# Cyfrin/security-and-auditing-full-course-s23

The ultimate, most advanced, security, DeFi, assembly, web3 auditor course ever created.

Repository: https://github.com/Cyfrin/security-and-auditing-full-course-s23
Canonical: https://ross.abutalabs.com/products/security-and-auditing-full-course-s23
Language: Solidity
License: GPL-3.0
License Family: copyleft
Topics: cryptocurrency, ethereum, security, smart-contract-audit, solidity
Last push: 2026-07-08T12:25:21+00:00

## Health v2 (maintenance only)
Score: 69/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 91, release rhythm 35, longevity 78
- inputs: {"age_days": 1097, "days_push": 56, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1948, forks 452 (observed 2026-08-28T04:05:57.958143+00:00)

## What it is
A comprehensive open-source course repository by Cyfrin Updraft and The Red Guild covering smart contract auditing, security, assembly, and DeFi. It houses the written course content for becoming a smart contract auditor.

## Use cases
- learn smart contract auditing from scratch
- become a web3 security auditor
- study solidity security vulnerabilities
- learn evm assembly and yul
- prepare for smart contract audit jobs
- understand defi protocol security

## When to choose
- you want a free, structured path into smart contract auditing
- you already know solidity basics and want to specialize in security
- you prefer written course material paired with video lessons

## When to avoid
- you need a security scanning tool rather than educational content
- you are a complete beginner with no solidity experience
- you need audited production code

## Facets
- artifact type: learning-resource
- maturity: active
- function: security, developer-tools, documentation
- domain: blockchain, security, tutorials
- platform: cross-platform
- tags: smart-contracts, solidity, defi, auditing, web3, course, cyfrin, assembly, cryptocurrency

## Member repositories
- Cyfrin/security-and-auditing-full-course-s23 (main) score 69

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:57.958143+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:06:58.504011+00:00, confidence not recorded.
  - readme: https://github.com/Cyfrin/security-and-auditing-full-course-s23 (fetched 2026-08-28T04:05:57.958143+00:00, sha 989800f42bdf)
- Data as of 2026-08-30T08:39:29.467469+00:00.