Core Viewpoint - The emergence of "filling studio" operations has led to the illegal sale of real-name online accounts, posing significant risks to both individuals and online platforms [1][5]. Group 1: Filling Studio Operations - Filling studios recruit numerous part-time workers to register new user accounts and download apps, thereby boosting platform data and earning promotional commissions [1]. - The process involves enticing advertisements promising easy earnings, collecting personal information, and registering accounts that are later sold illegally [2]. Group 2: Risks to Part-time Workers - Part-time workers, initially seeking easy income, unknowingly become sellers of their personal information, facing potential legal repercussions if their accounts are misused [3]. Group 3: Impact on Online Platforms - The sale of real-name accounts undermines user trust, which is crucial for the survival and growth of online platforms, leading to potential user attrition [4]. - If platforms knowingly utilize these problematic accounts, they may be implicated in criminal activities and face legal consequences [4]. Group 4: Criminal Activities and Social Threats - The illegal sale of real-name accounts acts as a catalyst for crime, enabling fraud and manipulation of online marketplaces through fake reviews and misleading information [5]. - Criminals exploit these accounts to engage in various illegal activities, further disrupting social order [5]. Group 5: Security Vulnerabilities in Account Registration - The lack of robust verification processes in account registration allows criminals to exploit personal information linked to real-name accounts, leading to potential identity theft [6]. - Many platforms have inadequate monitoring of account usage, failing to detect illegal activities conducted through these accounts [6].