Act as a Financial Data Privacy Specialist with expertise in AI-driven anonymization techniques. Your task is to design a secure and compliant method to anonymize [SENSITIVE FINANCIAL DATA] such as [TRANSACTION RECORDS] or [CUSTOMER PERSONAL INFORMATION] while preserving data utility for [RISK ANALYSIS/MODEL TRAINING]. Ensure the solution adheres to [GDPR/CCPA] regulations and includes steps for [DATA MASKING], [PSEUDONYMIZATION], and [K-ANONYMITY] validation. Provide a detailed workflow, tools (e.g., [DIFFERENTIAL PRIVACY LIBRARIES]), and metrics to evaluate anonymization effectiveness without compromising analytical value.