Recent questions tagged blockchain

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Low_s canonical signature for bitcoin transaction

Mar 3, 2020 in Blockchain by anonymous
 • 120 points • 967 views
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Is there any resource for hyper ledger fabric to learn?

Mar 2, 2020 in Blockchain by anonymous
 • 120 points • 1,047 views
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Hyperledger Fabric: Average & Max Price FabCar

Mar 1, 2020 in Blockchain by pablobonet
 • 120 points • 746 views
+1 vote
1 answer

How I can Develope a chaincode for generating network admins private and public key using certification authority for each organisation and Is it possible?

Jan 23, 2020 in Blockchain by Rashmirekha
 • 130 points • 1,057 views
–1 vote
1 answer

how to npm install in node.js

Jan 12, 2020 in Blockchain by anonymous
 • 190 points • 838 views
+1 vote
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How can i made a ledger-system using hyperledger.

Jan 12, 2020 in Blockchain by anonymous
 • 190 points • 855 views
+1 vote
1 answer

how to creat a privaet blockchain network using ganache step by step process

Jan 12, 2020 in Blockchain by Rohan
 • 190 points • 1,557 views
+1 vote
2 answers

Error 500: mychannel has been migrated to new lifecycle. Chaincode instantiation error.

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 4,547 views
+1 vote
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Error 500 during instantiation of chaincode for commercial-paper example.

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 1,838 views
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i am new to hperledger fabric in the offical docs they relased 2.0 version i am geeting error related to tls handshake

Dec 11, 2019 in Blockchain by vineeth
 • 150 points • 622 views
+1 vote
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not getting real transaction ID only getting temp-transaction ID in fabric-sdk

Nov 14, 2019 in Blockchain by laxman
 • 130 points • 815 views
+1 vote
1 answer

Can we pass string values to the contract which holds bytes 32 only?

Aug 26, 2019 in Blockchain by anonymous
 • 130 points • 1,031 views
+1 vote
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Can I change the network id in ganache GUI? Is it work for calling the functions in solidity?

Aug 16, 2019 in Blockchain by anonymous
 • 1,316 views
+1 vote
1 answer

Error while sending a transaction from Web3py to a Smart Contract in Remix

Aug 5, 2019 in Blockchain by Yaxir
 • 1,834 views
+1 vote
1 answer

hyperledger fabric: can't find package: github.com/pkg/errors in GOPATH or GOROOT

Aug 3, 2019 in Blockchain by aiga
 • 2,105 views
+2 votes
1 answer

Trying to instantiate chain code on channel

Aug 1, 2019 in Blockchain by Deven
 • 140 points • 1,884 views
0 votes
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How to use mutual authentication without CA in hyperledger fabric

Jul 29, 2019 in Blockchain by behnaz
 • 120 points • 692 views
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1 answer

How to include/ install any library in node.js application program?

Jul 26, 2019 in Others by code_ninja
 • 6,300 points • 1,669 views
0 votes
1 answer

how to develop healthcare records using DApp on Blockchain?

Jul 26, 2019 in Blockchain by anonymous
 • 2,633 views
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how to Build Bitcoin address and balance database?

Jul 25, 2019 in Blockchain by Raj
 • 180 points • 1,110 views
+1 vote
1 answer

how to create channels with new orgs in Fabric? getting error: Attempted to include a member which is not in the consortium.

Jul 22, 2019 in Blockchain by ayusht11
 • 3,362 views
+1 vote
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Metamask popup on Server side (Express js) ?

Jul 15, 2019 in Blockchain by Dzaky
 • 130 points • 1,601 views
+2 votes
1 answer

how to convert hash160 to bitcoin address in python?

Jul 12, 2019 in Blockchain by Raj
 • 180 points • 3,845 views
+1 vote
1 answer

Multichain "Resource temporarily unavailable" error

Jul 10, 2019 in Blockchain by Yashita
 • 806 views
0 votes
1 answer

In assymetric cryptography how and when the sender will share the public key with the receiver?

