Deep Dive
1. Infrastructure Upgrade (26 November 2025)
Overview: This scheduled upgrade caused about 12 hours of network downtime to improve the core stability and scalability of the Merlin Chain mainnet. It directly aimed to enhance the performance of zero-knowledge (ZK) proofs, which are crucial for securing transactions.
The upgrade focused on backend improvements to handle growing developer and user interest. It was a proactive measure to strengthen the network's foundation, allowing it to support more complex DeFi applications and higher transaction volumes reliably.
What this means: This is bullish for MERL because it makes the underlying network more robust and efficient. Users can expect fewer disruptions, faster processing of complex transactions, and a better overall experience for decentralized apps, which could attract more projects to build on Merlin.
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2. Mainnet Fork 12 Upgrade (26 June 2025)
Overview: This was a major version jump, moving the chain from "Fork 9" to "Fork 12." It overhauled the network's core architecture to significantly boost performance, reliability, and infrastructure.
Key changes included replacing the legacy sequencer with a new zkEVM-optimized system for higher transaction throughput. The team also migrated the RPC (Remote Procedure Call) infrastructure to CDK-Erigon, which improves node stability and provides a smoother experience for users and developers interacting with the chain.
What this means: This is bullish for MERL because it translates to a faster, more reliable network. Everyday users should experience quicker transaction confirmations and a more stable connection when using wallets and dApps, making the ecosystem more competitive.
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3. Upcoming Fork 12 & PoS Transition (Mid-2026)
Overview: An upcoming upgrade promises to increase transaction throughput by 50-60x by using advanced recursive ZK proofs. Concurrently, the network plans a fundamental shift from its current security model to a Proof-of-Stake (PoS) system.
The PoS transition will allow MERL holders to stake their tokens to help secure the network, with a 7-day withdrawal period. This is designed to lower barriers to participation, increase the number of validator nodes, and drive decentralization.
What this means: This is bullish for MERL because it aims to solve network congestion while empowering token holders. Users could earn rewards through staking, and the entire network may become faster and more decentralized, increasing its long-term value and security.
(Source)
Conclusion
Merlin Chain's development trajectory is firmly focused on scaling throughput and decentralizing network security through foundational upgrades. How will the shift to a staking-based security model impact MERL's utility and holder engagement post-upgrade?