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Crypto Users Targeted in ‘Elaborate’ Scam Using Popular Notes App

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Crypto users are being warned about a sophisticated new scam that leverages a popular note-taking app to spread malware capable of taking over victims’ devices.

According to a report from Elastic Security Labs, the campaign uses advanced social engineering tactics across platforms like LinkedIn and Telegram to trick individuals working in crypto and finance into unknowingly installing malicious software.

Scam Uses Obsidian Plugins as Entry Point

The attack centers around Obsidian, a widely used note-taking app that supports community-built plugins. Threat actors exploit this feature to execute malicious code without raising suspicion.

Elastic researchers found that attackers share access to a cloud-hosted “vault” within Obsidian. Once the victim opens it, they are instructed to enable community plugin syncing. This step triggers the malware, which runs silently in the background.

The method works across both Windows and macOS devices, making it a broad threat to users regardless of operating system.

Social Engineering Tactics Build Trust

The scam begins with attackers posing as representatives of a venture capital firm on LinkedIn. After establishing initial contact, they move conversations to Telegram, where they discuss crypto-related services such as liquidity solutions to appear credible.

Victims are then invited to access what is presented as the firm’s internal dashboard using Obsidian. They are provided login credentials to a shared vault, which ultimately becomes the entry point for the attack.

Elastic described this vault as the “initial access vector,” noting that the entire process is designed to appear legitimate and business-oriented.

PHANTOMPULSE Malware Enables Full Device Control

Once activated, the attack deploys a previously undocumented remote access trojan (RAT) dubbed “PHANTOMPULSE.”

Disguised as legitimate software, the malware gives attackers extensive control over the infected device. It is built for stealth and persistence, allowing operators to monitor activity, execute commands, and maintain long-term access.

One of the more advanced aspects of the malware is its use of blockchain-based infrastructure. PHANTOMPULSE relies on onchain transaction data across multiple blockchain networks to receive instructions, avoiding dependence on traditional centralized servers.

This decentralized command-and-control system ensures the malware remains operational even if parts of its infrastructure are disrupted.

Crypto Users Remain Prime Targets

The campaign highlights the continued focus on crypto users, who remain attractive targets due to the irreversible nature of blockchain transactions.

According to Chainalysis, around $713 million was stolen from individual crypto wallets in 2025 alone.

Elastic noted that attackers are increasingly creative in how they gain initial access. By abusing legitimate tools like Obsidian, they are able to bypass traditional security defenses and execute malicious code through intended app functionality.

Security Measures and Industry Implications

The researchers said they were able to block the attack, but warned that similar tactics could be used in future campaigns.

They emphasized that both individuals and organizations, especially in the crypto and financial sectors, need to be cautious when interacting with unfamiliar tools or shared resources.

Companies are advised to implement stricter controls around third-party plugins and remain vigilant, as even trusted productivity software can be turned into a gateway for cyberattacks.

Crypto

Bitcoin Rebounds to $72.5K as Markets React to US Strait of Hormuz Blockade

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Bitcoin bounced back to around $72,500 following volatility at the start of the week, as global markets responded to escalating tensions between the US and Iran.

Despite the rebound, traders remain cautious, warning that the current price recovery could be temporary.

Bitcoin Rises Alongside US Stocks

After dipping earlier, Bitcoin reversed course following the Wall Street open on Monday, climbing to approximately $72,530.

The move came as markets reacted to the US decision to begin a blockade of the Strait of Hormuz. However, sentiment improved after it became clear that the restrictions would not impact shipping traffic to and from non-Iranian ports.

This clarification helped ease immediate concerns, leading to a broader relief rally across risk assets.

US equities followed a similar pattern, with both the S&P 500 and Nasdaq Composite recovering from earlier losses and trading in positive territory.

Oil Prices Climb Amid Geopolitical Tension

While equities and crypto rebounded, oil markets continued to reflect geopolitical risks.

WTI crude traded around $102 per barrel after briefly moving above the $100 mark, driven by concerns over potential disruptions to global oil supply.

Analysts noted that any significant interference with Iranian exports could have a ripple effect, particularly for countries like China that rely heavily on those shipments.

Market Sentiment Stabilizes, But Uncertainty Remains

Market analysts suggest that while tensions remain high, investors are not pricing in a worst-case scenario.

Trading firm QCP Capital highlighted that markets appear to be following a familiar pattern where geopolitical rhetoric intensifies, but real-world impacts are more limited.

In the crypto market, this shift is visible in declining volatility expectations and improving sentiment indicators.

“Panic has faded,” the firm noted, even as uncertainty continues to linger.

Traders Warn of Potential Pullback

Despite the short-term recovery, some traders are signaling caution.

Analysts are watching for a possible “Bart Simpson” pattern, a technical setup where price briefly spikes before reversing sharply downward, potentially erasing recent gains.

Key levels are now in focus, with $70,500 seen as an important support zone in the near term.

Other traders suggest staying on the sidelines until Bitcoin moves closer to either extreme of its current range. Some are eyeing the $59,000 to $61,000 range as a potential entry zone if prices decline further.

Market Remains Range-Bound

For now, Bitcoin appears to be trading within a defined range, with no clear directional breakout.

