The US Labor Department has proposed opening 401(k) retirement plans to cryptocurrency investment options, citing implementation of a Trump order. The proposal would change how plan fiduciaries evaluate and offer crypto exposures within workplace retirement accounts, according to the department's filing.

ChainCatcher reports that Lookonchain data shows Vitalik bought 157,869 ZCHF over the past six hours, spending 197,944 USDC. The average purchase price was about $1.25 per ZCHF.

Here are today's 10 key stories to know: 1) Trump told advisers he's open to ending the Iran war without reopening the Strait of Hormuz, according to The Wall Street Journal. 2) SpaceX is weighing whether to exclude Robinhood and SoFi from its closely watched IPO, Reuters reported. 3) Gold suffered its steepest monthly drop since October 2008, falling 15% in March even as the Iran war entered week five. An oil-driven inflation shock battered the safe-haven trade. 4) David Bailey's Bitcoin treasury firm Nakamoto Inc. sold 284 $BTC for about $20 million in March at an average price of $70,422 per Bitcoin, according to its 10-K. 5) Mitsubishi is adopting JPMorgan's Kinexys blockchain network for global corporate payments as the platform scales toward $10 billion in daily volume. 6) Forbes estimates Donald Trump's net worth at $6.5 billion as of March 2026, citing crypto gains, licensing revenue, and real-estate holdings. 7) The U.S. Labor Department proposed a rule aimed at making it easier for 401(k) plans to include alternative assets such as crypto, real estate, and private equity. 8) Senators Bill Cassidy and Cynthia Lummis introduced the "Mined in America Act" to support U.S. crypto mining, reduce reliance on foreign hardware, and codify a Strategic Bitcoin Reserve. 9) U.S. bonds rallied as traders moved to price in Fed rate cuts after Jerome Powell said the central bank has limited control over supply-driven inflation, Bloomberg reported. 10) Binance said it will launch oil and gas futures on April 1 with leverage of up to 100x.

Polymarket's move to build on Polygon has delivered a major lift to the $POL ecosystem. Citing a post by @stacy_muur, as of March 2026 Polymarket is responsible for 55% of transactions and 67% of gas fees on Polygon. With Polygon increasingly positioning itself around payments and stablecoins, any decision by Polymarket to migrate off the network could materially alter Polygon's headline usage metrics.

Senators Cynthia Lummis and Bill Cassidy have introduced the "Mined in America Act," a Republican-backed bill aimed at strengthening digital asset mining in the United States and cementing a national strategic Bitcoin reserve. The proposal would codify President Donald Trump's executive order establishing the reserve and fund it with BTC seized by the Department of the Treasury through judicial and civil actions. Sponsors say the effort supports the broader push to make the U.S. the "crypto capital of the world" by expanding mining's role in the domestic economy. Investors are watching closely, as decisions around federal BTC holdings can influence the sector's overall market capitalization. The U.S. mining network already accounts for a substantial share of global hashrate, and the legislation seeks to protect that infrastructure from foreign competition. The bill directs the Department of Commerce to set up a voluntary certification program for mining pools and data centers, with the goal of standardizing practices and improving transparency and operational efficiency nationwide. Certified facilities would also be required to begin shifting away from mining equipment produced by companies tied to foreign adversaries, framing the measure as both an economic and national security initiative. Lummis, who has said she will not seek reelection in 2027, has been a leading advocate for crypto-related fiscal and regulatory reforms. The measure is positioned as part of her effort to establish a durable legal framework for digital asset growth before leaving office. Backers argue the "Mined in America" Act would further institutionalize Bitcoin in the U.S., pairing a domestic mining strategy with a strategic reserve to reinforce American technological and financial leadership in the evolving global digital economy.

Steakhouse Financial said on March 31 (UTC+8) that its Steakhouse.financial website remains offline following a security incident, with DNS records currently set to blank entries. The project stressed that Steakhouse Vaults are fully operational and can be accessed directly via Morpho, with deposits, withdrawals and all vault functions running normally. According to the team, the incident stemmed from a social-engineering phone attack targeting OVH Cloud, which enabled attackers to seize control of steakhouse.financial domain management. The attackers redirected DNS A records for the official website and app subdomains to malicious IP addresses and attempted to initiate a domain transfer with a five-day lock period. Steakhouse said all unauthorized changes have been rolled back. Domain records have been temporarily left blank while the frontend is restored. The project added that vaults, smart contracts and all deposited funds were not affected, and user assets remain secure. (Source: Foresight News)

Alameda Research deposited 7.93 million ZRO tokens, worth roughly US$15.3 million, to market maker Wintermute. After the transfer, ZRO slid about 6%. On-chain data show Alameda has sold ZRO multiple times in the past, often near local highs.

Ember monitoring data cited by ME News shows that on March 31 (UTC+8), an FTX/Alameda-linked wallet transferred 4.126 million ZRO, valued at about $8.17 million, to Wintermute roughly eight hours earlier. After the move, ZRO fell 6% over the following hours, sliding from $1.98 to $1.85. The wallet still holds 30.75 million ZRO (about $58.12 million), representing around 10% of ZRO's current circulating supply. (Source: ChainCatcher)

The U.S. Securities and Exchange Commission has approved a change allowing broker-dealers to pledge equities in the Russell 1000 and the S&P 500 as collateral when borrowing securities. Regulators said the update is intended to boost liquidity and reinforce risk management across securities lending markets.