What AI says about 21st Capital

21st Capital provides a self-custody infrastructure called Smart Vault for long-term Bitcoin holders to protect, manage, and preserve wealth with full ownership and institutional-grade safeguards. The Smart Vault uses a multi-signature architecture and an inheritance framework to remove single points of failure and enable institutional-grade access control and inheritance planning. It integrates with leading hardware wallets and is designed for decades-long horizons, giving hodlers resilient, simple security while maintaining control.