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gnahraf.bsky.social
applied & engineering physics guy turned programmer I'm building something new. Here's the first part.. https://crums.io Aurora, CO
87 posts 41 followers 79 following
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Reading this ars article on AI tarpits arstechnica.com/tech-policy/... reminds me of a simpler solution.. The basic idea is to rate-limit (when needed) by requiring the client to solve a proof-of-work puzzle and encode it in the request URI like say my_article.html?PoW=.. #robots.txt 1/

submitted 22 days ago • 1 comment

We are organising the International Workshop on Foundations and Applications of Privacy-Enhancing Cryptography (PrivCrypt) - co-located with ACNS 2025 end of June in beautiful Munich. Submission deadline is March 21, 2025 (AoE). Please help spread the word! 🙏 privcryptworkshop.github.io

submitted 30 days ago • 0 comments

Skip Ledger: a commitment scheme for ledgers crums-io.github.io/skipledger/p... Fixes typos (don't write essays in VS w/o a spell/grammar checker 🫣), includes new sections formalizing some definitions + more pseudo code. Q's, suggestions, or critiques, pls #cryptography #blockchain #notblockchain

submitted 31 days ago • 0 comments

Since, as of today, the US Constitution no longer matters, US states (and their citizens) that have long been pouring a net surplus into federal coffers will get to keep that surplus and spend as they see fit. ~ not joking, just calling it early

submitted 34 days ago • 1 comment

March 2022: Facebook paid GOP firm Targeted Victory to malign TikTok www.washingtonpost.com/technology/2... Archive if you get the paywall: archive.ph/2022.03.30-1...

submitted 35 days ago • 1 comment

Draft paper I wrote over the holidays about skip ledger, a commitment scheme for ledgers and ledger-like data. My paper might not be much.. but the scheme itself, I think, is powerful crums-io.github.io/skipledger/p... Blockchain fan, or not, I think this matters. #cryptography #blockchain

submitted 46 days ago • 1 comment