LUNC News

Aug 1, 2025

What Do Cosmos SDK and Wasm Mean, and Why Are They Important?

Terra Classic is preparing for a major technical upgrade. The goal is to improve the network’s security, performance, and long-term reliability.

Understanding Cosmos SDK

  • Definition: A framework for building public and private blockchains.

  • Upgrade Impact: Moving Terra Classic from SDK v0.47.17 to v0.50.13 for stronger security, ABCI++ transaction handling, and easier future upgrades.

The Role of Wasm Module

  • Definition: WebAssembly Module runs smart contracts on Terra Classic.

  • Upgrade Impact: Updating from v0.46.0 to v0.53.2 for compatibility with new features while keeping existing contracts functional.

Why the Upgrade Matters

  • Network Stability: Updates Oracle, Market, and Treasury modules for smooth operation.

  • Future Growth: Removes outdated code, enhances security, and prepares Terra Classic for sustainable development within the Cosmos ecosystem.

Changelog