---
title: OneLedger v0.5.3 Release
description: We continue to improve and develop version 0.5.3, focusing on the OLT hash-lock mechanism.
image: https://cdn-images-1.medium.com/max/800/1*KpIDbjI7-afb9IdnJ3UREg.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)

# OneLedger v0.5.3 Release

Posted by [OneLedger](https://blog.oneledger.io/author/oneledger) on Sep 10, 2018 12:02:00 PM

- [Tweet](https://twitter.com/share)

![](https://cdn-images-1.medium.com/max/800/1*KpIDbjI7-afb9IdnJ3UREg.png)

We continue to improve and develop version 0.5.3 ([*click here*](https://github.com/Oneledger/protocol/releases/tag/v0.5.3)), focusing on the OLT hash-lock mechanism. On this basis, the next step will be to improve the underlying mechanism of OneLedger, including time-locking, multi-signature transactions, etc., which altogether will achieve atomic swap between Bitcoin/Ethereum and OLT.

**Smart Contract Virtual Machine Module:** Completed the technical selection and the internal document design of the virtual machine, and began the development of the prototype version of the virtual machine.

---

**IN PROCESS**

- ***Full-node containerization enhancements:*** Since the MVP focuses on illustrating the Bitcoin and Ethereum atomic swap driven by OneLedger, our docker container includes a complete Bitcoin test chain, Ethereum test chain, and OneLedger test chain. We are developing a single OneLedger full-node container to initiate node access for testnet, whenever individuals and partners want to launch a OneLedger node.
- ***Transaction-driven long-run computation mechanism:*** We adopted a mechanism in MVP to implement a transaction-driven long-run computation, but we found that this mechanism has a limitation in scalability for computation that needs to span multiple blocks. So we have redesigned the mechanism over the past two weeks and are developing it.
- ***Development Team: ***Our dev team is putting in a lot of effort in interviewing and recruiting Blockchain Engineers.

---

If you would like to understand more about atomic swap, you can read this article: [*click here*](https://medium.com/@OneLedger/cross-chain-compatibility-6eef12bcdfdc)

If there are any questions, issues or suggestions, please report them to the @oneledgerdev Telegram group or add an issue directly to the Oneledger/protocol GitHub.com repository.

 

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

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