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Historic Market Breakdown: Crypto Falls as Sequential Sell-Off Hits All Asset Classes

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TLDR:

  • Russell 2000 initiated sequential market breakdown Monday, historically signaling broader risk reduction ahead 
  • Dollar Index hit multi-year lows Tuesday after Trump comments and yen intervention rumors destabilized currencies 
  • Gold and silver crashed Friday from margin liquidations despite stable physical demand for precious metals 
  • Bitcoin and Ethereum completed sell-off chain Saturday as high leverage amplified crypto market downturn

 

Markets witnessed an unprecedented sequence of asset class breakdowns this week, culminating in significant losses across crypto markets.

The sell-off began with small-cap equities and cascaded through traditional markets before reaching digital assets.

Bitcoin and ethereum declined sharply on Saturday, marking the final stage of what analysts describe as a systematic unwinding of risk positions across global markets.

Traditional Markets Trigger Cascading Sell-Off

The Russell 2000 initiated the downturn on Monday, dropping after reaching new peaks at 2838 points. Small-cap stocks historically serve as early indicators when investors begin reducing risk exposure.

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The Dollar Index followed on Tuesday, falling to multi-year lows after former President Trump expressed indifference toward dollar weakness. Concurrent rumors of yen intervention added pressure to currency markets.

Wednesday brought the S&P 500 into the selling wave as U.S. officials denied intervention plans. Markets had anticipated policy support, and the denial removed a critical foundation for investor confidence.

The Nasdaq joined the retreat on Thursday as technology stocks succumbed to mounting selling pressure. This progression demonstrated how risk reduction moved methodically through equity sectors.

Gold and silver crashed on Friday despite no apparent decline in physical demand. Heavy liquidations forced by margin calls drove precious metals lower. The pattern suggested leveraged positions were being unwound across multiple asset classes simultaneously.

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Crypto Assets Complete the Downturn Sequence

Bitcoin and ethereum sold off on Saturday, extending the week’s pattern into digital asset markets. According to Bull Theory , the sequence followed a clear path: small caps to dollar to equities to metals to crypto. The observation highlighted how interconnected modern markets have become under stress conditions.

Leverage amplified the crypto market decline as traders faced margin requirements across their portfolios. When liquid markets began selling off, digital assets followed suit.

High leverage ratios common in crypto trading intensified the downward movement. The selling pressure appeared systematic rather than driven by fundamental changes in crypto adoption or technology.

Market participants noted the coordinated nature of the breakdown. Each asset class fell in sequence over consecutive days.

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This pattern differed from typical volatility where multiple assets decline simultaneously. Instead, the progression suggested a deliberate unwinding of positions as risk appetite evaporated.

The chain reaction revealed vulnerabilities in leveraged trading strategies spanning multiple markets. Traders holding positions across asset classes faced compounding losses as each market segment declined.

Margin calls in one market forced liquidations in others, creating a feedback loop. The crypto sell-off represented the final link in this week’s historic market sequence.

 

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Crypto World

EngageLab Flaw Opened 30M Wallet Apps to Android Data Theft: Microsoft

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Brian Armstrong's Bold Prediction: AI Agents Will Soon Dominate Global Financial

TLDR:

  • Microsoft found the EngageLab SDK bug could expose private wallet data across 30M Android installs globally.
  • The flaw abused Android intents to grant hostile apps persistent read and write provider permissions.
  • EngageLab fixed the issue in v5.2.1 by changing MTCommonActivity to non-exported status.
  • Google Play removed affected wallet apps, while Android added safeguards for already installed versions.

Microsoft has disclosed a severe Android SDK vulnerability that placed more than 30 million crypto wallet installs at risk. The flaw affected EngageLab’s widely used EngageSDK, which many wallet apps used for push messaging features. 

According to Microsoft’s security research, the issue enabled malicious apps on the same device to bypass sandbox protections. Google Play has since removed all identified apps using the vulnerable SDK versions.

EngageLab Android SDK Flaw Exposed Crypto Wallet Attack Surface

Microsoft said the issue centered on an exported Android activity called MTCommonActivity

The component was automatically added during manifest merging after developers imported the SDK. Because it appeared post-build, many teams likely missed it during review. That left production APKs open to hidden risk.

The vulnerable flow began when the activity received an external intent. Its onCreate() and onNewIntent() callbacks both routed data into processIntent()

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That method extracted a URI string and forwarded it deeper into the SDK logic. The chain eventually rebuilt and launched a new intent.

Microsoft’s write-up noted the critical failure happened in a helper method. Instead of returning a safe implicit intent, it returned an explicitly targeted one. That changed Android’s normal resolution path and let hostile apps redirect execution. 

