This repository has been replaced by https://github.com/LedgerHQ/ledger-secure-sdk/.
**Please read the new repository README for more information. **
This directory contains the SDK for ST31 applications development
Make sure to use the tagged version matching your development environment as syscalls IDs might have changed
On firmware version 1.6+, 2 SDK branches are temporarily available
-
The main branch tracks the updated SDK merging Nano X UI features (Flow) currently only used for a few appilcations (Bitcoin, Ethereum, SSH, U2F)
-
The og- branches track SDKs compatible with 1.5.5
Developers are encouraged to migrate their application to the updated SDK to create portable applications between Nano S and Nano X devices
If so, you must use this SDK.
For a smooth and quick integration:
- See the developers’ documentation on the Developer Portal and
- Go on Discord to chat with developer support and the developer community.