Recent security breaches involving tampered Ledger devices and non-random seed generation in Coldcards have resulted in over $200 million in stolen crypto assets, significantly undermining confidence in hardware wallets. These incidents occurred despite users purchasing from official sources and adhering to standard self-custody protocols, highlighting risks that extend beyond user error. Concurrently, the rise of physical coercion attacks, such as wrench attacks in France occurring every 2.5 days this year, has further exposed the vulnerabilities associated with storing private keys on dedicated hardware devices.

In response to these challenges, alternative storage methods are gaining attention, though each presents distinct trade-offs. Crypto exchange-traded funds (ETFs) offer a regulated pathway that removes the burden of seed phrase management and physical security threats. However, ETF holders do not possess actual Bitcoin but rather shares in a financial product backed by custodians, introducing counterparty risk, fees, and potential price deviations. Ophelia Snyder of 21Shares notes that while ETFs suit most people for tax and estate planning reasons, they limit on-chain utility.

Other alternatives include passkey-based solutions like Coinbase Wallet’s Smart Wallet, which utilize device-stored cryptographic credentials protected by biometrics or PINs. While offering smoother user experiences, these systems rely on third-party infrastructure and face criticism regarding their similarity to hosted wallets if a passkey is compromised. Multisignature wallets require multiple keys to authorize transactions, reducing single-point-of-failure risks but introducing coordination complexities and smart contract vulnerabilities. Centralized exchanges provide convenience and improved operational security through proof-of-reserves reports, yet they retain custody of assets, exposing users to historical patterns of hacks and regulatory compliance requirements such as identity verification under OECD frameworks.