---
```
NOTE:
An offline wallet, also known as cold storage, provides the highest level of security for savings.
It involves storing a wallet in a secured place that is not connected to the network (air-gapped).
When done properly, it can offer a very good protection against computer vulnerabilities.
```
Distributed as a Rust crate or can be embedded via foreign function interface (FFI).
For minimalistic CLI tool refer to [Emerald Vault](https://github.com/ETCDEVTeam/emerald-vault), or if you looking for a fully-featured UI wallet, take a look at our [Ethereum Classic Emerald Wallet](https://emeraldwallet.io)
Developed by [ETCDEV Team](http://www.etcdevteam.com/)
## Features
### General
* [x] Accounts
* [x] Transactions signing
* [x] Smart contracts (ABI)
* [ ] C interface (ABI)
## Installation
Ensure you have these dependencies installed:
```
openssl pkgconfig rustc cargo clang
```
`cargo` and `rustc` should be at least versions 0.18 and 1.17 respectively.
Should your distribution or operating system not have a recent `cargo` and `rustc` binaries, you can install them from: http://doc.crates.io/
```
$ cargo install emerald-cli
```
If you use [Nix](http://nixos.org/nix) you may execute the `nix-shell` command in your cloned repository and all dependencies will be made available in your environment automatically.
## Examples
```
extern crate emerald_core as emerald;
use std::net::SocketAddr;
fn main() {
let addr = "127.0.0.1:1920"
.parse::()
.expect("Expect to parse address");
emerald::start(&addr, None, None);
}
```
## References
[JSON-RPC API](docs/api.md)
## Contact
Chat with us via [Gitter](https://gitter.im/etcdev-public/Lobby)
## License
Apache 2.0
