Recent questions tagged ethereum

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1 answer

How to use real world/live data in my smart contract?

Jul 12, 2018 in Blockchain by slayer
 • 29,350 points • 902 views
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1 answer

'ppa:ethereum' error while installing ethereum on ubuntu

Jul 12, 2018 in Blockchain by digger
 • 26,740 points • 2,656 views
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1 answer

Include real world data in smart contract

Jul 11, 2018 in Blockchain by aryya
 • 7,450 points • 791 views
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1 answer

How do I ensure that the token name is not redundant?

Jul 11, 2018 in Blockchain by aryya
 • 7,450 points • 309 views
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Where are the transaction details of a smart contract is written in Ethereum?

Jul 11, 2018 in Blockchain by aryya
 • 7,450 points • 621 views
0 votes
1 answer

How to connect javascript to solidity/ethereum?

Jul 11, 2018 in Blockchain by slayer
 • 29,350 points • 1,157 views
0 votes
1 answer

How to monitor Ethereum private network?

Jul 11, 2018 in Blockchain by digger
 • 26,740 points • 1,339 views
0 votes
1 answer

How to transact custom token instead of ethers using JSON rpc?

Jul 10, 2018 in Blockchain by slayer
 • 29,350 points • 878 views
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1 answer

How to set web3 solidity variable value?

Jul 6, 2018 in Blockchain by sabby
 • 4,390 points • 1,878 views
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Identification of purchased product

Jul 6, 2018 in Blockchain by charlie_brown
 • 7,720 points • 268 views
0 votes
1 answer

Passing hash string with smart contracts

Jul 5, 2018 in Blockchain by digger
 • 26,740 points • 1,151 views
0 votes
1 answer

Geth 'sendTransaction' not working

Jul 3, 2018 in Blockchain by slayer
 • 29,350 points • 1,193 views
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1 answer

How to change "gasLimit" on Azure private blockchain?

Jul 3, 2018 in Blockchain by slayer
 • 29,350 points • 636 views
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1 answer

How to hold back KYC reward until the end of the ICO Crowdsale?

Jul 3, 2018 in Blockchain by sabby
 • 4,390 points • 510 views
+1 vote
1 answer

How to write an ERC 721 contract?

Jun 28, 2018 in Blockchain by sabby
 • 4,390 points • 2,829 views
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1 answer

How can I create a blockchain for keeping records?

Jun 27, 2018 in Blockchain by sabby
 • 4,390 points • 763 views
0 votes
1 answer

Ethereum Token Nam Redundancy

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 354 views
0 votes
1 answer

What path should I give for credentials in web3j?

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 703 views
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1 answer

How to retrieve data from a block to a blockchain?

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 3,736 views
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1 answer

How to create tokens in smart contracts from node.js?

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,416 views
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1 answer

Changing block time on Quorum.

Jun 27, 2018 in Blockchain by slayer
 • 29,350 points • 983 views
+2 votes
1 answer

What are the wallet path credentials for Web3j?

Jun 26, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,514 views
0 votes
1 answer

How to make my Dapp work on regular browsers?

Jun 20, 2018 in Blockchain by Perry
 • 17,100 points • 481 views
0 votes
1 answer

jQuery/ajax - two separate API requests with combined results

Jun 19, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,628 views
0 votes
1 answer

Çannot implement web3.eth.subscribe on Web3 version 1.0.0-beta.27

Jun 19, 2018 in Blockchain by nsv999
 • 5,500 points • 1,741 views
0 votes
1 answer

Web3j Transfer.sendFunds() returns Error “insufficient funds for gas * price + value”

Jun 16, 2018 in Blockchain by aryya
 • 7,450 points • 2,754 views
0 votes
1 answer

I need all Ethereum smart contracts

Jun 16, 2018 in Blockchain by aryya
 • 7,450 points • 384 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 • 1,163 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 • 2,168 views
0 votes
1 answer

How to get current block number in parity?

Jun 8, 2018 in Blockchain by Perry
 • 17,100 points • 1,222 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 • 1,862 views
0 votes
1 answer

Account not listed in the Deploy Contract screen?

Jun 4, 2018 in Blockchain by Johnathon
 • 9,090 points • 364 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 • 712 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 • 562 views
0 votes
1 answer

where is ethereum contract instance state stored???

Jun 2, 2018 in Blockchain by Johnathon
 • 9,090 points • 389 views
0 votes
1 answer

Can smart contract have token balance?

May 31, 2018 in Blockchain by Perry
 • 17,100 points • 1,283 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 • 600 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 • 1,444 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 • 1,294 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 • 3,365 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 • 597 views
0 votes
1 answer

Geth account password on command line

May 29, 2018 in Blockchain by nsv999
 • 5,500 points • 2,038 views
0 votes
1 answer

How can I synchronize smart contract on blockchain?

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 930 views
0 votes
1 answer

How can I integrate ethereum wallet on my site??

May 29, 2018 in Blockchain by Johnathon
 • 9,090 points • 3,138 views
0 votes
1 answer

Curl Script Usage in Ethereum Blockcypher's API

May 28, 2018 in Blockchain by nsv999
 • 5,500 points • 1,174 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 • 714 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 • 446 views
0 votes
1 answer

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

May 12, 2018 in Blockchain by anonymous
 • 2,266 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 • 442 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 • 8,825 views
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