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Alex Gluchowski, co-founder and CEO of Matter Labs, the creator of zkSync, has refuted allegations of copying code from Polygon Zero after the zero-knowledge scaling company accused it of using their code without appropriate credit.
On August 3, Polygon Zero released an extensive blog post asserting that Matter Labs had replicated what they referred to as “performance-critical components” of their zero-knowledge system known as “Plonky2.” The code was reportedly found in Matter Labs’ newly launched proving system called “Boojum,” without acknowledgment of the original authors, according to Polygon Zero.
The firm stated that such actions are harmful to the developer ecosystem. It emphasized that this could adversely affect smaller development teams, as better-funded rivals might easily appropriate their work without due credit. It stated:
“Copying source code without attribution and making misleading claims about the original work contradicts the open-source ethos and damages the ecosystem.”
In response to the claims, Gluchowski rejected the notion that they merely copy-pasted the code. The executive addressed the concerns raised by Polygon Zero in a detailed post on X (formerly Twitter). According to Gluchowski, every choice made in the development of zkSync was rooted in integrity and transparency.
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Every decision we make as a team towards building @zksync is driven by our ethos, which is based on integrity and transparency. We have made honest mistakes in the past, but we always did our best to openly acknowledge them and take responsibility. And will always do so in the… https://t.co/4yjpSCHC2d
— Alex G. ∎ (@gluk64) August 4, 2023
The CEO of Matter Labs remarked that the enthusiasm of the Polygon Zero team for their work might have resulted in hasty arguments and incorrect statements. “Today’s accusations are unfounded, misleading, and extremely disappointing coming from a team I highly respect,” he stated.
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Gluchowski explained that both Plonky2 and Boojum are implementations of the RedShift construction, which was introduced by Matter Labs three years prior to the Plonky2 paper. The executive asserted that the developers of Plonky2 did not credit them but did mention Redshift in their paper.
Nevertheless, the CEO acknowledged that it “could have done it better” and expressed that they would adopt the more conventional approach for attribution suggested by the community.
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