[ai16z Co-founder Clarifies Previously Released Pump.fun Code Is Not Open Source and Has No Right to Authorize Others to Use It] According to Foresight News, Shaw, co-founder of ai16z, tweeted that the code he previously released on the GitHub repository lalalune/pumpfun-source is not open source. The code does not belong to him, and he has never had the right to release, license, or authorize others to use it. The "Copyright (c) 2026 Shaw" license in the repository is invalid and does not grant any rights. He reminded users not to rely on related licenses or his previous statements as permission to use, copy, fork, modify, build, distribute, or otherwise dispose of the code, and pointed out that the pump.fun code is protected by copyright and should not be distributed or attempted to be reverse engineered. Foresight News notes that Bracket Company Inc., the parent company of Pump.fun, issued a cease and desist letter to Shaw on October 29th through the law firm Brown Rudnick. The original repository has since been deleted or made private, which is a common practice after receiving a cease and desist letter.