Recent questions tagged ethereum

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1 answer

Poloniex C# API - get trades

Sep 25, 2018 in Blockchain by slayer
 • 29,350 points • 1,176 views
0 votes
1 answer

How to set token price in solidity?

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 8,260 views
0 votes
1 answer

Ethereum call contract method that emits an event, from another contract

Sep 25, 2018 in Blockchain by slayer
 • 29,350 points • 1,857 views
0 votes
1 answer

eth.getTransactionReceipt returns null

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 1,901 views
0 votes
1 answer

Call contract methods with web3 from newly created account

Sep 25, 2018 in Blockchain by slayer
 • 29,350 points • 6,088 views
0 votes
1 answer

Not able send ether to my smart contract's address

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 1,323 views
0 votes
1 answer

Why Gas Used By Txn is different when invoking the same function in the same smart contract？

Sep 25, 2018 in Blockchain by sabby
 • 4,390 points • 725 views
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1 answer

How to detect if an ethereum address is an ERC20 token contract?

Sep 25, 2018 in Blockchain by sabby
 • 4,390 points • 7,102 views
0 votes
1 answer

Getting the length of public array variable (getter)

Sep 24, 2018 in Blockchain by slayer
 • 29,350 points • 1,190 views
0 votes
4 answers

Unable to run truffle@2.1.2 migrate --network live. “Exceeds block gas limit”

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 1,346 views
0 votes
1 answer

ethminer failed to submit hashrate

Sep 24, 2018 in Blockchain by slayer
 • 29,350 points • 803 views
0 votes
1 answer

How to manually create the instance of the contract in truffle?

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 2,461 views
0 votes
1 answer

Repeating transactions hangs - web3js, local geth

Sep 24, 2018 in Blockchain by slayer
 • 29,350 points • 866 views
0 votes
2 answers

Is it possible to modify a variable value from another contract?

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 3,989 views
0 votes
3 answers

UnhandledPromiseRejectionWarning: Error: The contract code couldn't be stored, please check your gas limit

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 1,366 views
0 votes
2 answers

Truffle migrate Error after run testrpc

Sep 24, 2018 in Blockchain by slayer
 • 29,350 points • 602 views
0 votes
1 answer

Not able to send Ethereum transaction

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 496 views
0 votes
1 answer

Can't send transaction even if I use an example from official Ethereum webpage

Sep 21, 2018 in Blockchain by digger
 • 26,740 points • 968 views
0 votes
1 answer

Test ethereum Event Logs with truffle

Sep 21, 2018 in Blockchain by digger
 • 26,740 points • 1,828 views
+1 vote
1 answer

Ethereum vs Hyperledger: Which is better for business networks?

Sep 20, 2018 in Blockchain by slayer
 • 29,350 points • 518 views
0 votes
1 answer

How to connect to already running go ethereum client using mist Ubuntu

Sep 18, 2018 in Blockchain by slayer
 • 29,350 points • 541 views
0 votes
1 answer

Cannot download fabric-sdk-go.

Sep 18, 2018 in Blockchain by slayer
 • 29,350 points • 409 views
0 votes
1 answer

How to get results by running the voting code on Ethereum?

Sep 18, 2018 in Blockchain by slayer
 • 29,350 points • 449 views
0 votes
1 answer

CompleteableFuture in a loop contruct in a private Ethereum Blockchain

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 533 views
+11 votes
4 answers

How do I create an ether wallet?

Sep 12, 2018 in Blockchain by sabby
 • 4,390 points • 1,473 views
0 votes
1 answer

What's the difference between ethereum and chain?

Sep 12, 2018 in Blockchain by sabby
 • 4,390 points • 626 views
0 votes
1 answer

'Invalid sender' error after upgrading to geth 1.4.0

Sep 11, 2018 in Blockchain by sabby
 • 4,390 points • 1,042 views
0 votes
1 answer

How to use ethereum contract's state changing method in javascript?

Sep 11, 2018 in Blockchain by sabby
 • 4,390 points • 779 views
0 votes
1 answer

Truffle tests not running after truffle init

Sep 11, 2018 in Blockchain by sabby
 • 4,390 points • 1,697 views
0 votes
1 answer

Smart contract limitations in Ethereum and Hyperledger Fabric

Sep 11, 2018 in Blockchain by sabby
 • 4,390 points • 485 views
0 votes
1 answer

Ubuntu "get attach" command failed

Sep 7, 2018 in Blockchain by slayer
 • 29,350 points • 588 views
0 votes
1 answer

How to create a version control for a simple array using blockchain?

Aug 31, 2018 in Blockchain by sabby
 • 4,390 points • 592 views
0 votes
1 answer

Can I fork an existing blockchain?

Aug 31, 2018 in Blockchain by sabby
 • 4,390 points • 412 views
0 votes
1 answer

Intrinsic gas too low and exceeds block limit

Aug 29, 2018 in Blockchain by slayer
 • 29,350 points • 2,603 views
0 votes
1 answer

Unable to unmarshal non-string into Go struct field SendTxArgs from of common.Address

Aug 28, 2018 in Blockchain by aryya
 • 7,450 points • 1,914 views
0 votes
1 answer

"Blocking waiting for a file lock on the registry index" after building parity from source

Aug 28, 2018 in Blockchain by aryya
 • 7,450 points • 824 views
0 votes
1 answer

Web3 ethereum miner_start not implemented.

Aug 24, 2018 in Blockchain by slayer
 • 29,350 points • 1,447 views
0 votes
1 answer

How to interact with a Smart Contract on private network using Web3.js?

Aug 22, 2018 in Blockchain by sabby
 • 4,390 points • 1,903 views
0 votes
2 answers

How do I interact with a smart contract on a private network through web3.js

Aug 17, 2018 in Blockchain by sabby
 • 4,390 points • 3,677 views
+1 vote
1 answer

Is it possible to exchange the token for other tokens we create in an Ethereum Smart Contract?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 656 views
0 votes
1 answer

Truffle Error: Migrations contract constructor expected

Aug 10, 2018 in Blockchain by slayer
 • 29,350 points • 1,360 views
0 votes
2 answers

Truffle migrate gives “ Error: No network specified. ”

Aug 9, 2018 in Blockchain by slayer
 • 29,350 points • 1,438 views
0 votes
1 answer

Ethereum wallet not able to make transaction

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 474 views
0 votes
1 answer

How do I get updates in every blockchain append?

Aug 9, 2018 in Blockchain by Shashank
 • 10,400 points • 473 views
0 votes
1 answer

How to solve “Package 'ethereum' has no installation candidate” error?

Aug 8, 2018 in Blockchain by digger
 • 26,740 points • 1,209 views
0 votes
1 answer

Truffle tutorials "Error:recipient address is not a contract address"

Aug 8, 2018 in Blockchain by digger
 • 26,740 points • 878 views
0 votes
1 answer

How can I create a feeless ERC-20 token?

Aug 7, 2018 in Blockchain by Shashank
 • 10,400 points • 511 views
+1 vote
1 answer

Can one pay ICO's token to an ICO consultant?

Aug 6, 2018 in Blockchain by sabby
 • 4,390 points • 590 views
+1 vote
1 answer

Protocols used in a distributed/dlt system for the nodes to establish communication

Aug 6, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,145 views
0 votes
1 answer

How do I withdraw the balance from a contract on Ethereum test blockchain?

Aug 3, 2018 in Blockchain by sabby
 • 4,390 points • 2,453 views
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