Recent questions tagged blockchain

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1 answer

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

Sep 18, 2018 in Blockchain by slayer
 • 29,370 points • 686 views
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1 answer

ERRO : Error trying to connect to local peer: grpc: timed out trying to connect

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 976 views
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1 answer

“make” build ‘EC_GF2m_simple_method’ was not declared in this scope error in centos7

Sep 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,218 views
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1 answer

Javascript: cant update assets in for-loop

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 631 views
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1 answer

Web3 1.0: What does `web3.eth.call(tx)` return for a contract creation?

Sep 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,220 views
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1 answer

Go build fail, fatal error: rocksdb/c.h

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 1,951 views
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1 answer

Solidity, javascript Wrong format: invalid address

Sep 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,288 views
0 votes
1 answer

Hyperledger fabric node sdk deploy.js example failing

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 771 views
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1 answer

Calling functions from other contracts solidity

Sep 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,520 views
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1 answer

How to create raw transaction using web3swift?

Sep 17, 2018 in Blockchain by digger
 • 26,740 points • 909 views
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2 answers

Trying to issue tokens on testnet with python API

Sep 17, 2018 in Blockchain by slayer
 • 29,370 points • 848 views
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1 answer

CompleteableFuture in a loop contruct in a private Ethereum Blockchain

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 618 views
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1 answer

Google API post request to IBM blockchain error

Sep 14, 2018 in Blockchain by slayer
 • 29,370 points • 595 views
0 votes
1 answer

How do you obtain the transaction uuid after submitting an invoke transaction using the nodejs HFC

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 998 views
0 votes
1 answer

SteemJS not working in Firefox/IE

Sep 14, 2018 in Blockchain by slayer
 • 29,370 points • 498 views
0 votes
2 answers

Does Ethereum Solidity support Associative Arrays?

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 1,106 views
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1 answer

Python Script to pull data from Blockchain JSON

Sep 14, 2018 in Blockchain by slayer
 • 29,370 points • 2,060 views
0 votes
1 answer

Access multiple return values (a, b, c) from solidity function in web3js

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 3,115 views
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1 answer

Blockchain Hyperledger private key not able to send coins

Sep 14, 2018 in Blockchain by slayer
 • 29,370 points • 586 views
0 votes
1 answer

Invalid opcode error in a simple Solidity contract and script

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 4,819 views
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2 answers

how to integrate coinbase api in php for transfer bitcoine

Sep 14, 2018 in Blockchain by slayer
 • 29,370 points • 3,136 views
0 votes
1 answer

How to get iota balance via api url?

Sep 12, 2018 in Blockchain by slayer
 • 29,370 points • 1,004 views
+11 votes
4 answers

How do I create an ether wallet?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 1,974 views
0 votes
1 answer

What's the difference between ethereum and chain?

Sep 12, 2018 in Blockchain by sabby
 • 4,370 points • 901 views
0 votes
2 answers

Check Bitcoin Balance with mybitx api https GET url

Sep 12, 2018 in Blockchain by digger
 • 26,740 points • 2,541 views
+1 vote
3 answers

Removing double quotes from a string from JSON response in PHP

Sep 12, 2018 in Blockchain by slayer
 • 29,370 points • 45,219 views
0 votes
1 answer

How to round a number down to 8 decimal places if its over 8 decimal places in Javascript

Sep 12, 2018 in Blockchain by digger
 • 26,740 points • 1,511 views
0 votes
1 answer

Converting 5e-08 to decimal in PHP

Sep 12, 2018 in Blockchain by slayer
 • 29,370 points • 3,265 views
0 votes
1 answer

How to use Coinbase send_money API?

Sep 12, 2018 in Blockchain by digger
 • 26,740 points • 1,872 views
0 votes
1 answer

jsonRPCClient Error with php variables

Sep 12, 2018 in Blockchain by slayer
 • 29,370 points • 793 views
0 votes
1 answer

How to connect to *coin RPC-Server with PHP

Sep 12, 2018 in Blockchain by digger
 • 26,740 points • 1,628 views
0 votes
1 answer

Litecoin/Bitcoin how divide uint256 target value on difficulty in C++

Sep 12, 2018 in Blockchain by slayer
 • 29,370 points • 982 views
0 votes
2 answers

How to read CGMiner output?

Sep 12, 2018 in Blockchain by digger
 • 26,740 points • 1,154 views
0 votes
1 answer

JSON valid numerical param in Perl

Sep 11, 2018 in Blockchain by slayer
 • 29,370 points • 631 views
0 votes
1 answer

PHP. Bitcoin to Ukrainian Hrivna price ticker

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 920 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 • 1,221 views
0 votes
1 answer

Not getting correct result after SHA256

Sep 11, 2018 in Blockchain by slayer
 • 29,370 points • 897 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 • 1,038 views
0 votes
1 answer

Serializing payment details in google protocol buffers

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 586 views
0 votes
1 answer

Smart contract limitations in Ethereum and Hyperledger Fabric

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 673 views
0 votes
1 answer

Basic pusher connection to cryptsy using javascript

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 535 views
0 votes
1 answer

coin.mx : 403 forbidden error on my web request

Sep 11, 2018 in Blockchain by slayer
 • 29,370 points • 1,016 views
0 votes
1 answer

Cant get a specific value in JSON/PHP

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 2,866 views
0 votes
1 answer

Using Bitcoin's sendmany function with perl

Sep 11, 2018 in Blockchain by slayer
 • 29,370 points • 1,419 views
+1 vote
1 answer

How do I use ZF2 I18n currencyformatter to format bitcoin?

Sep 10, 2018 in Blockchain by slayer
 • 29,370 points • 488 views
0 votes
2 answers

VBA code leads to #value! in cell but works in immediate box

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 1,204 views
0 votes
2 answers

Can't get simple Coinbase button in Node to work

Sep 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,492 views
0 votes
2 answers

Creating a private/public key with 64 characters that are already known using bitcoinjs

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 1,775 views
+1 vote
1 answer

Node.js API wrapper for altcoin exchange

Sep 10, 2018 in Blockchain by slayer
 • 29,370 points • 624 views
+1 vote
1 answer

Unable to convert variable to GMP when initializing Bitpay client class (Laravel)

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 1,092 views
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