The UK government has sanctioned Xinbi, a Chinese-language crypto “guarantee marketplace,” aiming to cut the platform off from what it described as the legitimate crypto ecosystem. The measures include freezing any UK-linked assets and banning UK businesses and individuals from providing goods, services, loans or investments to Xinbi. Chainalysis estimates Xinbi processed more than $19.9 billion in illicit flows between 2021 and 2025.

US Representative Maxine Waters is seeking details on the Federal Reserve Bank of Kansas City's approval of a limited-purpose master account for Kraken Financial, after the Wyoming-chartered unit became the first crypto-native firm to obtain a Fed Master Account in March. In a Thursday letter, she asked Fed President Jeff Schmid to respond by April 10 on what services Kraken can use, what limits apply, and what anti-money laundering and consumer protection factors were reviewed.

The UK government is moving forward with a temporary moratorium on political donations made via cryptocurrencies, with amendments planned to the Representation of the People Bill and a "retrospective effect" from March 25. Once enacted, parties, candidates and MPs would have 30 days to return any unlawful donations received in the interim, and the ban would remain until Parliament and the Electoral Commission deem the rules robust enough for transparency and confidence.

Irish national police say the Criminal Assets Bureau accessed and seized a crypto wallet holding 500 BTC on Tuesday, with help from Europol’s European Cybercrime Centre. The CAB put the value at more than $35 million, while Arkham-labeled addresses tied to Clifton Collins show 500 BTC moving to Coinbase Prime the same day.

Hostplus, one of Australia's largest superannuation funds, is weighing whether to let members invest in cryptocurrencies after receiving requests for access to the asset class. The fund's CIO said the earliest rollout could be next financial year via its ChoicePlus platform, though the proposal remains in design and would require regulatory sign-off and consumer-protection work.

Bitmine Immersion Technologies chairman Tom Lee said on Monday that a months-long slump in Ether may be easing as the firm continued stepping up purchases over the past three weeks. The company bought 65,341 ETH last week for $139 million, lifting its total to more than 4.6 million Ether and moving it closer to a target of holding 5% of total supply.

NovaBay Pharmaceuticals said Monday it will rebrand as Stablecoin Development Corporation, and its shares climbed nearly 19% to $1.38 in the following session. The company said its ticker will switch from NBY to SDEV effective April 3, and disclosed holding two billion Sky (SKY) tokens as of March 16, plus 26.6 million SKY in cumulative staking rewards.

Bithumb is set to hold its regular shareholders' meeting on March 31, where investors will vote on a proposal to reappoint CEO Lee Jae-won, according to the Korea Times. Lee's current term ends at the end of the month, and approval would extend his tenure for another two years. The move comes after South Korea's Financial Intelligence Unit reportedly imposed a six-month partial suspension and a 36.8 billion won ($24.2 million) fine over alleged AML failures.

Galaxy Digital research analyst Will Owens said Thursday that quantum computing poses a real risk to Bitcoin holders, but most wallets are not currently exposed. He argued funds are mainly at risk only when a wallet's public key is revealed on-chain, either because it is already visible or because it becomes visible when spending.