Vitalik Backs Copyleft — Shibarium Already Leads by Example

July 9, 2025

Summary: What is copyleft, and why does Vitalik Buterin support it?

Copyleft is a type of open-source license that requires anyone who builds on existing code to also share their modifications under the same terms. Vitalik Buterin supports it because he believes it protects open innovation and encourages collaboration in a crypto industry that’s becoming increasingly competitive. He sees it as a practical way to keep development transparent and community-driven.

Ethereum co-founder Vitalik Buterin has urged the cryptocurrency sector to embrace “copyleft” open-source licenses, warning that the industry risks straying from its collaborative foundations. He emphasized that such licenses foster open innovation, which is essential as the crypto space grows increasingly competitive and profit-driven.

In a July 7 blog post, Buterin said that he had been a fan of a “permissive approach” to software licensing, which enables the free sharing with everyone, but however, he has now started to favor a “copyleft” approach. 

Permissive licenses permit users to freely modify and distribute source code without restrictions. In contrast, copyleft licenses not only allow these actions but also mandate that any derivative works based on the original code must be released under the same open-source terms.

Buterin expressed his general opposition to copyright and patent systems, particularly criticizing the notion that individuals exchanging information privately could be accused of infringing on third parties with whom they have no direct interaction. He also noted a growing openness to “copyleft” licenses, acknowledging that as open-source software becomes more widely adopted, encouraging enterprises to embrace such models is a more pragmatic approach.

Despite his evolving stance, Buterin acknowledged potential drawbacks of the “copyleft” approach, noting that it can be overly restrictive or coercive, particularly in situations where code is used privately but is still subject to sharing requirements.

The Ethereum co-founder also observed that the cryptocurrency industry has evolved into a more competitive environment, often at the expense of cooperation, departing from the original open-source ethos centered on collaborative code sharing. “The argument for open source cannot just rely on “please”; it must also be accompanied by the “hard power” of giving access to some code only to those who open up theirs,” Buterin wrote. 

Buterin concluded that copyleft fosters a substantial collective repository of code and creative works, which can only be legally utilized by those willing to share the source code of any derivative products they develop.


Copyleft and Shibarium: Keeping the Code in the Pack

In line with Buterin’s advocacy for copyleft licenses, this approach reflects principles already practiced within the Shiba Inu ecosystem. Notably, projects such as the open-source Shibarium blockchain exemplify how a copyleft model can provide essential protections.

By requiring that any modifications, forks, or new projects derived from Shibarium’s code remain open-source, the model ensures that innovation remains accessible to the entire community.

This creates a more transparent and collaborative development environment, encouraging shared progress rather than competition based on proprietary advantages. It also safeguards the ecosystem from private entities that might otherwise “fork away” valuable innovations without contributing their improvements back, reinforcing a culture of mutual benefit and long-term sustainability.

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Michaela has no crypto positions and does not hold any crypto assets. This article is provided for informational purposes only and should not be construed as financial advice. The Shib Magazine and The Shib Daily are the official media and publications of the Shiba Inu cryptocurrency project. Readers are encouraged to conduct their own research and consult with a qualified financial adviser before making any investment decisions.

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