salvatoshi on Nostr: Writing apps for hardware signing devices is about to get this easy ``` ...

Writing apps for hardware signing devices is about to get this easy

```
#![cfg_attr(target_arch = "riscv32", no_std, no_main)]

extern crate alloc;
use alloc::vec::Vec;

sdk::bootstrap!();

fn process_message(_app: &mut sdk::App, msg: &[u8]) -> Vec<u8> {
msg.to_vec()
}

pub fn main() {
sdk::App::new(process_message).run();
}
```