Arseny Mitin focused on advancing the near/NEPs repository by implementing NEP-616, which introduces deterministic AccountId derivation for sharded smart contracts using StateInit and enhanced refund mechanisms. Leveraging Rust and his expertise in blockchain architecture and protocol design, he enabled backwards-compatible account creation, address verification, and streamlined contract deployment. His work added a new StateInit action, improving contract composability and lifecycle management while reducing deployment overhead for complex contract designs. Throughout the month, Arseny maintained code quality by monitoring for regressions and ensuring robust CI testing, demonstrating depth in both technical implementation and alignment with NEP-616’s architectural goals.