GameStop said in a Tuesday 10-K filing that it still holds 4,710 BTC worth roughly $368 million, following two months of market speculation. The filing states 4,709 BTC are pledged as collateral via Coinbase Prime/Coinbase Credit and 1 BTC remains held directly, with no Bitcoin sale reported. It also details a covered-call strategy using short-dated call options with $105,000–$110,000 strike prices expiring March 27.

A bipartisan group of U.S. senators introduced the Public Integrity in Financial Prediction Markets Act of 2026 on Thursday, aiming to bar government officials from trading prediction-market contracts using nonpublic information. The proposal would fine violators an amount equal to twice any profits, and it requires reporting within 30 days for any wager over $250 with detailed trade disclosures.

Rep. Maxine Waters sent a letter on Thursday to Kansas City Fed President Jeff Schmid seeking details on Kraken Financial's Federal Reserve master account and what services it can access. She set an April 10 deadline for explanations on Fedwire/ACH scope, restrictions, and the AML and consumer-protection reviews tied to the approval. Kraken Financial's access was granted as a one-year pilot on March 4, 2026, placing a crypto-native firm onto core payment rails.

Canton Network, an institutional blockchain backed by Goldman Sachs, Microsoft and DTCC, has added LayerZero as its first live interoperability protocol. The integration is positioned to let regulated firms route tokenized assets to more than 165 public blockchains while maintaining compliance requirements. Canton is also cited as supporting over $350 billion in daily U.S. Treasury repo activity via Broadridge's platform.

Coinbase and Better Home & Finance have put into operation what they describe as the first U.S. conforming crypto-backed mortgage, letting borrowers use Bitcoin or USDC as collateral for a Fannie Mae-backed home loan without selling their holdings. The structure applies collateral haircuts—BTC at 40% of market value and USDC at 80%—and requires eligible assets to be held on U.S.-regulated exchanges with AML compliance and at least 60 days of documented holding history.

Torg Grabber, a newly identified infostealer, is being deployed to target 728 crypto wallet browser extensions across 850 add-ons. The malware is designed to steal seed phrases, private keys, and session tokens using encrypted exfiltration routes, with browser-extension self-custody users as the main exposure surface.

Startale Group has completed a $63 million Series A round with backing from SBI Group and Sony Innovation Fund, split into two tranches. The company said the funding will be used to scale its Strium Layer 1 for tokenized securities, expand its JPYSC and USDSC stablecoins, and upgrade the Startale App into a consumer SuperApp built on Sony's Ethereum Layer 2, Soneium.

Coinbase told the Senate this week it cannot support the latest Digital Asset Market Clarity Act draft, after changes circulated Monday would bar exchanges from paying rewards on stablecoin balances and limit access to transaction-size data. The company reported $1.35 billion in stablecoin revenue in 2025, much of it tied to USDC distribution payments under its Circle partnership. The draft’s yield provisions could remove an estimated $800 million in annual revenue tied to that line of business.

On March 24, 2026, Tether said it has retained an unnamed Big Four accounting firm to conduct a comprehensive financial statement audit of USDT, moving beyond the quarterly attestations it has used since 2021. The company says USDT has a $184 billion market cap and serves more than 550 million users globally, positioning the engagement as its first large-scale, end-to-end audit covering reserves and tokenized liabilities.