Connect chains

The Inter-Blockchain Communication Protocol

Ever wondered how cross-chain communication is possible? Get a fast introduction to the world of the Inter-Blockchain Communication (IBC) Protocol.

Learn more about the transportation, authentication, and ordering layer of IBC and take a deeper dive into how token transfers between chains become possible. Finally, have a more detailed look at relaying with IBC.

# In this module

In this chapter, you will:

  • Discover what IBC is.
  • Get an introduction to the different layers of IBC and how connections, channels, and clients relate to each other in IBC.
  • Take a look at IBC token transfers.
  • Explore interchain accounts.
  • Dive into relaying with IBC.
  • Get an overview of helpful tools for IBC.

# Next up

This chapter is all about the IBC protocol. Begin your cross-chain journey with an introduction to IBC.

# Developer resources

Cosmos SDK
Cosmos SDK
A framework to build application-specific blockchains

Tendermint Core
Tendermint Core
Blockchain consensus engine and application interface

Cosmos Hub
Cosmos Hub
First interconnected public blockchain on the Cosmos network

Industry standard protocol for inter-blockchain communication