Washington Attorney General Nick Brown filed a civil lawsuit against KalshiEx LLC this week in King County Superior Court, arguing the platform's event contracts qualify as illegal gambling under state law. The complaint focuses on binary contracts priced from $0.01 to $0.99 that pay $1 to winners and $0 to losers, and seeks an injunction, restitution, disgorgement, and per-violation civil penalties.

Bitdeer said its Norway unit has signed a build contract with Data Center Installations AS to convert the Tydal facility into a 180 MW AI co-location data center, with completion targeted for December 2026. The project is designed around Nvidia’s Vera Rubin GPU architecture and will use 100% carbon-free hydro power, immersion cooling, and heat reuse for nearby food production.

Aave Labs launched Aave V4 on Ethereum on March 30, 2026, introducing a modular "hub-and-spoke" design that centralizes liquidity while enabling separate spoke markets with distinct risk settings. The update aims to broaden supported collateral by containing insolvency risk within individual hubs, and new spoke deployments will initially be gated through DAO governance before any potential move toward permissionless creation.

On March 30 in Washington, a Chainalysis report said crypto transactions connected to buying low-cost military drones and parts can be traced across public blockchains. The analysis linked payments of $2,200 to $3,500 to specific drone-related listings on e-commerce platforms and noted pro-Russia groups have raised more than $8.3 million in crypto donations since 2022, while describing crypto as a secondary channel versus conventional payments.

On 30 March 2026, Universal Digital's USDU began trading on Crypto.com after being registered with the Central Bank of the UAE as a Foreign Payment Token. The USD-backed stablecoin operates under ADGM's FSRA licensing and CBUAE registration and is limited to institutional and professional users, not retail. USDU is an ERC-20 on Ethereum backed 1:1 by US dollar reserves held at Emirates NBD and Mashreq, with monthly attestations; as of late March 2026 its market cap was between $97.5 million and $98.8 million.

Canada's federal government introduced Bill C-25 on March 26, a proposal that would ban cryptocurrency donations across the political system as part of a wider election reform package. The measure would bar crypto contributions to parties, candidates, riding associations, leadership contestants, and third-party advertisers, citing traceability and foreign-interference risks. The bill has passed first reading and still needs to clear additional legislative steps to become law.

Midas said it raised $50 million in a Series A led by RRE and Creandum, with additional backing from a mix of crypto and institutional investors. The company also unveiled Midas Staked Liquidity, a redemption facility with up to $40 million of initial capacity aimed at delivering instant liquidity for tokenized assets across DeFi and CeFi venues.

Aave has rolled out V4 on Ethereum mainnet, introducing a hub-and-spoke structure aimed at supporting real-world-asset collateral and fixed-rate credit products while keeping liquidity centralized. The update adds governance-controlled "spoke" markets with separate collateral rules and risk parameters, and launches with partners including Lido, EtherFi, Kelp, Ethena, and Lombard. Chainlink is the exclusive oracle provider, and Aave Labs also introduced Aave Pro as the primary interface for V4 markets at launch.