On March 31, 2026, the U.S. Department of Labor proposed revising its approach to digital assets in 401(k) retirement plans, reversing the 2022 guidance that urged fiduciaries to use "extreme care." The proposal removes any categorical ban and introduces a six-part safe-harbor checklist covering performance, fees, liquidity, valuation, benchmarking, and fiduciary understanding. Separately, on March 30, Senators Cynthia Lummis and Bill Cassidy introduced the "Mined in America Act" tied to domestic mining equipment and a Strategic Bitcoin Reserve.

Bhutan's government shifted about 375 BTC (roughly $25.18 million) on March 31, 2026, lifting the past seven days' total outflows to 1,018 BTC. The activity was routed via Druk Holding & Investments, while Bhutan's remaining holdings were estimated at about 3,954 BTC (around $263 million) after a steep decline from a late-2024 peak above 13,000 BTC.

Bitcoin changed hands at $66,597 at 8:30 a.m. Eastern on Tuesday, March 31, 2026, alongside a $1.33 trillion market cap and $48.8 billion in 24-hour volume. The price stayed inside a $66,037–$68,130 intraday band, with technical signals leaning neutral-to-bearish as it remained below key moving averages.

Bitcoin security researcher Justin Drake said on March 31 that two new quantum-computing papers increased his estimate of a "Q-day" to a 10% chance by 2032, a point when widely used cryptography could be broken. He argued the work reduces the resources needed for attacks based on Shor's algorithm and could, in best cases, shrink key-cracking time to minutes, though the threat remains theoretical for now.

Bhutan's Royal Government has moved roughly 375 Bitcoin, valued at about $25.19 million, in a transaction recorded on March 31. The BTC was sent to an intermediary wallet that has previously been associated with outflows toward Galaxy Digital. The transfer follows a series of sizable March movements that have lifted 2026 outflows above $152 million.

Bitcoin traded around $65,200–$66,689 as roughly 9 million BTC—about 45–46% of circulating supply—sat at an unrealized loss, with short-term holders showing $113.9 billion in losses. Analysts say similar readings in mid-2018, mid-2022 and January 2023 were followed by either deeper drawdowns or extended consolidation, leaving $63,000 and $69,000 as key nearby levels.

Bitcoin (BTC) moved back below $66,000 on Tuesday after briefly pushing above $68,000, a move some analysts described as a bull trap. Spot-market CVD commentary suggested late buyers were quickly underwater, while a negative Coinbase Premium was cited as another warning sign. The pullback came ahead of an 8 a.m. Eastern press briefing by US Secretary of War Pete Hegseth, with WTI crude having traded above $106 earlier in the week.

Joao Wedson, founder of crypto analytics platform Alphractal, highlighted $60,490 as a pivotal Bitcoin level tied to Binance’s reserve realized price. He said staying above it keeps the exchange’s BTC holdings in profit, while a sustained move below would place that reserve in unrealized loss and could intensify bearish conditions. Wedson also warned that a break may weaken sentiment and reinforce a sell-pressure feedback loop.