Trending questions in Blockchain

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1 answer

Is it possible to claim BCH without knowing private key?

You can't claim BCH without knowing private ...READ MORE

Sep 5, 2018 in Blockchain by Christine
 • 15,750 points • 1,127 views
0 votes
1 answer

'ppa:ethereum' error while installing ethereum on ubuntu

First try: sudo apt-get install --reinstall ca-certificates If ...READ MORE

Jul 12, 2018 in Blockchain by slayer
 • 29,370 points • 3,500 views
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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 • 2,925 views
0 votes
1 answer

restarting bitcoin tesnet docker container, error flag '-ti'

`docker ps -a' shows you the containers, ...READ MORE

Sep 7, 2018 in Blockchain by Prakash
 • 1,015 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 • 1,701 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 • 1,725 views
0 votes
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 • 1,121 views
0 votes
1 answer

What are the differences between chain and state database in hyperledger fabric?

There are two place which "store" data ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 3,491 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
 • 988 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 • 1,288 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 • 1,374 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 • 1,439 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 • 1,018 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 • 1,612 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 • 1,300 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 • 1,644 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
 • 952 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 • 998 views
+1 vote
1 answer

How do I use ZF2 I18n currencyformatter to format bitcoin?

I found the following link: http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#details If you scroll ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 781 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 • 1,295 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 • 1,580 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 • 2,006 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 • 1,695 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 • 3,056 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 • 2,893 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 • 1,294 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 • 1,509 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 • 2,491 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 • 1,785 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
 • 15,750 points • 954 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 • 1,606 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 • 1,294 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 • 2,115 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 • 1,158 views
0 votes
1 answer

Error while running curl command in Docker Quickstart Terminal

You are using the URL https://goo.gl/iX9dek in ...READ MORE

Jul 12, 2018 in Blockchain by slayer
 • 29,370 points • 3,315 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 • 1,280 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
 • 15,750 points • 1,170 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 • 2,471 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 • 1,661 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 • 2,078 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 • 906 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
 • 15,750 points • 1,232 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 • 687 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 • 1,148 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 • 972 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 • 1,432 views
0 votes
1 answer

Problem in QRL (Quantum Resistant Node) startup

There is an open issue in GitHub ...READ MORE

Aug 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,235 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 • 1,982 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 • 1,460 views
0 votes
2 answers

Python syntax error because of version conflicts.

As mentioned in the reply to my ...READ MORE

Aug 13, 2018 in Blockchain by Omkar
 • 69,180 points • 1,800 views
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