ARB news
Shopify Payments Switches On USDC Checkout on Arbitrum for 480 Wallets
Shopify Payments now accepts USDC on Arbitrum with no buyer gas fees, extending stablecoin checkout to a fifth network and roughly 480 supported wallets.
5,600 AI Agents and $200M in Volume: Robinhood's L2 Just Had the Fastest Startup
Virtuals Protocol crossed $200 million in agent trading volume on Robinhood Chain in under 30 days, with 5,600 agents deployed and $2.7 million raised for builders.
Ostium's Oracle Signer Key Signed A Future-Dated Report, Looped It 20 Times, Drained $24M From The OLP Vault
An attacker with Ostium's oracle signer key submitted a future-dated price report through the PriceUpKeep Forwarder, looped ~20 delegated trades, and drained roughly $24M from the OLP vault. TVL fell from $32.7M to $9M. The smart contracts did exactly what they were told.
AFX Trade Called Its Bridge A Multi-Sig. Five Hot Keys Signed $24.15M Of USDC Out In One Transaction
AFX Trade lost $24.15M USDC after five hot validator keys cleared the bridge's 2/3 quorum and authorized a single transfer. Funds were bridged to Ethereum and swapped for roughly 12,467 ETH. Arbitrum's native bridge was untouched.
GMX Multichain Unlocks GM Pools Across Every Major EVM, Real Yield Follows
GMX is progressively opening access from Binance Chain, Berachain, Ethereum mainnet, Sonic, Linea, ApeChain, and more, exporting the GM pool primitive that already sends 63 percent of protocol fee revenue to LPs.
Every Orbit L2 Now Sends 10 Percent Of Fees Back To Arbitrum Treasury
Offchain Labs confirmed 10 percent of every Orbit-based Layer 2 fee (8 to ARB treasury, 2 to development) flows back to Arbitrum, on top of 100 percent of Arbitrum One's own fees. Robinhood Chain is the first at scale.
Robinhood Chain Hits 3.9B DEX Volume as MetaMask Adds Support
Robinhood Chain saw 3.9 billion dollars in DEX volume on July 15, and MetaMask has officially added support for the Arbitrum Orbit L2 that launched mainnet on July 1.
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