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![HeisMaximun Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1891646418458148864.png) 𝙈𝙖𝙭𝙞𝙢𝙪𝙣✍️🔥 [@HeisMaximun](/creator/twitter/HeisMaximun) on x XXX followers
Created: 2025-07-25 07:43:37 UTC

𝗪𝗵𝗮𝘁 𝗗𝗶𝗱 𝗜 𝗛𝗲𝗮𝗿 𝗔𝗯𝗼𝘂𝘁 𝗕𝗢𝗕??

𝑬𝒗𝒆𝒓𝒚𝒐𝒏𝒆'𝒔 𝒕𝒂𝒍𝒌𝒊𝒏𝒈 𝒂𝒃𝒐𝒖𝒕 𝒁𝒆𝒓𝒐-𝑲𝒏𝒐𝒘𝒍𝒆𝒅𝒈𝒆 (𝒁𝑲) 𝒕𝒆𝒄𝒉, 𝒃𝒖𝒕 𝑩𝑶𝑩 𝒊𝒔𝒏'𝒕 𝒋𝒖𝒔𝒕 𝒕𝒂𝒍𝒌𝒊𝒏𝒈... 𝒊𝒕'𝒔 𝒅𝒆𝒍𝒊𝒗𝒆𝒓𝒊𝒏𝒈.
This isn’t theory. It’s execution.

BOB is the first blockchain to ship two major ZK breakthroughs in rollup tech:

1° ZK Fraud Proofs
~ First rollup to implement them
~ Compresses bulk transactions into an efficient, trust-minimized flow
~ Combines the speed of validity rollups with the cost-efficiency of optimistic rollups

2° Validity Proofs on Demand
~ Instant Ethereum finality on user-triggered exits
~ No waiting games

Powered by OP Kailua, a next-gen OP Stack extension
Built by @RiscZero, turbocharged with ZK by @boundless_xyz, with infra from @conduitxyz

Don’t miss it. BOB is approaching Stage X & X on @l2beat.

 🎙️🗓️Join the livestream: July XX
Learn from the teams: BOB × Risc Zero × Boundless × Conduit

 @build_on_bob  @Cookie3_com

![](https://pbs.twimg.com/media/Gwr_IJ9WkAAe0xe.jpg)

XXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948650329114919400/c:line.svg)

**Related Topics**
[rollup](/topic/rollup)
[blockchain](/topic/blockchain)
[bob](/topic/bob)

[Post Link](https://x.com/HeisMaximun/status/1948650329114919400)