In practice, the vulnerable wallet app launched the malicious payload with its own privileges.

The risk worsened because the SDK used Android’s URI_ALLOW_UNSAFE flag. That allowed persistent read and write URI permissions inside the redirected intent. 

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A malicious app could then gain access to non-exported content providers. From there, sensitive wallet files, credentials, and user data became reachable.

Microsoft Patch Timeline and Android Wallet Mitigation Guidance

Microsoft Security Vulnerability Research first identified the flaw in EngageSDK version 4.5.4 in April 2025. It then notified EngageLab under coordinated disclosure rules. 

The Android Security Team also received the report because affected apps were live on Google Play. The fix arrived months later in version 5.2.1 on November 3, 2025.

In the patched release, EngageLab changed the vulnerable activity to non-exported. That single change blocks outside apps from invoking the component directly. Microsoft said it currently has no evidence of in-the-wild exploitation. Still, it urged developers to update immediately.

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The report stressed that third-party SDKs can silently expand wallet attack surfaces. 

Crypto apps face elevated stakes because they often store keys, credentials, and financial identifiers. Even minor upstream library flaws can ripple across millions of devices. This case pushed total exposure above 50 million installs when non-wallet apps were included.

Microsoft also said Android added automatic protections for previously installed vulnerable apps. Those mitigations reduce risk while developers migrate to the fixed SDK. 

The company urged teams to inspect merged manifests after every dependency update. That review can catch exported components before release.

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XRP Price Flashes Multiple Bottom Signals As Bulls Defend $1.30.

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XRP Price Flashes Multiple Bottom Signals As Bulls Defend $1.30.

XRP (XRP) has been in an eight-month downtrend, with momentum and onchain indicators at levels that previously coincided with macro bottoms.

Data from TradingView reveals that the relative strength index (RSI) of the XRP/BTC ratio is at 24, the most oversold level since October 2025. 

Such low levels in the daily RSI have marked market bottoms for the ratio, ultimately leading to 65% to 345% XRP price breakouts against Bitcoin as seen late 2024 and 2025.

XRP/BTC daily chart. Source: Cointelegraph/TradingView

The chart above also shows that the XRP/BTC pair is trading within a long consolidation range, which has previously acted as a strong launching pad for the ratio.

The last time XRP bottomed against Bitcoin around this zone was in June 2025. It marked the beginning of a 61% increase in the XRP/BTC ratio, accompanying a 92% XRP price rally to a multi-year high of $3.66.

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Other instances shown by the yellow bars in the chart reinforce the reliability of this level in marking macro bottoms for XRP/BTC. 

MVRV Z-Score suggests XRP price is bottoming

XRP’s MVRV Z-score is hovering near zero, a level that historically aligns with accumulation zones and market bottoms.

This indicates that most holders are close to breakeven, reducing sell pressure and signalling potential downside exhaustion. Similar patterns appeared in 2021, 2022 and 2024 before major rallies.

XRP MVRV Z-score vs. price. Source: Glassnode

Note that the last time XRP’s MVRV Z-score fell to similar levels in late 2024 coincided with a macro market bottom at $0.30 and preceded a multi-month rally, with the XRP/USD pair rising 500% to a multi-year high above $3. 

Meanwhile, the 0.80 MVRV pricing band, which has historically marked cycle bottoms, is currently at $1.14, coinciding with a 15-month low reached on Feb. 6.

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XRP: MVRV pricing bands. Source: Glassnode

These onchain metrics suggest that XRP is undervalued and may continue the ongoing recovery, potentially rising toward $1.70 or higher

XRP price must hold above $1.30 

Meanwhile, XRP/USD remains cautiously bullish as long as it holds the $1.25-$1.30 support zone. 

“$XRP is sustaining the major support zone between $1.30-$1.25 levels since early Feb’26,” trader ChiefraT said in an X post on Friday, adding:

“If this zone continues to hold, then a short-term bounce towards $1.45 can’t be ruled out.”

XRP/USD daily chart. Source: Cointelegraph/TradingView

The importance of this support level is reinforced by cost basis distribution. The heatmap below shows that nearly 1.73 billion XRP were acquired around this price.

XRP cost-basis distribution heatmap. Source: Glassnode

Below that, the next line of defence is the $1.15 demand zone, where the 200-week simple moving average is. 

If XRP/USD drops below this level, it would be in a free-fall toward the measured target of the bear flag at $0.80, or 41% below the current price.

As Cointelegraph reported, holding $1.27-$1.30 would be a sign of strength among the bulls who must push the XRP/USD pair toward the $1.61 range high to regain control. 

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