#加密市场观察 Crypto Daily(04.21): US-Iran Geopolitical Tensions Intensify BTC Range Volatility, Institutional Accumulation and DeFi Security Incidents Dominate Main Themes

1. Bitcoin Market Trends and Price Analysis
1. Due to the ongoing US-Iran geopolitical conflict and fluctuations in the Strait of Hormuz shipping situation, Bitcoin prices recently fluctuated between $73,000 and $78,300, testing the $75,000 level multiple times, with market capitalization swinging by hundreds of billions of dollars in response to the situation.
2. Market analysis indicates that Bitcoin's short-term trend is influenced by macro liquidity, Federal Reserve personnel changes, and ETF capital flows. Institutions generally believe there is still upward potential in the medium term, but short-term bulls and bears are fiercely competing, with high volatility risks.
3. Technical analysis shows that Bitcoin's current key support level is $74,000, with resistance at $76,000–$78,000. Overall, it remains in a healthy correction phase within an upward trend, awaiting clear signals to break through the range.
2. Institutional and Corporate Cryptocurrency Holdings Dynamics
1. Global listed companies' Bitcoin buying has rebounded, with weekly net purchases exceeding $2.5 billion, reaching a recent high. Strategy spent $2.54 billion in a week to acquire 34,164 BTC, bringing total holdings to 815,061 BTC, surpassing BlackRock's Bitcoin ETF holdings.
2. Several companies have followed suit in increasing Bitcoin holdings, with only a few listed companies reducing their positions slightly. Currently, the total Bitcoin holdings of global listed companies exceed 1.08 million BTC, accounting for 5.4% of circulating supply.
3. In Q1 2026, listed Bitcoin mining companies sold over 32k BTC, setting a quarterly record for sales. The proceeds were mainly used for transitioning to AI infrastructure and adjusting capital allocation.
4. The largest Ethereum holder, Bitmine, increased its ETH holdings by 101,627 ETH in one week, nearing 5 million ETH, moving closer to the goal of holding 5% of Ethereum's total supply. Currently, its Ethereum holdings show some paper losses.
3. Cryptocurrency Regulation and Industry Ecosystem Developments
1. The US SEC launched a new podcast explicitly listing cryptocurrency regulation as its top priority for 2026, aiming to clarify regulatory frameworks, balance investor protection with industry innovation, and position the US as a global crypto hub.
2. Data shows that 5,186 Bitcoin addresses on the US OFAC sanctions list still hold 9,306 BTC. Sanctions are limited to legal restrictions and cannot technically freeze on-chain assets completely.
3. KelpDAO was hacked, triggering a chain liquidity crisis in the DeFi sector. The total value locked in DeFi shrank by $14 billion, raising industry safety concerns. Several institutions pointed out the prominent risk-reward imbalance in DeFi.
4. Traditional finance and crypto exchanges are accelerating product innovation. Traditional broker Charles Schwab plans to launch direct Bitcoin trading services soon, while OKX has introduced a simplified price prediction product called "Event Contracts" aimed at retail users to lower participation barriers.
4. Other Cryptocurrency News
1. NYDIG is about to acquire an idle aluminum smelting plant site in New York used by Alcoa, transforming it into a Bitcoin mining project. The project will leverage existing industrial power infrastructure to rapidly expand mining capacity, with completion expected by mid-2026.
2. The Hollywood film "Bitcoin," focusing on the controversy over Satoshi Nakamoto's identity, has finished filming. Featuring well-known actors, it will soon be promoted worldwide and is expected to spark a new round of discussions on this debated topic.