$ARBITRUM Catalyst Posts

Wu Blockchain @WuBlockchain · 2026-07-15T15:10:15+00:00

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RWA Perpetual Protocol Ostium Suffers Suspected $18 Million Exploit on Arbitrum Security firm Blockaid said it detected an exploit involving Ostium Vault on Arbitrum. According to Blockaid, the attacker used a registered PriceUpKeep forwarder and future-dated authorized oracle

AI visual analysis: A screenshot of a tweet from Blockaid (@blockaid_) announcing the detection of an Ostium Vault exploit on Arbitrum, reporting that an attacker used a registered PriceUpKeep forwarder and future-dated authorized oracle reports to trigger a ~$18M USDC payout.

❤️ 62 likes · 🔁 18 retweets · 💬 11 comments 👁️ 32.2K views

EdenFi @edenfi_onchain · 2026-07-15T16:28:14+00:00

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A truly rewarding and inspiring 3 days, can’t wait to continue building with @arbitrum So much more to come

AI visual analysis: An 'OPEN HOUSE London, United Kingdom' announcement powered by Arbitrum, listing Founder House Winners on the General Track: 1st place Liquida ($60K USDC), 2nd place The Risk Protocol ($40K USDC), and 3rd place EdenFi and Obolos ($20K USDC each).

❤️ 22 likes · 🔁 6 retweets · 💬 2 comments 👁️ 3.5K views

Agama @agamafinance · 2026-07-15T18:47:10+00:00

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Agama takes home the @RobinhoodApp Innovation Award at @arbitrum Founder House London RWA yield infrastructure that turns idle tokenized stocks into self-growing positions robinhood.agama.finance

AI visual analysis: The image announces the Open House Founder House Winners in London, UK (powered by Arbitrum), featuring the Robinhood Chain Track with two awards: the Founder-in-Residence Award ($60K USDC) won by Saffron, and the Innovation Award ($30K USDC) won by Agama Finance. This aligns with the post celebrating Agama's win of the Robinhood Innovation Award at Arbitrum Founder House London for their RWA yield infrastructure.

❤️ 20 likes · 🔁 7 retweets · 💬 7 comments 👁️ 2.8K views

Arbitrum @arbitrum · 2026-07-15T21:57:38+00:00

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❤️ 13 likes · 🔁 2 retweets · 💬 1 comments 👁️ 1.8K views

Mayan @mayan · 2026-07-15T12:02:01+00:00

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Thousands moved from @Arbitrum to @Solana in one second. That's Mayan.

❤️ 28 likes · 🔁 5 retweets · 💬 7 comments 👁️ 1.7K views

Arbitrum @arbitrum · 2026-07-15T21:57:17+00:00

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congrats! you guys absolutely crushed it

❤️ 6 likes · 🔁 1 retweets · 💬 0 comments 👁️ 711 views

Blockchain Daily News @blckchaindaily · 2026-07-15T15:00:47+00:00

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PERP DEX OSTIUM ON ARBITRUM EXPLOITED FOR ~$12-18M USDC VIA ORACLE SIGNER KEY COMPROMISE; ~35% OF $34M+ VAULT DRAINED

❤️ 1 likes · 🔁 0 retweets · 💬 1 comments 👁️ 311 views

Arbitrum @arbitrum · 2026-07-15T19:33:25+00:00

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Read why institutions are choosing a dedicated blockchain (L2) with the Arbitrum Platform: blog.arbitrum.io/l1-vs-l2-choos …

AI visual analysis: [caption-failed: minimax unavailable]

❤️ 0 likes · 🔁 0 retweets · 💬 0 comments 👁️ 53 views