Bitcoin has always promised one simple thing: the ability to own money without asking permission from anyone. But that promise only holds if security in Bitcoin design becomes the starting point for every wallet, exchange, or custody tool, and not a detail left to the user. This is the message at the heart of a lengthy public address by Ledger's CEO, who has penned a sort of manifesto on how the crypto industry should build its products and, above all, how it should behave when someone else's security falls apart.
Summary
Bitcoin functions as digital cash: no bank, no company in between, just a private key that resides with its owner. This is the foundation from which Ledger's CEO begins his reasoning, and it is also why self-custody crypto is described as a "beautiful but tough idea": no one can freeze funds or deny access, but no one can save those who lose their key.
The principle is essential and leaves no room for ambiguity: whoever holds the key holds the money, period. Private keys, supported by a short list of words called a seed, are the only element that makes it possible to hold funds without going through a bank account or intermediary. This is the original architecture of Bitcoin, as described in the first nine pages of the white paper, and remains the reference point around which every discussion on security is measured.
According to Ledger's CEO, most fund losses arise from two distinct causes: a user error, such as a poorly transcribed seed or a forgotten password, or a flaw in the design of the tool used, a problem that the user had no way of foreseeing. In both cases, however, the consequences are always borne by the same person: the one who owns the funds.
The core of the intervention is a clear thesis: discipline alone cannot correct a flawed design. A good product eliminates the error at its root, rather than asking the user for constant and unlikely perfection. Increasing the complexity of a setup, or shifting more responsibility onto the end user, is not true security: it is what is defined as "security theater," an appearance of protection devoid of substance.
Holding your own keys equates to a form of digital private property, the ability to own something without anyone's permission. But a right that only experts know how to exercise, warns the CEO of Ledger, is a right that most people do not truly have. For this reason, security and simplicity must coexist: private digital ownership cannot remain a niche reserved for those who deeply understand technology.
No manufacturer, including Ledger, should expect their design to be taken at face value. What can remain open should be open, so that anyone can verify it; what must remain closed for security reasons should be entrusted to independent security tests conducted by external experts. And the ultimate test, the text emphasizes, is time: a system still standing years later, with real money inside. However, total security does not exist: those who promise it are selling something. It is rather a direction, a path that must become safer and simpler each year, tested by those who seek to break it.
From this vision arises the standard that Ledger proposes to the entire industry: no compromise. Not on security to make it simpler. Not on simplicity to make it more secure. Not on individual sovereignty to make it more secure. The moment a product asks the user to give up one of these three elements, the design has already failed. It is a principle applied to every wallet, including those of Ledger itself, which declares itself ready to be judged by this measure.
Alongside the technical aspect, the CEO of Ledger adds a second request, perhaps more difficult to implement: how companies in the industry should behave towards each other when security fails. Every time a breach occurs, social media fills up with companies accusing each other, a behavior defined as "free labor for thieves," ranging from state-sponsored groups to lone scammers, capable of stealing billions in total.
Ledger's security team, called Donjon, identifies vulnerabilities in other companies' products, as well as their own, and shares the results before any malicious actor becomes aware of them. Among the cited examples, Trezor corrected a flaw identified in this way, while Trust Wallet users were protected months before the vulnerability was publicly revealed. It is a model of cooperation that, according to the CEO of Ledger, already works when companies choose to apply it.
Ledger has written an open standard for "clear signing," designed to prevent users from approving transactions blindly, and has then handed it over to the Ethereum Foundation for anyone to adopt, including competitors. This is not an isolated case: SEAL 911 manages a free emergency hotline active 24/7 for those under attack, Kraken's security lab responsibly identifies and discloses vulnerabilities across the industry, and crypto user education comes from free initiatives like Ledger Academy, Binance Academy, and free courses from MIT.
On this basis, Ledger's CEO issues a direct invitation to colleagues leading other companies in the sector, wallets, exchanges, and custodians: continue to compete on products, but remain united on some shared principles, from responsible vulnerability reporting among security teams to honest statements about risks, without exploiting others' misfortunes for marketing. "The industry only wins if we defend it together," the text reads, a statement that summarizes the entire thrust of the intervention: collaboration in security is not a mutual favor among companies, but the minimum condition for the original promise of Bitcoin, that of money that does not ask for permission from anyone, to remain credible for a billion people and not just for those who already have the skills to protect themselves.
Bitcoin allows for autonomous money ownership, without intermediaries, through the control of private keys protected by a seed, a list of words that serves as a backup.
Because a flawed design cannot be corrected solely with user discipline: good design reduces errors instead of placing all responsibility on the user of the product.
Ledger's security team responsibly reports vulnerabilities found in other companies' products before they can be exploited, and promotes open standards and user education for the benefit of the entire industry.
No compromise between security, ease of use, and individual sovereignty, so that fund protection is accessible to all and continuously improves over time.
Content created with the assistance of artificial intelligence and human editorial review.
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