#FIL# FIL Builders shared practical work by developers in technology promotion; over 400 developers participated in the Orbit workshop during Hack4Bengal 4.0, discussing how to use Filecoin for AI training data storage. Akave launched on the Avalanche Mainnet, providing on-chain logs and file storage services, with cold data handled by Filecoin; Storacha supports fast public file access, adapting to AI and Bots applications; Lava RPC offers free Filecoin access; the Numbers protocol has registered over 100,000 archives with Timestamp proof. CryptoModels 1.1.0 has added the FLUX model and supports proxy code storage, all hosted on Filecoin. FilCDN is about to launch on the Mainnet, unifying the developer file retrieval entry.