During February 2026, Daniel Axelsen developed a layered encoding decoding feature for the trufflesecurity/trufflehog repository, focusing on detecting secrets hidden within multiple encoding layers. He designed an iterative decoding pipeline in Go, supporting base64, UTF-16, and escaped unicode, with configurable depth to balance thoroughness and performance. The implementation included a depth-limited approach and early exit logic, ensuring less than five percent overhead on large scans. Daniel refactored the decoding loop for maintainability, decoupling core logic and improving readability. He also contributed documentation and performance instrumentation, enhancing future optimization and onboarding for backend development and data processing workflows.