Distributed database maintaining a continuously growing list of secured records or blocks.


Related code patterns

Create a fair-trade supply network

In this developer code pattern, we will create a blockchain app that increases visibility and efficiency in the supply chain of a coffee retailer.

Create and deploy a blockchain network using Hyperledger Fabric SDK Java

Create and deploy a blockchain network using Hyperledger Fabric SDK Java, setting up and initializing the channel, installing and instantiating chaincode, and performing invoke and query on your blockchain network.

Implement asset securitization on a blockchain ledger

Deploy a React UI that has can submit blockchain transactions and view the state of a blockchain ledger as updated.

Interacting with a blockchain network

Execute transactions and requests against a blockchain network by creating an app to test the network and its rules.

Leverage blockchain monitoring

Learn how to create a blockchain monitoring app using React and Node.js with the Hyperledger Fabric SDK.

Create an Android app with Blockchain integration

This code pattern is for developers who want to provide data anonymity and security to their users. Learn how to build a native Android app, deploy a Blockchain Network in Kubernetes, and then integrate the Android app with the Blockchain Network.

Create a customer loyalty program with blockchain

Create a blockchain application for a customer loyalty program with members and partners on the same network.

Track donations with blockchain

Create a blockchain network for validating pledges and tracking funds made by the government for humanitarian causes.

Deploy Hyperledger Fabric network on IBM Cloud

Get started with blockchain by deploying the blockchain network on Hyperledger Fabric using Kubernetes APIs on the IBM Cloud Kubernetes Service.

Integrate RabbitMQ and Redis Cluster with a blockchain network

Check out how to control the flow of requests to a blockchain network using RabbitMQ and Redis Cluster.

Develop an IoT asset tracking app using Blockchain

You can use this code pattern to to track environmental conditions for a food safety supply chain, refrigerated medical supplies, garden plant shipments, or any perishable shipment that are sensitive to the temperature, humidity, vibration, or time.

Use IoT dashboards to analyze data sent from a Blockchain network

Build an IoT app that stores, processes, and analyzes data from a Blockchain app and sends the data to be displayed in IoT dashboards.

Load test your blockchain network

Load test your blockchain application by submitting a large number of enroll, invoke, and query requests, then viewing the results in MongoDB.

Explore Hyperledger Fabric through a complete set of APIs

Learn how to begin the process of building a Hyperledger blockchain application using the Hyperledger Fabric SDK API.

Automate business processes via blockchain events

Extend your blockchain application with event handling, so that transactions on the shared ledger can initiate actions automatically. This pattern shows you how to programmatically generate and receive event notifications from the blockchain network.

Build a blockchain insurance app

With its distributed ledger, smart contracts, and non-repudiation capabilities, blockchain is revolutionizing the way financial organizations do business, and the insurance industry is no exception. This code pattern shows you how to implement a web-based blockchain app using Hyperledger Fabric to facilitate insurance sales and claims.

Build your first blockchain application

Get started with this secure, distributed, open ledger technology by completing a journey series that shows you how to build a working blockchain app step by step.

Create and execute blockchain smart contracts

Use the Hyperledger Composer framework to create and execute smart contracts within a blockchain application built on Hyperledger Fabric.

Model FDA Foreign Supplier Verification Program requirements

In this journey, we capture the regulatory compliance logic for the FDA Foreign Supplier Verification Program in a smart contract deployed on a business network.

Build a blockchain network

Get started with blockchain technology by learning how to build a blockchain network using Hyperledger Composer.

Create a decentralized energy network with Hyperledger Composer

Use Hyperledger Composer to create a decentralized energy network of residents, banks, and utility companies in which residents exchange energy for coins with other residents and utilities, and exchange coins for fiat currency with banks.

Run blockchain technology on a Linux mainframe

Discover how to use Hyperledger Composer and its tools, editors, and business network model to write, deploy, and test chaincode on LinuxONE.

Create a to-do list app using blockchain

Learn to perform traditional data store transactions with blockchain by implementing a web-based, to-do list app that enables you to browse, read, edit, add, and delete list items.

Deploy an asset-transfer app using blockchain

Learn app development within a Hyperledger Fabric network by creating an asset-transfer app to transfer marbles between multiple owners.

Related tech talks

Blockchain Auction Apps with Chainyard

September 24, 2018

Learn how Chainyard is using blockchain to transform the way auctions are executed and ownership is transferred.

Using the Hyperledger Burrow EVM inside Hyperledger Fabric

September 13, 2018

You can run DApps that were originally developed for Ethereum on Hyperledger Fabric

Build secure, resilient, traceable, and transparent supply networks with blockchain.

July 20, 2018 11:00AM EDT

Blockchain can help ensure disaster aid gets to where it needs to go.

How to solve the world’s largest natural disaster challenges with code

July 9, 2018, 11:00AM

Call for Code asks you to create applications that improve disaster preparedness, build resilient communities, and safeguard the health and well-being of individuals and institutions.

Explore Hyperledger Fabric through a complete set of APIs


In this talk, you will learn how to utilize the Hyperledger Fabric SDK by making use of their API calls from a node application.

Decentralized energy with Hyperledger Composer


Learn how to create a basic blockchain network using Hyperledger Composer and interact with the network through a web application.

Open Source Week: Blockchain for the enterprise – Hyperledger Community update


A deep dive into the Hyperledger community including associated projects such as Hyperledger Fabric

IBM Code Tech Talk: Regulatory compliance with Hyperledger Composer

January 31, 2018

Learn more about IBM's blockchain direction and development tools, and see a demo of how blockchain helps you meet regulatory compliance requirements.

Replay: Create and execute blockchain smart contracts

December 6, 2017

Organizations that use blockchain depend on trusted transactions to securely automate processes that were previously completed manually. Learn how to use the Hyperledger Composer framework to create and execute smart contracts. Those contracts will run within a blockchain application built on Hyperledger Fabric.

Blockchain to Docker, with scalability and security from day one

October 11, 2017

This talk goes into the process of building chain code and using Docker containers at scale. Discover how to use Hyperledger Composer and its tools, editors, and business network model to write, deploy, and test chain code.

Deploy an asset-transfer app using blockchain

September 20, 2017

This talk provides an in-depth look at blockchain and its practical applications, including an overview of blockchain concepts, a look at Hyperledger Fabric, an example architecture, and a dive into the specifics of building a blockchain app.

Hyperledger Update

December 14, 2016

Join Arnaud Le Hors, IBM Senior Technical Staff Member for Open Web and Blockchain Technologies, for a look back at the past year’s Hyperledger accomplishments, milestones, and challenges.

Open Blockchain Tech Talk

May 13, 2016

IBM Open Cloud CTO Chris Ferris and IBM Blockchain Solution Architect Anthony O’Dowd provide an overview of Open Blockchain, IBM’s contribution to the digital ledger technology that’s changing the way business transactions happen.

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blockchain4business bootcamp in Munich

Blockchain4Business was a bootcamp which took place from 15th – 18th July 2018 in Munich, Germany. This was the third event of its kind, designed for individuals and companies interested in hands-on learning and hacking of Hyperledger Fabric applications. This four-day event was organized by the Frankfurt School Blockchain Center,, the Johannes Gutenberg University...

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Apps without privacy issues: Creating a blockchain wellness app on the cloud

Kubecoin takes fitness data directly from the phone health kit and places transactions on the "Kubechain." The app works anonymously and assigns a made-up identity to you, along with a randomly generated avatar. Your data can’t be traced to you, but you'll be able to see where your assigned avatar ranks on our leaderboard.

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