After over a year of writing, running and iteration on Invariant Testing with Echidna and Medusa. Saving 100s of millions via audits and over 20 millions of live funds. We're Open Sourcing the Recon Extension! The one extension to write and improve your invariant tests. 🧵👇

Important Python Functions

A Crash Course on Building AI Agents! Here's what it covers: - What is an AI agent - Connecting agents to tools - Overview of MCP - Replacing tools with MCP servers - Setting up observability and tracing All with 100% open-source tools!

I've looked at 100s of Smart Contracts and these are the best Morpho Sablier Solmate Solady Ajna Uniswap Seaport Curve Art Gobblers Maple Merit Aave

7 must-know runtime complexities for coding interviews: 1. 𝐎(1) - 𝐂𝐨𝐧𝐬𝐭𝐚𝐧𝐭 𝐭𝐢𝐦𝐞 - The runtime doesn't change regardless of the input size. - Example: Accessing an element in an array by its index. 2. 𝐎(𝐥𝐨𝐠 𝐧) - 𝐋𝐨𝐠𝐚𝐫𝐢𝐭𝐡𝐦𝐢𝐜 𝐭𝐢𝐦𝐞 - The runtime

Anthropic dropped the best free masterclass on prompt engineering

MIT's Advanced Data Structures by Prof. Erik Demaine Lecture notes: courses.csail.mit.edu/6.897/spring03…

Basics of networking

Cybersecurity For Researchers

Ranked: The Most Important Job Skills in 2025 💼 visualcapitalist.com/ranked-the-mos…

Harvard's "Linear Algebra with Probability" by Oliver Knill PDF:people.math.harvard.edu/~knill/teachin… (audio generated by NotebookLM)

When it comes to Mathematics, He is the BEST. Absolute beginner friendly.

A list with 100+ Immunefi bug bounty write-ups. A lot to learn from this repo, as all of those bugs were found in live and already audited projects. Constantly updated thanks to sayan🫡 github.com/sayan011/Immun…

I was using Claude Code wrong 🤦‍♂️ Here's everything I learned and how to get most out of Claude Code 👇 Thread time

If you want to become good at code reviews, here are some aspects you must focus on:

Best Practices in API Design

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🔐 How to hack a Web3 wallet (legally) – Full-stack pentesting guide Part 1: blog.valkyri.xyz/posts/wallet-e…

Introducing Chain Pulse: Just run ---> `npx chainpulse` Chains currently cooking: - BNB Chain - MegaETH - Taraxa - Monad ⨀ - Base - Unichain sepolia - Polygon one command to quickly understand - throughput - tx activity - address activity and other key

nEver miss web3 security best kept secret