‼️ Due to the Merlin Chain Mainnet Upgrade,
Free Protocol will temporarily pause both
#FreeTunnel and
#FreeExpress bridge services involving Merlin Chain starting June 26 (02:00 UTC)
🛠 We’ll resume the service promptly once the upgrade is complete. Thanks for understanding!
Merlin Chain Mainnet Upgrade Announcement
Upgrade Time Window:
📅2025-06-26 · 02:00–14:00 UTC
Notice:
❗️To avoid potential loss, please refrain from conducting any on-chain transactions during the upgrade.
This upgrade moves Merlin from Fork 9 to Fork 12, which is a major leap in performance, reliability, and infrastructure.
🛠 What’s New in This Upgrade:
🔸 New Sequencer Architecture
- Replaces legacy systems with zkEVM-optimized transaction sequencing and customizable components (consensus, state management).
- Enables higher throughput and tailored chain configurations for Merlin Chain.
🔸 RPC Infrastructure Upgrade
- Migration to CDK-Erigon RPC
- Smoother on-chain experience & improved node stability
🔸 Smart Contract Enhancements
- New rollbackBatches feature for greater protocol flexibility
⚡️ Performance Boost
- Significantly higher TPS
- Faster & more efficient ZK proof generation