Popular Ethereum wallet MetaMask adopts new software license as firm eyes commercial opportunities

MetaMask, the popular Ethereum wallet service, has migrated its open-source code under a new limited license, the firm announced Friday.

In a blog post, MetaMask explained that "despite open source software solving critical shared problems, fair compensation for the maintenance of these community goods remains a problem." MetaMask's code was originally published under a permissive MIT license, which enables developers to fork and reuse with very limited restrictions. Its new license, however, seeks to prevent commercial entities — those with over 10,000 monthly active users — from using its software for free.

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