Why did the entire cryptocurrency market suddenly rise today?
$BTC $ETH
According to cryptocurrency market data on April 21, major cryptocurrencies rose across the board, with significant increases:
Bitcoin's Asian trading broke through $87,000, with a 24-hour increase of 2.5%. The technical breakout surpassed key resistance levels, and analysts believe a bullish reversal pattern may form.

Ethereum: Price stabilized above $1,600, with narrowed declines, benefiting from the Pectra upgrade optimizing Layer 2 performance.

Altcoins: The AI sector led the gains, increasing by 7%, while other sectors rose between 1% and 2%. The LUMO token saw a 24-hour increase of 127%, reflecting a warming market sentiment.
II. Reasons for the Rise
(1) Macroeconomic Policies: Easing cycle and tariff expectations have eased.
Central Bank Policies: Many central banks maintain interest rate cuts or keep rates unchanged, and abundant liquidity increases risk appetite.
The People's Bank of China conducted a 100 billion yuan treasury cash auction on April 21, indicating a coordinated effort between fiscal and monetary policies.

Tariff Policies: Recent U.S. tariffs were not more stringent than expected; although they increased domestic childcare costs, the market interpreted it as 'negative factors fully priced in,' leading some funds to flow back into risk assets.

(2) Market Sentiment: Institutional Entry and Technical Catalysts
Institutional Funds: BlackRock and other institutions' Bitcoin ETF size surpassed $25 billion, accelerating the trend of corporate 'de-cashization' and forming a long-term strategic reserve pool.
(3) Traditional Market Linkage: Stock Market and Commodity Resonance
A-shares Performance: Approaching 3,300 points on April 21, with brokerage sectors rallying, market sentiment warming, and capital spillover effects impacting the cryptocurrency market.
Gold Breakthrough: Gold price surpassed $3,400/ounce, with a 'seesaw effect' between safe-haven assets and risk assets, as some funds shift from gold to cryptocurrencies.

Impact of US Stocks: If tech stocks stabilize and rebound, they may boost the cryptocurrency market through beta coefficient linkage.
III. Risk Warning and Outlook
The market is experiencing a short-term widespread rally, but the following risks must be heeded:
Sudden Regulatory Policy Changes: The U.S. (stablecoin legislation) ban on algorithmic stablecoins may suppress DeFi innovation, with offshore issuers like Tether facing compliance pressures.
Geopolitical Black Swans: External factors such as China-US relations and the situation in the Middle East may still impact market sentiment, and the uncertainty of Trump's policies continues to exist.
IV. Summary: Structural Opportunities Under Multiple Resonances
Today's widespread rise in the cryptocurrency market is the result of the resonance of macroeconomic policies, market sentiment, and technological upgrades.
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