Update README.md

Author: Marktechpost

README.md

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 ▶ An Intelligent Conversational Machine Learning Pipeline Integrating LangChain Agents and XGBoost for Automated Data Science Workflows [Codes](https://github.com/Marktechpost/AI-Tutorial-Codes-Included/blob/main/AI%20Agents%20Codes/LangChain_XGBoost_Agentic_Pipeline_Tutorial_Marktechpost.ipynb) [Tutorial](https://www.marktechpost.com/2025/10/07/an-intelligent-conversational-machine-learning-pipeline-integrating-langchain-agents-and-xgboost-for-automated-data-science-workflows/)
 
+▶ A Coding Guide to Build an AI-Powered Cryptographic Agent System with Hybrid Encryption, Digital Signatures, and Adaptive Security Intelligence [Codes](https://github.com/Marktechpost/AI-Tutorial-Codes-Included/blob/main/AI%20Agents%20Codes/AI_Crypto_Agent_Secure_Comms_Marktechpost.ipynb) [Tutorial](https://www.marktechpost.com/2025/10/16/a-coding-guide-to-build-an-ai-powered-cryptographic-agent-system-with-hybrid-encryption-digital-signatures-and-adaptive-security-intelligence/)
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 ▶ How to Build an Advanced Agentic Retrieval-Augmented Generation (RAG) System with Dynamic Strategy and Smart Retrieval? [Codes](https://github.com/Marktechpost/AI-Tutorial-Codes-Included/blob/main/AI%20Agents%20Codes/agentic_rag_tutorial_marktechpost.py) [Tutorial](https://www.marktechpost.com/2025/09/30/how-to-build-an-advanced-agentic-retrieval-augmented-generation-rag-system-with-dynamic-strategy-and-smart-retrieval/)
 
 ▶ A Coding Guide to Build a Hierarchical Supervisor Agent Framework with CrewAI and Google Gemini for Coordinated Multi-Agent Workflows [Codes](https://github.com/Marktechpost/AI-Tutorial-Codes-Included/blob/main/AI%20Agents%20Codes/supervisor_framework_crewai_gemini_marktechpost.py) [Tutorial](https://www.marktechpost.com/2025/09/30/a-coding-guide-to-build-a-hierarchical-supervisor-agent-framework-with-crewai-and-google-gemini-for-coordinated-multi-agent-workflows/)