# era\_0x Vault Documentation Welcome to the official documentation for **era\_0x**, a trustless, Ethereum-based smart contract system for crypto estate planning. This documentation provides comprehensive guidance on deploying, using, and understanding the Vault system, including its smart contracts (`Vault.sol` and `HeirModule.sol`). ## What is era\_0x? era\_0x enables secure storage and management of ETH and up to 10 ERC-20 tokens. It features a heartbeat mechanism to track owner activity and allows asset distribution to heirs after a predefined inactivity period. The system is modular, secure, and designed for both owners and heirs. ## Getting Started Explore the following sections to learn more: * Introduction: Understand the system’s purpose and features. * Getting Started: Learn how to deploy the contracts. * Usage: Discover how to interact with the Vault as an owner, heir, or other role. * Contract Functions: Dive into the technical details of the smart contracts. * Troubleshooting: Resolve common issues. * Auditing and Licensing: Review auditing and licensing information. For feedback or to report issues, visit .