3 Days Until Terra Classic Upgrade to v3.6.0 — What You Need to Know

Countdown 3 days 7 hours 3 minutes until the Terra Classic network upgrade to v3.6.0

Overview

The Terra Classic blockchain is preparing for a major upgrade to version 3.6.0, scheduled at
block 25,619,230 on October 20, 2025, 21:14:34 (GMT+7).
This hard fork introduces important protocol improvements, security patches, and performance optimizations that will strengthen network reliability and validator operations.

All validators, node operators, and developers should prepare to upgrade before the activation block to ensure full compatibility with the updated chain.

Terra Classic v3.6.0 Upgrade Summary

Section	Details
Key Highlights of v3.6.0	Enhanced network stability and smoother consensus operations Optimized block processing and faster transaction confirmation Critical security fixes and improved validator communication Foundation for upcoming feature updates and ecosystem integrations These updates are part of ongoing work to make Terra Classic more efficient and secure for both validators and end users.
Who Needs to Take Action	Validators and Node Operators must upgrade their nodes to v3.6.0 before activation. Failing to do so will cause nodes to desynchronize after the hard fork. Developers and Service Providers should test their systems with the new version to ensure compatibility. Wallet and Exchange Operators must prepare infrastructure updates to avoid service disruptions. Regular Users do not need to take action; services will handle the upgrade automatically.
Preparation Checklist	Back up current node configurations and data Review official release notes and upgrade documentation Test the new build in a controlled environment Verify software integrity before deployment Coordinate with other validators and monitor the upgrade process Following these steps will help ensure a smooth transition once the network reaches the activation block.

Section

Details

Key Highlights of v3.6.0

Enhanced network stability and smoother consensus operations
Optimized block processing and faster transaction confirmation
Critical security fixes and improved validator communication
Foundation for upcoming feature updates and ecosystem integrations

These updates are part of ongoing work to make Terra Classic more efficient and secure for both validators and end users.

Who Needs to Take Action

Validators and Node Operators must upgrade their nodes to v3.6.0 before activation. Failing to do so will cause nodes to desynchronize after the hard fork.
Developers and Service Providers should test their systems with the new version to ensure compatibility.
Wallet and Exchange Operators must prepare infrastructure updates to avoid service disruptions.
Regular Users do not need to take action; services will handle the upgrade automatically.

Preparation Checklist

Back up current node configurations and data
Review official release notes and upgrade documentation
Test the new build in a controlled environment
Verify software integrity before deployment
Coordinate with other validators and monitor the upgrade process

Following these steps will help ensure a smooth transition once the network reaches the activation block.

What to Expect After the Upgrade

Once the Terra Classic network successfully transitions to v3.6.0, normal operations will resume with improved performance and stability.
End users should experience no disruption in everyday transactions, while validators and developers will benefit from more efficient backend operations.

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October 17, 2025

3 Days Until Terra Classic Upgrade to v3.6.0 — What You Need to Know

3 Days Until Terra Classic Upgrade to v3.6.0 — What You Need to Know

Overview

Terra Classic v3.6.0 Upgrade Summary

What to Expect After the Upgrade

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