Blockchain Tutorials

Complied By Bhaskar Krishnamachari, Gowri Sankar Ramachandran, Martin Arturo Martinez Espinoza, Pavas Navaney, and Shen Zhun

What is Blockchain?

Blockchain, the technology behind Bitcoin, seems to be the driving technology behind the next generation of Internet, also referred to as the Decentralized Web, or the Web3. Blockchain is a novel solution to the age-old human problem of trust. It provides an architecture for so-called trustless trust. It allows us to trust the outputs of the system without trusting any actor within it…


Blockchain & Distributed Ledger Technologies

The Bitcoin White Paper was published by Satoshi Nakamoto in 2008; the first Bitcoin block got mined in 2009. Since the Bitcoin protocol is open source, anyone could take the protocol, fork it (modify the code), and start their own version of P2P money. Many so-called altcoins emerged and tried to be a better, faster or more anonymous than Bitcoin. Soon the code was not only altered to create better cryptocurrencies, but some projects also tried to alter the idea of blockchain beyond the use case of P2P…


With the soaring price of Bitcoin, and other initial coin offerings raising vast amounts of money this year, some are excited while others fear we are in the midst of another financial bubble. But, setting aside the financial speculation, there is significant potential for engineering innovations and social impact using the Blockchain technologies underlying cryptocurrencies…

A Beginner’s Guide to Smart Contracts

One of the best things about the blockchain is that, because it is a decentralized system that exists between all permitted parties, there’s no need to pay intermediaries (Middlemen) and it saves you time and conflict. Blockchains have their problems, but they are rated, undeniably, faster, cheaper, and more secure than traditional systems, which is why banks and governments are turning to them.

In 1994, Nick Szabo, a legal scholar…


IOTA is a distributed ledger technology with a native token. The Tangle, the data structure it uses, has a number of advantages when it comes to performance and cost.

IOTA Hackathon Resources
IOTA Tutorials
IOTA Developer Documentation


Hyperledger Fabric

Hyperledger is an umbrella project of open source blockchains and related tools, started in December 2015 by the Linux Foundation, to support the collaborative development of blockchain-based distributed ledgers. Hyperledger has multiple blockchain technologies and source code, including open contracts and standard, different consensus algorithms and storage model. Hyperledger Fabric is an open source enterprise-grade permissioned distributed ledger technology (DLT) platform, designed for use in enterprise contexts…

If you continue watching the videos, there is a playlist with everything about what is the fabric and applications as well as installation tutorials.


This tutorial gets you started developing a blockchain network. I’ll introduce you to Hyperledger Composer and its user interface, Hyperledger Composer Playground, where you can model and test your network with nothing more than Docker and your web browser.

In Part 2, you’ll learn how to refine and deploy your blockchain network, and in Part 3, you’ll see how to install Hyperledger Fabric on your computer, deploy your business network to your local instance, and interact with the sample network blockchain application…



Solidity is an object-oriented, high-level language for implementing smart contracts. Smart contracts are programs which govern the behaviour of accounts within the Ethereum state.

Solidity was influenced by C++, Python and JavaScript and is designed to target the Ethereum Virtual Machine (EVM).

Solidity is statically typed, supports inheritance, libraries and complex user-defined types among other features…


Introduction to Web3 and Interaction with Smart Contracts

Hey everybody, it’s Gregory from Dapp University!

Today I’m going to you how to get started using the Web3.js library, the main JavaScript library for interacting with The Ethereum Blockchain. I’ll show you what Web3.js is, how to use it to talk to the Ethereum blockchain in this 8-part tutorial series…

Intersection of Infura , IPFS and Web3 (Advanced)

There are a lot of pain points being faced by blockchain which may be solved by Infura and/or the InterPlanetary File System (IPFS), to some extent. These are the main challenges:

  1. It’s expensive to store data on the Ethereum blockchain
  2. It’s tough to configure an Ethereum geth client
  3. It’s tough to scale the infrastructure…

Using Truffle Framework for building DApps (Advanced)

The best way to query a deployed ethereum contract is via the web3.js library and the ethereum wiki has very good documentation on it.

Web3 talks to the Ethereum node via RPC calls. However, most Ethereum developers (including myself) are more familiar with the truffle frameworkwhich abstracts our interaction with the web3 library. To get an…


Developer Portal

Past Workshops

BlockExplorer For CMT

Lity (Solidity v0.4.21 Compatible)

Europa (Online Smart Contract IDE)

MetaMask For CMT

CyberMiles Nodes ReadTheDocs


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