Cross-Chain Rewards on Base + zkSync Era: Shipping LayerZero V2 to Heterogeneous L2s
What I learned building, auditing, and operating a reward distribution system that bridges from an AI-evaluated source chain into two very different Layer 2s, Base (OP Stack) and zkSync Era. Custom LayerZero V2 messaging, merkle-root bridging to dodge payload limits, and the gotchas only zkSync teaches you.