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The weakest link in crypto security isn’t always the blockchain. Sometimes, it’s the device in your pocket.
As digital assets move further into everyday life, the tools people use to access them are becoming just as critical as the wallets themselves. And increasingly, that risk isn’t obvious, or even visible.
Because in 2026, crypto threats are no longer just about bad actors on-chain. They’re quietly shifting into the hardware and software people trust the most.
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Crypto crime is scaling alongside adoption, and it's getting more sophisticated.
Industry data shows illicit crypto activity hit $158 billion in 2025, while scams alone pulled in tens of billions more.
Attackers are no longer relying on simple phishing emails. Instead, they are combining AI-generated deepfakes, social engineering, and malware to exploit users at multiple levels.
One of the most effective tactics is social engineering, where attackers impersonate exchanges, support staff, or even influencers.
In some cases, victims are manipulated over weeks or months before handing over funds.
At the same time, malware-based attacks are becoming more dangerous. Clipboard hijackers can silently swap wallet addresses, while keyloggers and memory scrapers extract private keys without users noticing.
A single scam might start as a fake investment opportunity, evolve into a phishing attempt, and end with malware infection - all targeting the same victim.
The takeaway is simple. Crypto security is no longer just about wallets. It’s about the entire digital environment around them.
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That environment increasingly includes smartphones, and older devices are becoming a prime target.
Researchers recently uncovered a powerful iOS exploit chain known as “Darksword,” capable of penetrating iPhones and extracting sensitive data, including crypto wallet information.
The malware was distributed through compromised websites and targeted devices running older iOS versions.
Security firms estimate that up to 220 million - 270 million iPhones could still be running vulnerable software versions, leaving a massive attack surface.
Once inside a device, the malware can access messages, files, account data, and cryptocurrency wallet credentials.
Some variants are even capable of recording audio, tracking location, and exfiltrating stored data in the background.
While Apple has patched the underlying vulnerabilities, the risk remains for users who haven’t updated their devices.
Tools once reserved for state-level surveillance are now appearing in wider cybercriminal use. As one researcher noted, there is now a “pipeline of exploits” reaching financially motivated actors.
In other words, your old phone is not just outdated, it could be exposed.
All this comes as Apple’s ecosystem becomes increasingly central to how users access crypto.
Integrations like Coinbase’s Apple Pay onramp have made it possible to buy digital assets directly through familiar mobile payment flows.
With hundreds of millions of users, Apple’s infrastructure is now a key gateway into crypto.
Policy changes have also quietly expanded this role. Updated App Store rules now make it easier for apps to link users to external crypto services, smoothing onboarding and transactions.
Apple already allows crypto wallets and storage apps.
As more users rely on iPhones to store, access, and transact with crypto, the device itself becomes part of the threat model.
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Keep your iPhone updated to the latest iOS version, avoid sideloading apps or clicking unknown links, and never store seed phrases or private keys in notes, screenshots or cloud backups.
For larger holdings, consider using a hardware wallet and enabling two-factor authentication across all crypto accounts.
This story was originally published by TheStreet on Mar 20, 2026, where it first appeared in the MARKETS section. Add TheStreet as a Preferred Source by clicking here.
