---
title: "valens (@valens) | Hashnode"
description: "Python, SQL, Data, ML, etc. Read the latest articles by valens on Hashnode."
url: "https://hashnode.com/@valens"
---

@valens

# valens

@valens · Joined August 2023

Python, SQL, Data, ML, etc

### [Protect Yourself Against Malicious Solana Validators: A Short Guide](https://valens.hashnode.dev/protect-yourself-against-malicious-solana-validators-a-short-guide?utm_source=hashnode&utm_medium=feed)

validators, solana, pos, proof of stake, security, malicious

6 min read · [valens.hashnode.dev](https://valens.hashnode.dev/protect-yourself-against-malicious-solana-validators-a-short-guide?utm_source=hashnode&utm_medium=feed)

[Apr 17, 2025](https://hashnode.com/posts/protect-yourself-against-malicious-solana-validators-a-short-guide/68018e5d502074e69fa47a45)

### [Understanding and verifying Ethereum transaction calldata](https://valens.hashnode.dev/understanding-and-verifying-ethereum-transaction-calldata?utm_source=hashnode&utm_medium=feed)

The Radiant Capital hack, which resulted in a loss of approximately $50 million, shows the importance of verifying calldata before signing transactions. In this sophisticated attack, hackers compromised developers' hardware wallets and injected malwa...

11 min read · [valens.hashnode.dev](https://valens.hashnode.dev/understanding-and-verifying-ethereum-transaction-calldata?utm_source=hashnode&utm_medium=feed)

[Oct 29, 2024](https://hashnode.com/posts/understanding-and-verifying-ethereum-transaction-calldata/6720721dec58da1f56d669e2)

### [QuickNode: API Guide](https://valens.hashnode.dev/quicknode-api-guide?utm_source=hashnode&utm_medium=feed)

Important links: https://flipsidecrypto.xyz/chispas/quick-node-api-guide-quicknode-api-guide-GrPzL\_ Hi there! Welcome to the QuickNode API guide for data dashboard analysis using LiveQuery at Flipside. In this guide, we'll explore how to leverage Qui...

6 min read · [valens.hashnode.dev](https://valens.hashnode.dev/quicknode-api-guide?utm_source=hashnode&utm_medium=feed)

[Dec 26, 2023](https://hashnode.com/posts/quicknode-api-guide/658b0b7a45fd38160b1de637)

### [How To: Analyze DCA Program on Flipside LiveQuery](https://valens.hashnode.dev/how-to-analyze-dca-program-on-flipside-livequery?utm_source=hashnode&utm_medium=feed)

A guide on how I built my DCA dashboard

13 min read · [valens.hashnode.dev](https://valens.hashnode.dev/how-to-analyze-dca-program-on-flipside-livequery?utm_source=hashnode&utm_medium=feed)

[Aug 25, 2023](https://hashnode.com/posts/how-to-analyze-dca-program-on-flipside-livequery/64e8e9e621bb2ad96c487500)

### [How-To: Analyze Jupiter v3 Metis (Jupiter v6 contract)](https://valens.hashnode.dev/how-to-analyze-jupiter-v3-metis-jupiter-v6-contract?utm_source=hashnode&utm_medium=feed)

Jupiter v3 was announced on July 27th by the Jupiter team on Twitter, and Jupiter v6 is the API contract used in it.

21 min read · [valens.hashnode.dev](https://valens.hashnode.dev/how-to-analyze-jupiter-v3-metis-jupiter-v6-contract?utm_source=hashnode&utm_medium=feed)

[Aug 25, 2023](https://hashnode.com/posts/how-to-analyze-jupiter-v3-metis-jupiter-v6-contract/64e815bb54ac614771dbd16c)