---
title: Development Update
description: In this sprint, we concentrated on Security Audit Bug Fixes, OneWallet UI Changes and SDK Update for interoperability...
image: https://blog.oneledger.io/hubfs/Copy%20of%20Dev%20Biweekly%20Update-1.png
---

- [ALL](https://blog.oneledger.io/topic/all)
- [TECH](https://blog.oneledger.io/topic/tech)
- [GENERAL](https://blog.oneledger.io/topic/general)
- [NEWSLETTER](https://blog.oneledger.io/topic/newsletter)
- [PARTNERSHIPS](https://blog.oneledger.io/topic/partnerships)
- [EVENTS](https://blog.oneledger.io/topic/events)
- [TEAM](https://blog.oneledger.io/topic/team)

# Development Update

Posted by [Sahir Parmar](https://blog.oneledger.io/author/sahir-parmar) on Mar 7, 2020 12:37:42 PM

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![Development Update](https://blog.oneledger.io/hs-fs/hubfs/Copy%20of%20Dev%20Biweekly%20Update-1.png?width=600&name=Copy%20of%20Dev%20Biweekly%20Update-1.png)

 

In this sprint, we concentrated on Security Audit Bug Fixes, OneWallet UI Changes and SDK Update for interoperability.

The list of changes include:

**1. Protocol **

- Security Audit

- Defer Wait Call
- Remove Panic and Return Errors
- Centralize Network Type in a Configuration File
- Complete Ethereum Smart Contract Redesign
- Separate Ethereum Validator Jobs into Create and Execute
- Add Tags for Ethereum Trackers 
- CLI command should fail when sending tokens without setting a counter party

- Kainos Network Configuration

- Add Configuration for Total Currency Supported in the OneLedger Network
- Test Different Operating Systems for Validators
- Validator Key Backups

- Ledger

- Ledger.js for integration with OneWallet Completed

**2. OneWallet 2.0**

- Export PDF for Passphrase 
- Change Beneficiary Account feature
- Transfer Transaction UI implemented, Testing started

**3. SDK**

- Electron and Chrome Extension Local Storage to support SDK Config
- Fee Structure for Interoperability

In the next sprint, we will continue working on Completing the Security Audit Issues, and have the OneWallet 2.0 feature complete for Kainos.

 Tags: [TECH](https://blog.oneledger.io/tag/tech), [ALL](https://blog.oneledger.io/tag/all)

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