General Message Passing

Axelar Network's General Message Passing (GMP) allows developers to build applications that can interact with functions (like smart contracts) on other blockchains connected to Axelar. This is a big deal because traditionally, moving assets between blockchains has been clunky and involved wrapped tokens.

Here's a breakdown of GMP and token transfers on Axelar:

GMP:

Enables developers to write code on one blockchain and call functions on entirely different blockchains. Think of it like Legos for blockchains - you can connect different functionalities across various chains. This creates a new generation of applications, called interchain applications, that can leverage the strengths of multiple blockchains.

Token Transfers with GMP:

GMP allows you to transfer tokens between Axelar-supported blockchains. This is different from traditional bridging because it facilitates direct communication between blockchains. You can send tokens from EVM chains (like Ethereum), Cosmos chains, or using the AxelarJS SDK. The Axelar documentation provides guides for sending tokens with GMP: https://docs.axelar.dev/dev/send-tokens/introduction

GMP Vs Token Transfer:

GMP (General Message Passing) and Token Transfer in Axelar Network are both powerful features, but they serve different purposes:

Token Transfer:

• This is the core functionality for moving assets (like cryptocurrencies) between blockchains supported by Axelar.
• It allows you to send native tokens (on some chains) or wrapped tokens directly from one chain to another.
• Think of it like sending money between two different bank accounts. You specify the amount and destination, and Axelar handles the secure transfer behind the scenes.

GMP (General Message Passing):

• This is a broader concept that enables communication between blockchains. It goes beyond just tokens.
• With GMP, developers can write code on one blockchain and call functions (like interacting with smart contracts) on entirely different blockchains.
• Imagine building an application where part runs on Ethereum and another part runs on Avalanche. GMP allows them to communicate and work together seamlessly.

Here's an analogy:

• Token Transfer: Sending a package between two cities (represents moving assets between blockchains).
• GMP: Having a communication network that allows businesses in two cities to collaborate and share information (represents enabling functions on different blockchains to interact).

In simpler terms:

• Token Transfer lets you move your funds around.
• GMP lets developers build more complex applications that leverage the strengths of multiple blockchains.