This week on NiftyNoon:

• Coinbase launches "Coinbase for Agents" — AI assistants can now autonomously execute trades, rebalance portfolios, and pay for services with USDC via the x402 protocol, marking a massive bet on agentic finance

• Mastercard unveils Agent Pay for Machines (AP4M) — a multi-rail settlement system integrating stablecoins on Polygon, Solana, and Base for autonomous machine-to-machine commerce

• Anthropic's Claude Mythos-class AI hits the public — compressing exploit timelines for DeFi while equally arming protocol defenders with machine-speed auditing capabilities

• The Clarity Act stalls — Galaxy drops Senate passage odds to 60%, JPMorgan under 50%, as 200+ crypto organizations push for a floor vote before August recess

• Zcash crashes 48% after "infinite mint" vulnerability disc ...