One of the phrases newcomers to the crypto world hear most often—but truly understand the latest—is “Not your keys, not your coins.” At first glance, this statement sounds like a technical warning: if the private keys are not yours, then the assets are not yours either. However, this idea is far more than a technical reminder; it serves as a concise summary of why cryptocurrencies exist, which systemic problems they were designed to solve, and where they deliberately diverge