# Dev Update 5 Aug 2025

**URL:** <https://talk.neptune.cash/t/dev-update-5-aug-2025/89>\
**Category:** News and Announcements\
**Tags:** dev-updates\
**Created:** [August 5, 2025, 6:07pm UTC](https://talk.neptune.cash/t/dev-update-5-aug-2025/89 "2025-08-05T18:07:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![neptune-team](https://talk.neptune.cash/user_avatar/talk.neptune.cash/neptune-team/32/18_2.png) [@neptune-team](https://talk.neptune.cash/u/neptune-team)\
**Post date:** [August 5, 2025, 6:07pm UTC](https://talk.neptune.cash/t/dev-update-5-aug-2025/89/1 "2025-08-05T18:07:00Z")

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![neptune-banner](https://talk.neptune.cash/uploads/default/original/1X/3e76822acc7dcfcb498d95fe5340996dc945ea98.jpeg)

### Last week by the numbers

**neptune-core**

- [30 commits to master branch](https://github.com/Neptune-Crypto/neptune-core/commits/master/?since=2025-07-28&until=2025-08-04)
- [3 issues closed](https://github.com/Neptune-Crypto/neptune-core/issues?q=is:issue+state:closed+closed:2025-07-28..2025-08-04)
- [5 pull requests raised](https://github.com/Neptune-Crypto/neptune-core/issues?q=is:pr+created:2025-07-28..2025-08-04)
- [2 pull requests merged](https://github.com/Neptune-Crypto/neptune-core/issues?q=is:pr+merged:2025-07-28..2025-08-04)

**twenty-first**

- [2 commits to master branch](https://github.com/Neptune-Crypto/twenty-first/commits/master/?since=2025-07-28&until=2025-08-04)

## Neptune Happenings

### New Video: Memory Hard Proof of Work

[![](https://talk.neptune.cash/uploads/default/original/1X/9fc852a19216f2b041f799d9be401539d2f29f58.jpeg "Memory-Hard Proof-of-Work") ](https://www.youtube.com/watch?v=1BCs7obhejA)

### New UTXO Redemption Tutorial:

A big thanks to Telegram users Jastar13 and Kaffin who have provided this tutorial:

> **[UTXO Redemption Tutorial](https://neptune.cash/articles/utxo-redemption-tutorial)**
>
> Step-by-step guide to building and using Neptune Core's redeem branch to generate UTXO redemption claims from the legacy chain.

### neptune-legacy Github Repo Created

For purposes of UTXO Redemption a [new repo](https://github.com/Neptune-Crypto/neptune-legacy) has been created where users can obtain neptune-core binaries suitable for syncing the old blockchain and submitting a claim request.

### Memory Hard Proof of Work (PoW) Implementation

The memory-hard proof of work has been implemented and merged. 40 GB of RAM is required for efficient guessing. This implementation aims to align proving and guessing, such that the same hardware can be used for both.