While the rebound offers some relief, ongoing geopolitical developments and macro uncertainty continue to weigh on market outlook.

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Blockchain

Strategy Buys 13,927 Bitcoin for $1B, Holdings Near 800,000 BTC

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Michael Saylor’s Strategy has added another major Bitcoin purchase to its balance sheet, bringing the company closer to holding 800,000 BTC.

According to an 8-K filing with the US Securities and Exchange Commission, the firm acquired 13,927 Bitcoin for approximately $1 billion between April 6 and April 12.

Holdings Approach 800,000 BTC

The latest purchase was made at an average price of $71,902 per Bitcoin, which is below Strategy’s overall average acquisition cost of $75,577.

With this addition, the company now holds 780,897 BTC, acquired for a total of $59.02 billion. Strategy needs just 19,103 more Bitcoin to reach the 800,000 BTC milestone, having already purchased over 107,000 BTC so far in 2026.

Purchase Funded Through STRC Share Sales

The $1 billion buy was funded through the company’s perpetual preferred equity offering, known as Stretch (STRC).

Strategy sold 10 million STRC shares during the period, generating roughly $1 billion in proceeds. No shares were issued from its other offerings, including STRF, STRK, STRD, or its common MSTR stock.

Data from STRC.live shows that last week marked the second-largest weekly issuance of STRC shares on record, significantly above the recent average. The surge follows changes to the company’s equity sale program introduced in early March.

Continued Accumulation Strategy

Saylor hinted at the purchase ahead of time in a post on X, sharing a chart of Strategy’s Bitcoin acquisition history. The company has now completed 105 Bitcoin purchases since 2020, maintaining a consistent accumulation strategy.

Despite its aggressive buying, Strategy is currently sitting on substantial unrealized losses. In its first-quarter 2026 report, the company disclosed $14.46 billion in unrealized losses on its digital asset holdings.

Market Momentum and Institutional Demand

Strategy’s continued accumulation comes amid broader institutional interest in Bitcoin.

Last week alone, US spot Bitcoin ETFs recorded inflows of $786 million, signaling strong demand from institutional investors.

Bitcoin’s price also saw upward momentum earlier in the week, climbing above $70,000 and briefly surpassing $73,000 before pulling back.

Analysts at Nomura’s Laser Digital pointed to Strategy’s buying activity as one of the key drivers behind the recent price movement, alongside ETF inflows and a rebound in US equities.

However, market volatility remains. Renewed geopolitical tensions, including developments related to a US-Iran situation, triggered a pullback toward $71,000, with analysts expecting continued price fluctuations in the near term.

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Crypto

Fireblocks Launches ‘Earn’ Tool for Institutions to Generate Stablecoin Yield

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Digital asset infrastructure provider Fireblocks has introduced a new feature called Earn, aimed at helping institutions generate yield on idle stablecoin holdings through decentralized lending protocols.

The company announced on Wednesday that the product gives institutional clients direct access to onchain lending strategies powered by Aave and Morpho.

Direct Access to DeFi Lending Markets

Fireblocks Earn launches with a Sentora-curated vault built on Morpho, along with direct integration into Aave’s stablecoin lending markets.

The feature is currently available in early access for Fireblocks customers, offering institutions a streamlined way to deploy stablecoin balances into yield-generating opportunities.

According to the company, the tool is designed for firms that often hold large amounts of stablecoins unused between settlement periods and investment cycles.

Addressing Idle Institutional Capital

Fireblocks highlighted the scale of the opportunity, noting that it processed around $6 trillion in stablecoin transfer volume in 2025 across more than 2,400 institutional clients. This figure represents a 300% increase compared to the previous year.

The company believes a significant portion of this capital remains idle, and Earn is designed to make those funds more productive.

CEO and co-founder Michael Shaulov said the goal is to allow institutions to deploy capital without leaving the platform they already use.

“For the first time, institutions can put those balances to work through onchain lending strategies curated by established players, all within the same system and controls,” he said.

Competing in Institutional DeFi Access

Fireblocks joins a growing list of platforms offering institutional gateways into decentralized finance.

Other solutions in this space include Aave Horizon, Coinbase Prime, Anchorage Digital, Nexo Institutional, and Spark Institutional Lending, all of which aim to simplify access to yield opportunities in DeFi.

Fireblocks noted that returns from Earn will depend on the underlying protocols and market conditions. Yields are variable, not guaranteed, and could be zero.

Aave and Morpho Lead Lending Market

Among decentralized lending protocols, Aave remains the largest, with approximately $25.9 billion in total value locked. Morpho follows with around $7.67 billion, according to DeFiLlama data.

By integrating both platforms, Fireblocks is positioning Earn as a gateway to some of the most established liquidity pools in DeFi.

Expanding Institutional Offerings

The launch of Earn is part of Fireblocks’ broader push to expand its institutional services beyond core infrastructure.

In October 2025, Fireblocks Trust Company partnered with firms like Galaxy and Bakkt to introduce a crypto custody framework under the New York Department of Financial Services.

More recently, in January 2026, Fireblocks acquired crypto accounting platform TRES for $130 million, strengthening its capabilities in tax compliance and financial reporting for institutional clients.

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