Arbitrum

Orbit

ZKsync

<p>GenLayer (<a href="https://x.com/GenLayer" rel="noopener noreferrer nofollow">@GenLayer</a>) is turning to Arbitrum (<a href="https://x.com/arbitrum" rel="noopener noreferrer nofollow">@arbitrum</a>) <a href="https://x.com/search?q=%24ARB&amp;src=cashtag_click" rel="noopener noreferrer nofollow">$ARB</a> for its token and public network after years of building alongside ZKsync (<a href="https://x.com/zksync" rel="noopener noreferrer nofollow">@zksync</a>) <a href="https://x.com/search?q=%24ZK&amp;src=cashtag_click" rel="noopener noreferrer nofollow">$ZK</a>. The AI-focused blockchain project says Arbitrum offers battle-tested public infrastructure for its next stage.</p>
<p>The team said its collaboration with ZKsync will continue on Prividium and enterprise projects. GenLayer's next development phase, Bradbury, is now live.</p>
<h2 id="from-zksync-to-arbitrum">From ZKsync to Arbitrum</h2>
<p>The shift marks a change from GenLayer's original setup. In January 2025, GenLayer announced the GenLayer Chain as powered by ZKsync, with its AI-driven contracts set to run across the Elastic Network. CoinDesk reported in April 2025 that the chain was powered by ZKsync, an Ethereum layer 2 solution, and had 1,000 validators, each connected to a large language model (LLM).</p>
<p>GenLayer's public documentation now reflects the move. A pull request in the project's docs repository replaces descriptions of a zkSync chain with an Arbitrum Orbit chain. It says consensus v0.6 runs on a custom-gas-token Arbitrum Orbit chain that settles to Ethereum, with GEN as the native gas token.</p>
<h2 id="what-bradbury-means-for-genlayer">What Bradbury means for GenLayer</h2>
<p>Bradbury is the project's latest testnet and a step toward mainnet. According to Stakely, it aims to coordinate blockchain consensus with AI models and non-deterministic inference in a decentralized network. GenLayer's own announcement says that during the earlier Asimov phase the team laid the infrastructure foundations, while Bradbury adds LLM inference.</p>
<p>GenLayer's pitch is a trust layer for AI-native applications. Its brand announcement describes Optimistic Democracy, a consensus mechanism in which validators powered by diverse AI models reach agreement through majority voting and escalating appeals.</p>
<p>The move gives Arbitrum another AI-focused project in its ecosystem, while ZKsync keeps a role in GenLayer's enterprise work. GenLayer's docs note that Asimov and Bradbury will keep their current endpoints until they upgrade to v0.6.</p>
<h2 id="sources">Sources</h2>
<p><a href="https://github.com/genlayerlabs/genlayer-docs/pull/671" rel="noopener noreferrer nofollow">GenLayer docs: move GenLayer Chain from zkSync to Arbitrum Orbit</a></p>
<p><a href="https://www.coindesk.com/tech/2025/04/30/ai-powered-court-system-is-coming-to-crypto-with-genlayer" rel="noopener noreferrer nofollow">CoinDesk: Synthetic Court System Coming to Crypto with GenLayer</a></p>
<p><a href="https://stakely.io/blog/genlayer-launches-bradbury-testnet-for-ai-in-blockchain-consensus" rel="noopener noreferrer nofollow">Stakely: GenLayer launches Bradbury testnet</a></p>

Arbitrum Lands GenLayer in Major AI Blockchain Play

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