Jul 3, 2019 in Blockchain by Rasheed
 • 880 views
+1 vote
1 answer

Listing all Bitcoin Miners

Jul 3, 2019 in Blockchain by Tina
 • 767 views
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1 answer

How can I become a miner in Blockchain?

Jul 3, 2019 in Blockchain by Reshma
 • 3,360 views
0 votes
1 answer

Public and private keys created residing in laptop/mobile while initiating a transaction

Jul 3, 2019 in Blockchain by Vishwa
 • 699 views
0 votes
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LIVE PODCAST THREAD** (#2 Are Smart contracts really the Future?)

Jun 28, 2019 in Blockchain by Vardhan
 • 13,150 points • 990 views
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In R3 Corda I don't know to start the web server port in server?

Jun 26, 2019 in Blockchain by anonymous
 • 1,269 views
0 votes
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Migrations ran out of gas

Jun 25, 2019 in Blockchain by anonymous
 • 1,182 views
+1 vote
1 answer

Where to download the corda network bootstrapper 3.1 or 3.2 version for r3 corda?

Jun 24, 2019 in Blockchain by anonymous
 • 983 views
0 votes
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Network Parameter and additional node info file in R3 corda?

Jun 21, 2019 in Blockchain by anonymous
 • 745 views
0 votes
1 answer

Using public and private keys for Blockchain transaction

Jun 20, 2019 in Blockchain by Tony
 • 1,126 views
0 votes
0 answers

Couldn't find network parameters file and compatibility zone wasn't configured/isn't reachable

Jun 20, 2019 in Blockchain by anonymous
 • 1,882 views
0 votes
1 answer

If everybody on the network stores a copy of the ledger, can't someone distribute an infected ledger and thus spread viruses etc?

Jun 19, 2019 in Blockchain by Noa
 • 1,193 views
0 votes
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Is there any API for ether sent transaction in ethereum without using web3.js

Jun 17, 2019 in Blockchain by vishal tyagi
 • 1,293 views
+1 vote
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Can't call contract function in Remix in Web3 provider mode, but it works in Javascript VM

Jun 15, 2019 in Blockchain by XHQ
 • 2,600 views
+1 vote
2 answers

I get the following error while i run the command ./byfn.sh up. I have tried removing all the containers and updated every required version but still the same error

Jun 11, 2019 in Blockchain by Lelouch
 • 4,612 views
0 votes
1 answer

Trying to implement block-chain payment in website

Jun 11, 2019 in Blockchain by Iris
 • 130 points • 773 views
0 votes
2 answers

web3 accounts coming undefined

Jun 9, 2019 in Blockchain by gaurav
 • 120 points • 2,298 views
0 votes
1 answer

What is geth and solidity in Blockchain?

Jun 8, 2019 in Blockchain by siddu
 • 2,798 views
0 votes
1 answer

Decentralisation and Smart contract

Jun 5, 2019 in Blockchain by Vijayaprasad
 • 150 points • 979 views
+1 vote
1 answer

Error: failed to create deliver client: orderer client failed to connect to order.example.com:7050: failed to create new connection: context deadline exceeded

May 30, 2019 in Blockchain by geetha
 • 4,490 views
0 votes
1 answer

What is a Hub and a Node in Selenium Grid?

May 29, 2019 in Selenium by Dharmesh
 • 2,151 views
0 votes
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Corda - How to check if counter party nodes are running?

May 28, 2019 in Blockchain by Sriram
 • 160 points • 646 views
0 votes
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Corda - How to check if counter party nodes are running?

May 28, 2019 in Blockchain by Sriram
 • 160 points • 482 views
0 votes
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What will happen to the transactions with unconsumed states when modified contract is integrated in the network?

May 23, 2019 in Blockchain by Sriram
 • 160 points • 625 views
0 votes
1 answer

Multichain installation error

May 22, 2019 in Blockchain by Jimmy
 • 681 views
+1 vote
1 answer

How the data stored in the blockchain is verified?

May 20, 2019 in Blockchain by mayukha
 • 130 points • 876 views
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