Premia Labs vaults on Arbitrum lost $437,000 in collateral to an exploit. The stolen funds were routed through the protocol's own options pools, then cashed out as liquidity, security firm Blockaid found.
An attacker hijacked Ostium's price oracle and traded on quotes from the future, draining between $18 million and $24 million from the Arbitrum DeFi exchange in about five minutes.
Robinhood went live with its own Ethereum Layer 2 network on July 1, offering 24/7 trading in tokenized U.S. stocks across 120+ countries, perpetual futures, and AI agent accounts powered by the Trading MCP protocol.
Arbitrum, Base, and Optimism have become part of the standard user flow in 2026. We break down which L2 networks make sense for a crypto exchanger right now — and which ones to wait on.
