Gold Finance reported that Risc Zero, a zero-knowledge software developer, tweeted that its Ethereum open-source ZK block prover Zeth has integrated the Optimism infrastructure. It supports the construction and export of Optimism blocks that can be proven from the Ethereum mainnet, verifies concise proofs on-chain, and brings ZK fraud and validity proof development into the OP Stack. The integration leverages revm, alloy, and etherscrates.

🎉 A Warm Welcome to Dr.Han on Gate Square!
Dr.Han — Founder of Gate and a seasoned crypto industry observer — is now officially sharing insights on Gate Square!
📢 Follow Dr.Han and like or comment on his latest post for a chance to win!
👉 Post: https://www.gate.com/post/status/11966645
👉 Profile: https://www.gate.com/profile/Dr_Han
🎁 Giveaway Alert:
We’ll randomly select 10 lucky users from those who follow + like/comment to receive a limited-edition Gate T-shirt — the same style worn by Dr.Han!
(If shipping is unavailable in your region, a $50 Futures Voucher will be provided instead.)
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🔥 Gate Square #Gate Alpha Third Points Carnival# Trading Sharing Event is Live!
Share Alpha trading highlights screenshots with #Gate Alpha Trading Share# to split $100!
🎁 10 lucky users * 10 USDT each
📅 July 4, 4:00 – July 20, 16:00 UTC+8
Don’t forget—the main Alpha Points Carnival prize pool is up to $1,000,000!
Trade and post for double the chances to win!
Learn more: https://www.gate.com/announcements/article/45908

🎉 Gate xStocks Trading is Now Live! Spot, Futures, and Alpha Zone – All Open!
📝 Share your trading experience or screenshots on Gate Square to unlock $1,000 rewards!
🎁 5 top Square creators * $100 Futures Voucher
🎉 Share your post on X – Top 10 posts by views * extra $50
How to Participate:
1️⃣ Follow Gate_Square
2️⃣ Make an original post (at least 20 words) with #Gate xStocks Trading Share#
3️⃣ If you share on Twitter, submit post link here: https://www.gate.com/questionnaire/6854
Note: You may submit the form multiple times. More posts, higher chances to win!
📅 July 3, 7:00 – July 9,

#GateSquareGiveaway# - Spot the Differences 👀
GM ☕ Our frog friend has two slightly different mornings—can you find all the changes?
💰 $10 Futures Voucher * 5 winners
To join:
🔹Follow Gate_Square
🔹Like this post and drop your answer in the comments
📅 Ends at 16:00 PM, July 7 (UTC)