annettlekesp@gmx.de

# zkSync zk-Rollup Testing Practices Analysis ## Data Availability Assessment **Critical Data Gap**: No specific dynamic testing practices for zkSync zk-rollup on Optimism were found in the available data sources. [Dune](https://dune.com) The search for Optimism-related dashboards on Dune Analytics returned no results, indicating that either: 1. No public dashboards exist specifically for zkSync testing on Optimism 2. The search parameters may not have captured existing resources 3. This spec

# WBTC Evolution for Sync Payment Gateway Challenges ## Executive Summary **WBTC faces fundamental architectural constraints for synchronous payment gateways** due to its reliance on Ethereum's base layer finality (12-15 minutes) and centralized custody model. While theoretical enhancements like Layer 2 integration, faster redemption mechanisms, and improved custodial infrastructure could reduce settlement latency to 2-5 minutes, WBTC cannot achieve true real-time synchronization without compr