Pierre is the first to solve it. Congrats!

Here's the long-awaited solution to my HashCache CTF challenge. It uses SSRF and two CRLF injections. Congratulations again to rosen for figuring it out! smarx.com/posts/2020/09/…

Probabilistic payments are a possible solution to the micropayments problem. I wrote a blog post last night about them: smarx.com/posts/2020/09/…

If you're looking to volunteer in the upcoming US election, my sister put together a great calendar and guidance for how to get involved: tinyurl.com/onesmallthing2…

Dynamic programming is easy! I wrote a post with nice visualizations and a step-by-step approach to finding dynamic programming solutions. smarx.com/posts/2020/09/…

How do you rescue 10 million dollars from a vulnerable smart contract without letting attackers know it’s there? Last Tuesday, epheph, SparkPool, There.Is.Now.Alternative⚡🤖, @wadealexc, and I found out. samczsun.com/escaping-the-d…

Today I asked my wife, "Do you ever try to say 'Mitch McConnell' when you burp?" She said no. I guess opposites really do attract.

You can skip Ready Player Two.

Just add @cache! Memoization in one line of Python: smarx.com/posts/2020/12/… Also contains my solution for Advent of Code day 10.

I wrote a basic introduction to Firebase's Cloud Firestore: smarx.com/posts/2021/01/… I'm planning a series of posts, so stay tuned.

I just published a new blog post in my series about Firestore. This one is about combining Firestore and Firebase Authentication: smarx.com/posts/2021/01/….

"How to actually benefit the planet with NFTs" <-- tomorrow at 2pm PDT on Clubhouse. Interesting topic, but also a FASCINATING lineup of experts from art, technology, philanthropy, and climate change. I expect a great conversation. Please join us! joinclubhouse.com/event/xnkJ7Qdw

Starting now!

I'm discussing “Ben Ashton & Josh Steele (aka Flux Pavilion) 1st NFT drop” with Art Min, Kirsten Anderson, Steve Marx, Joseph Pallant, Annie Owens, atta Boy and Conor Byrne. Tomorrow, 21 May at 7:30 pm BST on @clubhouse. Join us! joinclubhouse.com/event/PNzN8pBZ

I did an NFT thing with Art Min. Trying to have some fun. You don't need to spend any money. No roadmap.

Nft_lord7 Thanks! This melted my brain for a few days but sooo much fun to learn. Thank you for giving me the opportunity to work on such a cool puzzle.

It's time! Buy some non-fungible clothes. I designed all the artwork myself. Feel free to buy both ironically and unironically, but don't you dare right-click. Perhaps the real non-fungible tokens are the friends we made along the way. Join some cool people in our Discord.

BTW, here's the collection on OpenSea so you can see what these tokens are: opensea.io/collection/the…

New blog post : Capture the Ether writeup, where I share the notes I took as I solved each challenge. It's not as verbose as my previous posts but I wanted to show my reasoning rather than doing a tutorial. Thanks a lot Steve Marx for creating this. rphad.com/en/blog/2021/1…

I've been at Metronome for about a year now. I work with an incredible team on a huge opportunity. If you're interested, we're hiring: jobs.lever.co/getmetronome