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ARBITRUM news

Curated crypto headlines with the on-chain context most tools skip. Written by the team behind Koinlytics.
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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.

USDCARBstablecoinpaymentsAug 1, 2026

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.

USDCETHARBostiumarbitrumJul 23, 2026

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.

ETHUSDCARBafx-tradearbitrumJul 23, 2026

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.

ARBETHarbitrumorbitJul 21, 2026

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.

ARBETHdefil2Jul 20, 2026

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