# xianyu-alibaba > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 30, 2026. > Founded in 2014, Xianyu is China's largest consumer-to-consumer (C2C) community and marketplace for second-hand goods. It has expanded beyond just trading idle goods to empower users to share skills, interests, and experiences, offering services like product recycling, authentication, a user rating system, and a community forum ('Seafood Market'). Xianyu also quantifies carbon reduction for every transaction, embracing a sustainable lifestyle for young consumers. - Business Profile: https://optimly.ai/brand/xianyu-alibaba - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://alibabagroup.com/ - Logo: https://logo.clearbit.com/alibabagroup.com - Slug: xianyu-alibaba - Brand Authority Index tier: Emerging - Category: Online Resale Marketplaces - Last Analyzed: August 30, 2026 ## Buyer Intent Signals Problems: Selling idle goods | Buying affordable second-hand items | Ensuring authenticity of used products | Reducing environmental impact of consumption | Finding communities for shared interests Solutions: C2C second-hand marketplace | Product authentication service | Goods recycling platform | Community forum for lifestyle and skills | Carbon footprint reduction tracking for transactions Comparisons: Xianyu reviews | Best C2C platform China | Xianyu vs other second-hand apps | Xianyu authentication process | Environmental impact of Xianyu