Ryan S. Adams emphasizes the risks of keeping cryptocurrency at home, warning against the rise of "wrench attacks," where criminals force victims to reveal their assets. He advises that crypto investors, especially those in the public eye, should have zero access to crypto at home. This means no hot or cold wallets and no exchanges that facilitate instant withdrawals. Instead, he recommends using multi-signature wallets and custodial services that require third-party verification and time delays for any transactions. Adams outlines various strategies for safeguarding crypto, including using services like Casa or Unchained for multisig setups, and time-locked bitcoin vaults. He stresses the importance of making accessing wealth cumbersome to deter attackers. For those active in crypto but concerned about security, he suggests considering ETFs as a safer alternative until they feel ready to manage their assets on-chain. Keeping addresses private and being cautious with personal information is also crucial in mitigating risks. The article highlights that while wrench attacks are still rare, they can occur, particularly targeting high-net-worth individuals. By adopting strict security measures, investors can minimize their exposure. Adams encourages proactive communication about one’s crypto security, advocating for transparency in how individuals manage their assets. This approach not only protects the investor but also sends a clear message to potential attackers that there’s little to gain.