Deep Dive
1. Mainnet Upgrade to Fork 12 (June 2025)
Overview: This was a major infrastructure overhaul that replaced the old transaction processing system. For users, it meant a more reliable network with faster finality.
The upgrade moved the chain from Fork 9 to Fork 12, introducing a new sequencer architecture optimized for zkEVM. It also migrated the RPC infrastructure to improve node stability and added a new smart contract feature for greater protocol flexibility. The combined effect was a significant boost in transactions per second (TPS) and more efficient generation of zero-knowledge proofs.
What this means: This is bullish for MERL because it directly improves the network's performance, making it faster and more reliable for decentralized applications. A stronger technical foundation can attract more developers and users to the ecosystem.
(Merlin Chain)
2. Announcement of Merlin Chain 2.0 (July 2025)
Overview: This upgrade blueprint focuses on improving how users interact with the Bitcoin ecosystem, hiding technical complexities to make using dApps simpler.
Key features include chain abstraction, which allows users to manage assets across different protocols without handling multiple wallets, and the integration of AI to optimize network operations and security.
What this means: This is neutral to bullish for MERL as it represents a long-term vision to improve usability and unlock Bitcoin's liquidity. If successfully executed, it could drive much broader adoption, but the benefits are dependent on future implementation.
(BitcoinWorld)
3. Upcoming Fork 12 & Proof-of-Stake Transition (2026)
Overview: This future upgrade, slated for the next 1-2 months, promises a dramatic 50-60x increase in transaction throughput to eliminate network congestion. It also includes a shift to a Proof-of-Stake (PoS) model.
The performance leap is powered by advanced recursive ZK proofs. The PoS transition will enable MERL holders to stake their tokens to help secure the network, with a 7-day withdrawal period, lowering barriers to participation.
What this means: This is bullish for MERL because it tackles scalability head-on, promising a much smoother experience during high demand. The new staking utility could also create a new source of demand for the token, encouraging long-term holding.
(Merlin Chain)
Conclusion
Merlin Chain's development is strategically layered, having recently solidified its infrastructure and now pushing toward radical scalability and user-centric features like staking. Will the upcoming throughput increase be enough to capture the next wave of Bitcoin L2 activity?