In a resounding triumph for one of blockchain’s most resilient communities, Terra Luna Classic (LUNC) has successfully executed its highly anticipated v3.6.0 network upgrade on October 20, 2025. The upgrade, which temporarily halted the chain at block height 25,619,230, marks a critical milestone in reintegrating Terra Classic with the broader Cosmos ecosystem. This move not only enhances interoperability but also paves the way for renewed developer activity, smart contract innovations, and potential liquidity surges for LUNC and USTC holders.

The LUNC community, often referred to as the “LUNC Army,” celebrated the seamless rollout despite minor hiccups with some validators. Major exchanges, including Binance, provided full support, ensuring minimal disruption for users. As the dust settles on October 21, the chain is back online, humming with efficiency and poised for a new era of growth in the Cosmos “internet of blockchains.”

The Upgrade Unfolds: From Halt to Harmony

The v3.6.0 upgrade commenced as planned on October 20 at approximately 14:21 UTC, with the network halting to allow validators to apply the necessary changes. This hard fork was no routine update—it involved a comprehensive “Wasmd Unforking” to CosmWasm version 0.36.0, aligning Terra Classic’s smart contract framework with the latest Cosmos standards.

While the process extended longer than anticipated due to some validators facing hardware issues or delays in upgrading, the chain resumed block production once two-thirds voting power was online. Validators like Hexxagon and Lunanauts reported swift recoveries, with many leveraging post-upgrade snapshots to bypass migration hurdles and get back online in under 10 minutes.

Community updates flooded X, with accounts like LuncDaily confirming: “The $LUNC network has completed its upgrade to version 3.6.0, marking a key milestone for the Terra Classic blockchain.” Similarly, TerraNewsEN echoed: “The Terra Classic chain has completed its v3.6.0 upgrade. Terra Classic validators have completed another challenging upgrade without errors.”

New Features and Extras: Beyond Reintegration

Building on prior upgrades like v3.5.0’s Market Module reactivation, v3.6.0 introduces several “extras” that supercharge the ecosystem:

• Full Cosmos Reintegration and IBC Compatibility: The upgrade enables seamless Inter-Blockchain Communication (IBC), allowing LUNC and USTC to interact fluidly with Cosmos chains like Osmosis and Cosmos Hub. This is hailed as “the first and most important step in connecting $LUNC and $USTC to Cosmos,” opening doors to cross-chain asset transfers, liquidity pools, and collaborative DeFi projects.
• Enhanced Smart Contracts with CosmWasm 0.36.0: Upgraded WebAssembly-based contracts now support more secure and efficient executions. Testnet validations confirmed flawless performance in CW20 token operations (transfers, minting, balances), Stargate modules (banking, staking, governance), and DEX features like swaps and liquidity provision.
• Performance Optimizations: Fixes for memory leaks and improved end-to-end queries ensure stability under high loads, making the chain more attractive for dApp developers.
• Validator and Community Tools: Post-upgrade, tools like snapshots and monitoring channels helped mitigate downtime, fostering better coordination among validators.

These enhancements address Terra Classic’s post-2022 isolation, transforming it from a “legacy” chain into a vibrant, interoperable player.

Community Cheers: Bullish Sentiment on X

The LUNC community erupted in celebration across X, with posts emphasizing the upgrade’s role in long-term sustainability. VanessaaVivid shared: “Terra Classic #LUNC v3.6.0 upgrade has been completed… Keep Building! Influencers like BeLaunch_ noted: This upgrade will make $LUNC and $USTC fully compatible with the Cosmos network again, marking a huge milestone for ecosystem growth.

Binance’s endorsement added credibility, with no reported issues for users. Overall sentiment remains positive, with 65% of recent mentions bullish, per social analytics—fueled by visions of IBC-driven liquidity and DeFi revival.

Forward Momentum: Cosmos Awaits

With v3.6.0 now live, Terra Luna Classic is no longer just surviving—it’s thriving. The upgrade’s success validates the community’s burns (over 400 billion LUNC incinerated) and governance efforts, setting the stage for IBC activations and developer influxes. As 0xVladymyr put it: “This marks the first and most important step in the onboarding process.”

For the LUNC faithful, this is more than code—it’s redemption. The chain is evolving, the cosmos is calling, and the future looks brighter than ever.

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