Blockchain

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

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Related code patterns

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.


Decentralized energy 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

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.


Related Blogs