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Decentralized AI Model Marketplace ModelBazaar Launches: Developers Can Trade Trained AI Models Directly Without Platform Commission

Blockchain-based ModelBazaar allows AI developers to list and sell trained models directly, with buyers able to verify model performance online before purchase, at only 1% platform fees.

On July 1, 2029, decentralized AI model marketplace ModelBazaar officially launched. Running on Ethereum Layer 2, the platform allows AI developers to directly list, price, and sell trained models, with buyers able to test model performance online before purchasing.

ModelBazaar's core innovation is its "on-chain performance verification" mechanism. Sellers must submit standardized benchmark test results when listing, and the platform's validator nodes independently run these tests and store results on-chain. Model performance data visible to buyers is independently verified and tamper-proof.

Platform fees are just 1%, far below the 15-30% commission of centralized platforms like Hugging Face. On launch day, over 4,200 models were listed, covering natural language processing, computer vision, and speech recognition.

"We want AI models to be freely tradeable like apps in an app store, but without intermediaries taking most of the profit," said ModelBazaar founder Alex Kim, a former OpenAI researcher.

However, model copyright and intellectual property protection remain unresolved challenges — how can buyers ensure sellers are the legitimate owners of their listed models?