Since the inception of Bitcoin, wallets have always been caught between the opposing poles of security and convenience. To achieve absolute security, one must hold their private keys personally, even if it means losing access forever if the keys are misplaced. For greater convenience, however, users must rely on centralized custody, which entails relinquishing control over their assets. For a decade, this tug-of-war has never ceased. But the market has now offered a new answer. With over 600 ...