Tether's $344M Freeze, NY AG vs. Prediction Market, & $292M KelpDAO Heist

The third week of April marked one of the most volatile stretches of 2026 for decentralized finance, as a major bridge exploit collided with accelerating institutional stablecoin adoption.Kelp DAO’s rsETH bridge was drained for roughly $292 million, triggering a broader DeFi contagion event that wiped more than $13 billion from sector TVL and forced multiple protocols to freeze rsETH-related markets. At the same time, Stripe-backed Tempo expanded stablecoin payment infrastructure with major enterprises, while Tether carried out its largest freeze to date in coordination with U.S. authorities.Regulatory pressure also intensified as New York sued Coinbase and Gemini over prediction markets, even as federal efforts continued pushing toward clearer national frameworks.In this episode:• Kelp DAO suffers a $292M bridge exploit• DeFi TVL drops more than $13B in contagion fallout• Aave and other protocols freeze rsETH-related markets• Tempo brings enterprises onto stablecoin payment rails• Tether freezes $344M USDT with U.S. authorities• New York targets Coinbase and Gemini over prediction marketsDeFi is still structurally fragile — but stablecoin infrastructure keeps advancing at institutional speed.