Interchain Developer Academy

Developer Course

Interchain Developer Academy

Welcome to the Interchain Developer Academy!

Over the next nine (7+2) weeks, you will dive deep into the Cosmos Ecosystem. Let's get started!

Start learning!Resources

Important program information

Timeline and deadlines

What you will learn

How to get the most out of the Academy

How much time do I need to dedicate to the Academy?

What support will I get in the Academy?

How do I access Discord?

How do I get certified?

Weekly Plan

This cohort of the Academy runs for nine weeks (seven weeks and a two-week holiday break). You can follow the weekly structure or decide to go your individual path - just make sure to be ready for the Final Exam at the end of the program.

DevOps

Cosmos SDK

IBC

CosmJS

CosmWasm

Tendermint

Cosmos Hub

Concept

Tutorial

Guided Coding

This chapter is completely optional and a good introduction if you are new to blockchain technology or need a refresher on Golang and a short overview of dev terms you will encounter when working with Cosmos:

Blockchain basics

Golang introduction

Good-to-know dev terms

Docker introduction

You will discover the Cosmos ecosystem and learn about the main concepts of the Cosmos SDK, from its Tendermint consensus to learning how keys, accounts, and transactions relate to each other. Dive into:

Blockchain technology and Cosmos

The Cosmos Ecosystem

Getting ATOM and staking it

Blockchain app architecture

Accounts

Transaction, messages, and modules

Protobuf

Multistore and keepers

BaseApp

Queries, events, and context

Testing

Migrations

Bridges

You will discover how to run a node and learn how to build your own chain by following the example implementation of a checkers blockchain:

How to set up your work environment

How to run a node, API, and CLI

Introduction to Ignite CLI

First steps for your checkers blockchain

You will dive into IBC to learn more about cross-chain communication and take a look at how to use CosmJS for your chain:

What is IBC?

Transport, authentication, and ordering layer - connections, channels, and clients - OPTIONAL

IBC token transfer

Interchain accounts - OPTIONAL

IBC tooling

What is CosmJS?

Send tokens with CosmJS

Compose complex transactions

Learn to integrate Keplr

Create custom CosmJS interfaces

You will dive deeper into customizing the checkers blockchain to make your game more interesting and unique with Ignite, while also testing and expanding your IBC knowledge to:

Put your games in order

Keep a game deadline

Record a game winner

Allow for auto-expiring games

Let players set a wager

Handle wager payments

Incentivize players and manage gas

Help find a correct move

Understand IBC denoms

Play with cross-chain tokens

Work with IBC relayers

You will build on your previous work with CosmJS to implement a sound game GUI and a backend script that improves the user experience by:

Creating custom objects

Creating custom messages

Getting an external GUI

Integrating CosmJS and Keplr

Using CosmJS for game indexing

Ready for an IBC deep dive? In this chapter, you will further deepen your knowledge of IBC by looking into:

Writing a custom IBC application

How to make a module IBC-enabled

Adding packet and acknowledgment data

Extend the checkers game with a leaderboard

Create a leaderboard chain

Exploring IBC middlewares - OPTIONAL

Creating a custom IBC middleware - OPTIONAL

Integrating IBC middleware into a chain - OPTIONAL

In this chapter, you will build on your previous work for the checkers blockchain to adapt your blockchain to the demands of running in production:

Get a quick overview

Prepare the software to run

Prepare a validator and keys

Prepare where the node starts

Prepare and connect to other nodes

Configure, Run, and Set Up a Service

Simulate a production setup with Docker Compose

Introduce a leaderboard after production

Prepare and Do Migrations

Developer Resources

Cosmos SDK

A framework to build application-specific blockchains

Documentation

Tendermint Core

Blockchain consensus engine and application interface

Documentation

Cosmos Hub

First interconnected public blockchain on the Cosmos network

Documentation

IBC

Industry standard protocol for inter-blockchain communication

Documentation

Get Cosmos updates

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Documentation

Cosmos SDK Cosmos Hub Tendermint Core IBC Protocol

Community

Cosmos blog Forum Discord

Contributing

Source code on GitHub

Interchain Developer Academy

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