_Follow along with this video:_ --- ### Section 2: Exercises --- 🎯 Exercise: `Sign up for at least 1 security/web3 newsletter!` The reason this is so important is that you are now a security _researcher_. Keyword - `researcher`. You need to constantly be learning and taking in new things. In this course we're going to be studying other people's reports, studying other audits (using a tool called [**Solodit**](https://solodit.xyz/)) and we'll be continuously learning from previous exploits. > Exploits in the space are learning opportunities for us to improve as security researchers. Here are some newletters/resources to check out: - [Blockchain Threat Intelligence](https://newsletter.blockthreat.io/?r=2mgsm7) (referral link) - [Solodit](https://solodit.xyz/) - [Rekt](https://rekt.news/) - [Week In Ethereum](https://weekinethereumnews.com/) - [Consensys Diligence Newsletter](https://consensys.io/diligence/newsletter/) - [Officer CIA](https://officercia.mirror.xyz/) With all that said, you've now completed the high-level overview of what this process looks like. You should be very proud of yourself. Take a break and prepare to dive into our first audit together - Puppy Raffle. Section 2 NFT Challenge 👀 [Hardest one of the whole course (Arb)](https://arbiscan.io/address/0xeab9c7ac697408fd1581494577c7c0716c3b75e6) [Hardest one of the whole course (Sepolia)](https://sepolia.etherscan.io/address/0x34d130b174f4a30a846fed7c02fcf53a19a4c2b6#code)