr 18, 2018 in Blockchain by Johnathon
 • 9,090 points • 486 views
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1 answer

How secure is to implement blockchain at a smaller scale??

Apr 18, 2018 in Blockchain by Johnathon
 • 9,090 points • 513 views
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1 answer

How can I modify stored data in blockchain??

Apr 18, 2018 in Blockchain by anonymous
 • 5,749 views
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Is it possible to setup private ethereum network for creating applications??

Apr 18, 2018 in Blockchain by anonymous
 • 568 views
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1 answer

Distinguish between private blockchains and hashgraph, ripple

Apr 18, 2018 in Blockchain by anonymous
 • 354 views
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How PBFT algorithm works?

Apr 18, 2018 in Blockchain by anonymous
 • 7,644 views
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How is it possible to achieve privacy and confidentiality in smart contracts??

Apr 18, 2018 in Blockchain by anonymous
 • 718 views
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What are the differences between blockchain programming and our traditional programming languages?

Apr 18, 2018 in Blockchain by anonymous
 • 1,061 views
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How can I initiate a transaction on ethereum private network using mobile device?

Apr 18, 2018 in Blockchain by anonymous
 • 712 views
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What is the difference between if() and require() statement in solidity??

Apr 18, 2018 in Blockchain by anonymous
 • 4,803 views
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Where does hyperledger stores stores assets and participants??

Apr 18, 2018 in Blockchain by anonymous
 • 607 views
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How to setup testnet environment in Ethereum??

Apr 18, 2018 in Blockchain by anonymous
 • 605 views
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How can I connect my main Ethereum network to Web3.py using python?

Apr 17, 2018 in Blockchain by nsv999
 • 5,500 points • 1,181 views
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1 answer

Hyperledger - How can I use transaction certificates to enforce privacy?

Apr 17, 2018 in Blockchain by nsv999
 • 5,500 points • 679 views
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1 answer

How is data retrieved in Ethereum?

Apr 16, 2018 in Blockchain by Perry
 • 17,100 points • 720 views
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3 answers

How efficient is Ethereum in regard to its TPS??

Apr 16, 2018 in Blockchain by Perry
 • 17,100 points • 3,103 views
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1 answer

In public blockchains each computer normal user maintain the ledger, is it scalable enough to do so?

Apr 12, 2018 in Blockchain by Shashank
 • 10,400 points • 467 views
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4 answers

What role does Orderer peer serves in Hyperledger Fabric??

Apr 12, 2018 in Blockchain by Shashank
 • 10,400 points • 2,718 views
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Why is it so difficult to find a nonce while validating a block in Bitcoin?

Apr 11, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,894 views
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What are the key functional differences between Hyperledger Composer and Fabric Javascript SDK?

Apr 11, 2018 in Blockchain by nsv999
 • 5,500 points • 1,369 views
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How do i generate corda nodes keystores in dev mode?

Apr 11, 2018 in Blockchain by nsv999
 • 5,500 points • 1,359 views
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3 answers

Can multi-channels be supported by Hyperledger in one peer?

Apr 11, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,517 views
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Can I include real world data in a smart contract? If so, how?

Apr 10, 2018 in Blockchain by Johnathon
 • 9,090 points • 900 views
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4 answers

How can we search a block using transaction Id(TxID) or hash?

Apr 10, 2018 in Blockchain by Christine
 • 15,790 points • 3,785 views
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1 answer

How Blockchain work in a mobile app?

Apr 10, 2018 in Blockchain by Christine
 • 15,790 points • 413 views
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1 answer

How to decide on a nonce while developing a blockchain?

Apr 10, 2018 in Blockchain by anonymous
 • 973 views
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How do i change the names of validating peers in IBM Bluemix blockchain?

Apr 10, 2018 in Blockchain by nsv999
 • 5,500 points • 751 views
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4 answers

How to estimate the cost for deploying smart contract on mainnet?

Apr 9, 2018 in Blockchain by anonymous
 • 14,770 views
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