Trending questions in Blockchain

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1 answer

How can i extract information from Ethereum blockchain using python?

Give the RPC (--rpc) option when you ...READ MORE

Jul 31, 2018 in Blockchain by Shashank
 • 10,400 points • 2,478 views
0 votes
1 answer

How to connect a NS3 node to my local blockchain?

To connect all your nodes with all ...READ MORE

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 2,722 views
0 votes
1 answer

Bitstamp API signature in Ruby

Here is a code that works: require 'open-uri' require ...READ MORE

Aug 28, 2018 in Blockchain by slayer
 • 29,370 points • 1,245 views
0 votes
1 answer

Blockchain: send payments to faucetbox

well there it is its work but ...READ MORE

Sep 7, 2018 in Blockchain by Vicky
 • 810 views
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1 answer

First block of bitcoin block gives empty string

Most likely the first byte is not ...READ MORE

Sep 4, 2018 in Blockchain by slayer
 • 29,370 points • 938 views
0 votes
1 answer

Android Socket connection to bitcoin node

The checkSum field is mandatory and fellow ...READ MORE

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 1,185 views
0 votes
1 answer

Not receiving any data from the BitStamp API.

I saw a code online that was ...READ MORE

Aug 21, 2018 in Blockchain by digger
 • 26,740 points • 1,530 views
0 votes
1 answer

python-bittrex missing positional arguments

Looking at the source code from ericsomdahl/python-bittrex For the buy_limit function ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,370 points • 840 views
0 votes
1 answer

How to generate pem with openssl?

Here’s the working code: int generatePem(char **pem) { ...READ MORE

Aug 23, 2018 in Blockchain by digger
 • 26,740 points • 1,439 views
0 votes
1 answer

(0.7/0.001)%10 does not return 0

bcmath module can help you bcmod(bcdiv("0.7", "0.001"), "10"); // ...READ MORE

Aug 31, 2018 in Blockchain by digger
 • 26,740 points • 1,092 views
0 votes
1 answer

What encoding or data type can be used to get alphanumeric string in elixir?

Integers in Elixir are arbitrary precision integers, ...READ MORE

Aug 31, 2018 in Blockchain by digger
 • 26,740 points • 1,071 views
0 votes
1 answer

Bitcoin payment system not working

I found the problem, it was actually ...READ MORE

Aug 30, 2018 in Blockchain by slayer
 • 29,370 points • 1,114 views
0 votes
1 answer

How to generate addresses from a file rather than specific phase

If the file with the passwords is ...READ MORE

Sep 7, 2018 in Blockchain by MI3
 • 767 views
+1 vote
1 answer

Need to convert bitcoin address function from php to Jquery

Use AJAX. It will be easier to ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 810 views
+1 vote
1 answer

How do I use ZF2 I18n currencyformatter to format bitcoin?

From ZF2's documentation at http://framework.zend.com/manual/2.3/en/modules/zend.i18n.view.helpers.html I found the following ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 588 views
0 votes
1 answer

blockchain.info api_code is missing

Check the blockchain api. it should be $Blockchain ...READ MORE

Aug 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,432 views
0 votes
2 answers

Passing AJAX GET results to location

Set a variable in global scope and ...READ MORE

Sep 4, 2018 in Blockchain by eddy
 • 830 views
0 votes
1 answer

How to proceed after connecting with hardcoded node?

I am assuming that by hardcoded nodes ...READ MORE

Aug 28, 2018 in Blockchain by Perry
 • 17,100 points • 1,191 views
0 votes
1 answer

Getting Bitcoin address from pubkey_hash

The unexpected result is due to encoding. For ...READ MORE

Aug 22, 2018 in Blockchain by digger
 • 26,740 points • 1,422 views
0 votes
1 answer

Cant locate english.txt file while intalling Python Bitcoin module

This is related to a pybitcointools bug where the ...READ MORE

Aug 30, 2018 in Blockchain by slayer
 • 29,370 points • 1,067 views
0 votes
1 answer

Blockcypher API code error

This code will work: <?php try ...READ MORE

Aug 23, 2018 in Blockchain by slayer
 • 29,370 points • 1,364 views
0 votes
1 answer

How to retrieve data from an Ethereum Block?

To get transaction details like Block Hash ...READ MORE

Jul 19, 2018 in Blockchain by Perry
 • 17,100 points • 2,841 views
0 votes
1 answer

How to get amount of bitcoins in php?

I’ve tried this code and it works: <?php function ...READ MORE

Aug 24, 2018 in Blockchain by slayer
 • 29,370 points • 1,301 views
0 votes
1 answer

Raw block with bitcoinj

This should work: BlockStore blockStore = new MyCustomBlockStore(NETWORK_PARAMETERS); blockStore.getChainHead(); blockChain ...READ MORE

Aug 28, 2018 in Blockchain by slayer
 • 29,370 points • 1,122 views
0 votes
1 answer

How to generate coin address using bitcoin-ruby?

