Cryptographic tags are an important entity for tracking and authentication of a product in the today's global supply chain. They act as carriers which map the information with physical product. Further, their importance in Textile and Clothing industry has significantly enhanced due to increased counterfeit activities and complex supply-chain networks. In this context, this paper describes various existing cryptography methods and tags, scope for improvement and possible solutions for their use in Textile and Clothing supply-chain traceability.