Recent questions tagged ethereum

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1 answer

Can't install pyethereum module

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 1,036 views
0 votes
1 answer

How do I compile a piece of Solidity Code using eris' javascript?

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 882 views
0 votes
1 answer

Getting error during “truffle migrate” for an ethereum contract on testrpc

Sep 27, 2018 in Blockchain by digger
 • 26,740 points • 630 views
0 votes
1 answer

How do I send ether from an EOA to a smart contract?

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 1,605 views
+1 vote
1 answer

Deploy contract using solcjs

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,062 views
+1 vote
1 answer

Calling deployed smart contract from node.js

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 4,052 views
+1 vote
1 answer

Solidity: Sending ERC20 Tokens

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,573 views
0 votes
1 answer

Solidity: How can I return a list of user-defined function?

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 1,385 views
0 votes
1 answer

How can I get the same return value as solidity `abi.encodePacked` in Golang?

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 4,276 views
0 votes
1 answer

How connect library to smart contract from external resources?

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 617 views
0 votes
1 answer

Is it possible to send eth to a contract through its constructor from another contract?

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,739 views
0 votes
1 answer

Testrpc Error: listen EADDRINUSE :::8545 on Mac

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 969 views
0 votes
1 answer

Nethereum C# Unit Test GetTransactionCount

Sep 26, 2018 in Blockchain by digger
 • 26,740 points • 1,404 views
0 votes
1 answer

Error using EtherJS: this.provider.getTransactionCount is not a function

Sep 26, 2018 in Blockchain by slayer
 • 29,370 points • 2,582 views
0 votes
1 answer

Cannot access web3 object with typescript and ethereum

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 2,915 views
0 votes
1 answer

Poloniex C# API - get trades

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 1,511 views
0 votes
1 answer

How to set token price in solidity?

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 8,779 views
0 votes
1 answer

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

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 2,235 views
0 votes
1 answer

eth.getTransactionReceipt returns null

Sep 25, 2018 in Blockchain by digger
 • 26,740 points • 2,155 views
0 votes
1 answer

Call contract methods with web3 from newly created account

Sep 25, 2018 in Blockchain by slayer
 • 29,370 points • 6,312 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 • 1,608 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
 • 4,370 points • 1,024 views
0 votes
1 answer

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

Sep 25, 2018 in Blockchain by sabby
 • 4,370 points • 7,432 views
0 votes
1 answer

Getting the length of public array variable (getter)

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,448 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 • 1,784 views
0 votes
1 answer

ethminer failed to submit hashrate

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 891 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 • 2,784 views
0 votes
1 answer

Repeating transactions hangs - web3js, local geth

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,056 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 • 4,399 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 • 1,689 views
0 votes
2 answers

Truffle migrate Error after run testrpc

Sep 24, 2018 in Blockchain by slayer
 • 29,370 points • 846 views
0 votes
1 answer

Not able to send Ethereum transaction

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 727 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 • 1,222 views
0 votes
1 answer

Test ethereum Event Logs with truffle

Sep 21, 2018 in Blockchain by digger
 • 26,740 points • 1,977 views
+1 vote
1 answer

Ethereum vs Hyperledger: Which is better for business networks?

Sep 20, 2018 in Blockchain by slayer
 • 29,370 points • 647 views
0 votes
1 answer

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

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 725 views
0 votes
1 answer

Cannot download fabric-sdk-go.

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 700 views
0 votes
1 answer

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

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 705 views
0 votes
1 answer

Hyperledger fabric node sdk deploy.js example failing

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 785 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 • 632 views
+11 votes
4 answers

How do I create an ether wallet?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 2,008 views
0 votes
1 answer

What's the difference between ethereum and chain?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 937 views
0 votes
1 answer

'Invalid sender' error after upgrading to geth 1.4.0

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 1,233 views
0 votes
1 answer

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

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 1,090 views
0 votes
1 answer

Truffle tests not running after truffle init

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 1,954 views
0 votes
1 answer

Smart contract limitations in Ethereum and Hyperledger Fabric

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 700 views
0 votes
1 answer

Ubuntu "get attach" command failed

Sep 7, 2018 in Blockchain by slayer
 • 29,370 points • 826 views
0 votes
1 answer

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

Aug 31, 2018 in Blockchain by sabby
 • 4,370 points • 807 views
0 votes
1 answer

Can I fork an existing blockchain?

Aug 31, 2018 in Blockchain by sabby
 • 4,370 points • 644 views
0 votes
1 answer

Intrinsic gas too low and exceeds block limit

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 3,110 views
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