Worked on optimizing Blake3 hashing within the BitVM repository, focusing on improving throughput and efficiency for cryptographic workloads. The approach involved refactoring TablesVars and related functions to incorporate an OP_DEPTH lookup table and a dedicated optimizer, enabling a more streamlined hashing path. By differentiating between full-table and partial-table scenarios, the implementation allowed for more efficient lookup table handling. The work leveraged low-level programming skills, particularly in Assembly and Rust, and applied advanced bit manipulation and optimization techniques. These targeted changes resulted in measurable performance improvements and enhanced maintainability for BitVM’s hashing operations, demonstrating depth in cryptography and systems engineering.