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How the Donjon Keeps Crypto Safe from Hackers

October 26, 2025
in Altcoin
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On October 23, Ledger welcomed companions and group members – together with BitDegree – to its Paris headquarters for Ledger Op3n, an occasion devoted to showcasing how the corporate advances crypto safety and product innovation.

Ledger is a worldwide chief in securing digital property and is finest identified for its {hardware} wallets. However past its client merchandise, the corporate additionally invests closely in safety analysis, a dedication finest represented by its in-house crew often known as the Ledger Donjon.

Throughout Op3n, contributors got a uncommon look into the Donjon’s operations.

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This group of safety researchers, consultants in cryptography, software program, and {hardware} safety, spends their days making an attempt to hack Ledger’s personal gadgets. Their mission: to seek out and repair vulnerabilities earlier than anybody else can exploit them.

The Donjon makes a speciality of a number of varieties of safety testing. These embody software program assaults, which goal unauthorized entry or manipulation of digital property; side-channel assaults, which exploit bodily leakages from gadgets; and fault assaults, the place circuits are intentionally disrupted to show weak factors.

By these strategies, the crew strengthens the protection of Ledger’s merchandise and ensures they keep forward of threats.

Ledger Donjon's testing device for securityOn the occasion, attendees witnessed a mini expedition into how the Donjon operates – from breaking down safe parts to testing product resilience.

Ledger’s CTO, Charles Guillemet, personally guided the viewers via the method and supplied insights into the excessive requirements that outline the corporate’s method to safety.

Ledger Op3n: an expedition into how the Donjon operatesLedger describes Op3n as “a setting for the varied crypto group to see Ledger from the within.” This 12 months’s occasion continued that custom by combining transparency with technical depth to point out the folks and processes behind its trusted gadgets.

The occasion additionally included a significant reveal: the launch of Ledger Nano Gen5, the corporate’s newest technology of {hardware} wallets. What’s particular about this machine? Learn the complete story.

Past that, Ledger additionally introduced that its flagship software program, Ledger Reside, is rebranding to Ledger Pockets. What does this rebrand change? Learn the complete story.



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