Keystone

Overview

Keystone provides SDK support for integrating air-gapped hardware wallet functionality into applications built on Avalanche. With recent grant support, Keystone is expanding its capabilities to include X-Chain and P-Chain support.

SDK Components

• Firmware: Open-source firmware for secure transaction signing
• Integration SDK: Coming soon with X-Chain and P-Chain support
• QR Code Protocol: Specifications for air-gapped transaction signing

Integration Features

• Air-Gapped Security: QR code-based transaction signing
• Multi-Chain Support: Current C-Chain with upcoming X-Chain and P-Chain support
• Cross-Platform: Support for both desktop and mobile applications
• Hardware Security: Secure element protection for private keys

Coming Soon

Integration documentation and SDKs for Avalanche chains will be available in the coming months, enabling developers to:

• Initialize QR code scanning for air-gapped communication
• Generate and manage wallet addresses
• Implement secure transaction signing
• Handle key management within secure hardware

Use Cases

• Wallet Applications: Add air-gapped hardware wallet support
• Mobile Applications: Implement QR-based transaction signing
• DeFi Applications: Enable secure hardware wallet transactions
• Cross-Chain Applications: Support multi-chain operations

Documentation

Full SDK documentation and integration guides will be released alongside the upcoming X-Chain and P-Chain support.

Conclusion

Keystone's upcoming SDK support for Avalanche chains will provide developers with tools to integrate secure, air-gapped hardware wallet functionality into their applications. The SDK will enable robust security features through QR code-based signing, making it ideal for applications requiring high-security standards.