Recent questions tagged blockchain

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1 answer

Account not listed in the Deploy Contract screen?

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 691 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 • 1,097 views
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1 answer

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

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,636 views
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1 answer

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

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 851 views
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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 • 854 views
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1 answer

where is ethereum contract instance state stored???

Jun 2, 2018 in Blockchain by Johnathon
 • 9,090 points • 722 views
0 votes
1 answer

Can smart contract have token balance?

May 31, 2018 in Blockchain by Perry
 • 17,100 points • 1,530 views
0 votes
1 answer

Is IPFS, blockchain a decentralized file system?

May 31, 2018 in Blockchain by Perry
 • 17,100 points • 1,088 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 • 907 views
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3 answers

How to create a cryptocurrency based reward system using Ethereum?

May 30, 2018 in Blockchain by Christine
 • 15,790 points • 1,935 views
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1 answer

How do I develop a supply chain DApp on Blockchain?

May 30, 2018 in Blockchain by Christine
 • 15,790 points • 1,619 views
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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 • 3,748 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 • 924 views
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1 answer

Geth account password on command line

May 29, 2018 in Blockchain by nsv999
 • 5,500 points • 2,382 views
0 votes
1 answer

How can I synchronize smart contract on blockchain?

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,204 views
0 votes
1 answer

How can I integrate ethereum wallet on my site??

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 3,400 views
0 votes
1 answer

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

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

Can we say that Applications on hyperledger fabric are centralized?

May 29, 2018 in Blockchain by anonymous
 • 692 views
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1 answer

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

May 28, 2018 in Blockchain by Christine
 • 15,790 points • 2,197 views
0 votes
1 answer

Curl Script Usage in Ethereum Blockcypher's API

May 28, 2018 in Blockchain by nsv999
 • 5,500 points • 1,589 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 • 1,241 views
0 votes
1 answer

how do we register our assets in hyperledger?

May 26, 2018 in Blockchain by Shashank
 • 10,400 points • 1,150 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 • 3,368 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 • 2,072 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 • 799 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 • 1,065 views
0 votes
1 answer

How Bitcoin wallet find unspent transaction output(UTXOs)?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,396 views
0 votes
1 answer

Can someone pls explain the hyperledger consensus?

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 776 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 • 744 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 • 1,556 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 • 888 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 • 1,193 views
0 votes
2 answers

How to set permissions within a blockchain?

May 15, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,218 views
+1 vote
1 answer

How do I develop enterprise solutions using hyperledger composer?

May 15, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,068 views
0 votes
1 answer

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

May 12, 2018 in Blockchain by anonymous
 • 2,626 views
0 votes
1 answer

How a transaction validity is verified in blockchain?

May 11, 2018 in Blockchain by Shashank
 • 10,400 points • 852 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
 • 1,859 views
0 votes
1 answer

How is storage space handled in hyperledger peer?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 1,416 views
0 votes
1 answer

How do I submit multiple transaction in a block?

May 10, 2018 in Blockchain by Shashank
 • 10,400 points • 1,610 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 • 900 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 • 801 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 • 1,086 views
+1 vote
2 answers

How can a public proof of work be secured?

May 9, 2018 in Blockchain by Shashank
 • 10,400 points • 972 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 • 712 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 • 924 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 • 585 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 • 5,548 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 • 1,457 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 • 784 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 • 990 views
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