The only difference between the addresses is ...READ MORE

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 1,080 views
0 votes
1 answer

Ethereum smart contract event trigger notification

I have an example here for web3js ...READ MORE

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 2,283 views
0 votes
1 answer

Hyperledger Fabric CA "Failed to get user: User not found"

The problem could be because of the ...READ MORE

Jul 23, 2018 in Blockchain by digger
 • 26,740 points • 2,669 views
0 votes
1 answer

How to access member functions of smart contract using web3?

I have implemented a similar feature and ...READ MORE

Aug 13, 2018 in Blockchain by slayer
 • 29,370 points • 1,763 views
0 votes
1 answer

OpenSSL i2o_ECPublicKey not working

When your right something in the buffer, ...READ MORE

Aug 17, 2018 in Blockchain by digger
 • 26,740 points • 1,573 views
0 votes
1 answer

How to receive JSON object via POST method?

You need to decode it with json_decode() like this $json ...READ MORE

Aug 28, 2018 in Blockchain by slayer
 • 29,370 points • 1,097 views
0 votes
1 answer

Transaction Verification in Blockchain

Yes if your transaction was lucky enough ...READ MORE

Sep 5, 2018 in Blockchain by Christine
 • 15,790 points • 733 views
0 votes
1 answer

Bitcoin pool mining using stratum

JSON string shouldn't have any spaces. So ...READ MORE

Aug 20, 2018 in Blockchain by digger
 • 26,740 points • 1,426 views
0 votes
1 answer

How to check payment in Blockchain.info wallet?

The above error is probably occurring due ...READ MORE

Aug 21, 2018 in Blockchain by Perry
 • 17,100 points • 1,482 views
0 votes
1 answer

Error while running curl command in Docker Quickstart Terminal

You can get the new version of ...READ MORE

Jul 12, 2018 in Blockchain by slayer
 • 29,370 points • 3,110 views
0 votes
1 answer

timmolter/XChange - Cryptsy GetFee

if(VolumeInBTC < 0.5){ ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 516 views
0 votes
1 answer

Hyperledger Blockchain Explorer “'Error: no test specified' ” error

You have run the npm install command ...READ MORE

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 1,885 views
+1 vote
1 answer

How to generate Bitcoin address?

Convert the hex string back to bytes ...READ MORE

Aug 20, 2018 in Blockchain by slayer
 • 29,370 points • 1,367 views
0 votes
1 answer

Problems using system() commands under Windows

You need to have double \ for ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 715 views
0 votes
1 answer

Can not find sayText method in QtBitcoinTrader

You've not added the ApplicationServices and CoreFoundation frameworks to your build, ...READ MORE

Aug 30, 2018 in Blockchain by slayer
 • 29,370 points • 974 views
0 votes
1 answer

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

For tracking changes you may simply save ...READ MORE

Aug 31, 2018 in Blockchain by Christine
 • 15,790 points • 958 views
0 votes
1 answer

How to join a peer to a channel in Hyperledger Fabric?

When you run the command: peer channel create ...READ MORE

Jul 31, 2018 in Blockchain by digger
 • 26,740 points • 2,254 views
0 votes
1 answer

How to get property of non object in Coinbase API

First, your sendMoney() call is stored into ...READ MORE

Aug 31, 2018 in Blockchain by digger
 • 26,740 points • 918 views
0 votes
1 answer

Hyperledger error while installing binaries

This seems like a problem with the ...READ MORE

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 1,859 views
0 votes
1 answer

Different unicode versions on various devices

Apparently this is not possible since you ...READ MORE

Aug 29, 2018 in Blockchain by Christine
 • 15,790 points • 1,006 views
0 votes
1 answer

Bitcoin sendfrom does not process transaction

Try this; $wammount = floatval(trim($_POST['wammount'])); READ MORE

Sep 3, 2018 in Blockchain by digger
 • 26,740 points • 758 views
0 votes
1 answer

Truffle Error: Migrations contract constructor expected

You are not using constructor() public { ...READ MORE

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,792 views
0 votes
1 answer

Fatal error while installing web3 node.

Try to add git config by executing ...READ MORE

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,784 views
0 votes
1 answer

Base58 encoding in ruby?

Seems like a hexadecimal number is stuck ...READ MORE

Aug 22, 2018 in Blockchain by digger
 • 26,740 points • 1,257 views
0 votes
1 answer

Issue in running Corda as a service

There are a few issues with the ...READ MORE

Aug 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,024 views
0 votes
1 answer

Generating cryptocoin address.

30 in decimal will give you a ...READ MORE

Aug 23, 2018 in Blockchain by slayer
 • 29,370 points • 1,198 views
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