From 23/03 to 28/03, Bitcoin fell below $87,000 mid-week and selling pressure spread across altcoins, leaving five tokens down 14%–21% over seven days. ether.fi (ETHFI) led losses at –21.46% to $0.4674, while Kite (KITE), Decred (DCR), Morpho (MORPHO), and Polkadot (DOT) also declined with several RSI readings near or under 30.

On 28 March 2026, Sen. Elizabeth Warren pressed the U.S. Commerce Department for records on how it is addressing what she described as potential national security risks tied to Bitmain. The concerns referenced include whether China-linked remote access could enable espionage or power-grid disruption, alongside Bitmain's outsized role in mining hardware supply and recent large U.S. purchases of its rigs.

On March 28, 2026, a new set of U.S. policy moves highlighted how quickly crypto regulation is evolving, from tax treatment for stablecoins to proposed limits on stablecoin yield products. The Digital Asset PARITY Act draft would exempt certain stablecoin transactions from capital gains tax and add wash-sale rules to crypto, while Coinbase is pressing for changes to CLARITY Act language ahead of expected text in late March or early April 2026. Separately, California Gov. Gavin Newsom issued an order barring state officials and close associates from using non-public information to bet on prediction markets.

MARA Holdings sold 15,133 Bitcoin for roughly $1.1 billion between March 4 and March 25, 2026, using the proceeds to repurchase $1 billion of its 0% convertible senior notes due in 2030 and 2031. The company also updated its treasury policy in early March to permit BTC sales and is shifting capital toward AI-focused computing infrastructure, including a planned 1 GW initiative with Starwood Digital Ventures.

On March 26, 2026, Franklin Templeton said it is working with Ondo Finance to place five ETFs onto public blockchains, with an initial launch planned outside the U.S. The structure uses an SPV to hold ETF shares at U.S.-registered broker-dealers while issuing 1:1 backed tokens that represent return rights and automatically reinvest dividends. The move comes as tokenized stocks approach ~$951M in total value and monthly transfer volume rises past $2.6B, alongside a tokenized Treasury market that has exceeded $11B by March 2026.

Bitcoin hovered around $70,000 on March 24, 2026 as global equities fell amid Iran war tensions. The asset recorded its longest run of negative correlation versus the S&P 500 since 2020, while U.S. spot Bitcoin ETFs logged $2.5B in monthly inflows and on-chain metrics suggested long-term holders were not distributing. Traders also watched $71,000–$71,500 as a potential breakout zone, with $68,500 cited as key downside support.

Hostplus, which oversees more than A$150 billion, is preparing to add Bitcoin exposure for members through its Choiceplus platform as early as July 2026, subject to regulatory approval. The article also points to growing institutional involvement, including corporate treasury accumulation and a tokenized real-world asset market that reached about $36 billion by the end of 2025.

Fidelity Investments submitted a letter on March 20, 2026 urging the SEC to create a framework that allows broker-dealers to offer, custody, and trade crypto assets on Alternative Trading Systems. The firm also called for clearer standards for tokenized securities, updated reporting rules for DeFi, and guidance on using distributed ledger technology for recordkeeping without being labeled a "clearing agency."

On March 23, 2026, NYSE Arca and NYSE American removed the 25,000-contract position and exercise caps for options tied to 11 spot Bitcoin and Ether ETFs after the SEC issued an immediate waiver. Under standard exchange rules, large and liquid funds can now qualify for limits of 250,000 contracts or more, and the update also enables customizable FLEX options, including cash-settled FLEX for products such as IBIT.