Random thoughts here

Random thoughts here https://blog.irrit.us Some random notes from gtg2619 en Sat, 29 Aug 2026 00:00:00 +0800 关于语义与事实的思考 https://blog.irrit.us/blog/thoughtsonsemanticsandfacts/ https://blog.irrit.us/blog/thoughtsonsemanticsandfacts/ Sat, 29 Aug 2026 00:00:00 +0800 gtg2619 关于现阶段去中心化技术的随想 https://blog.irrit.us/blog/thoughtofdecentral/ https://blog.irrit.us/blog/thoughtofdecentral/ Sat, 22 Aug 2026 00:00:00 +0800 gtg2619 AliyunCTF 2026 Writeup: Auction and next-challenge https://blog.irrit.us/blog/aliyunctf2026/ https://blog.irrit.us/blog/aliyunctf2026/ Mon, 02 Feb 2026 00:00:00 +0800 gtg2619 Some CTF Writeups in 2025 https://blog.irrit.us/blog/somewp2025/ https://blog.irrit.us/blog/somewp2025/ Wed, 31 Dec 2025 00:00:00 +0800 gtg2619 Selected awards with other teams https://blog.irrit.us/blog/i/sawards/ https://blog.irrit.us/blog/i/sawards/ Sun, 16 Feb 2025 23:55:17 +0800 gtg2619 blazctf Writeup in zh-CN and poorly edited https://blog.irrit.us/blog/blazctf2024/ https://blog.irrit.us/blog/blazctf2024/ Thu, 03 Oct 2024 23:29:28 +0800 gtg2619 Racing with Mevbot: WMCTF2024 - claim-guard writeup https://blog.irrit.us/blog/wmctf2024/ https://blog.irrit.us/blog/wmctf2024/ Wed, 11 Sep 2024 12:44:53 +0800 gtg2619 Foundry forge script 一二事。some details that need attention https://blog.irrit.us/blog/forgescript/ https://blog.irrit.us/blog/forgescript/ Thu, 18 Jul 2024 17:40:59 +0800 gtg2619 Geekctf - Geekcon writeup: lacking zk constraints & 8 bytes eval contract https://blog.irrit.us/blog/geekctf/ https://blog.irrit.us/blog/geekctf/ Sun, 14 Apr 2024 22:14:00 +0800 gtg2619 Tricky Contracts Collection https://blog.irrit.us/blog/tricky-contracts/ https://blog.irrit.us/blog/tricky-contracts/ Wed, 27 Mar 2024 21:57:31 +0800 gtg2619 Key https://blog.irrit.us/blog/i/key/ https://blog.irrit.us/blog/i/key/ Thu, 21 Mar 2024 14:36:49 +0800 gtg2619 Friends && link https://blog.irrit.us/blog/i/friends/ https://blog.irrit.us/blog/i/friends/ Tue, 19 Mar 2024 20:16:19 +0800 gtg2619 About me https://blog.irrit.us/blog/i/profile/ https://blog.irrit.us/blog/i/profile/ Tue, 19 Mar 2024 20:16:19 +0800 gtg2619 Set Theory https://blog.irrit.us/blog/zknote/post-1/ https://blog.irrit.us/blog/zknote/post-1/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Quadratic Arithmetic Programs https://blog.irrit.us/blog/zknote/post-10/ https://blog.irrit.us/blog/zknote/post-10/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 R1CS to QAP in Python https://blog.irrit.us/blog/zknote/post-11/ https://blog.irrit.us/blog/zknote/post-11/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Encrypted Polynomial Evalution https://blog.irrit.us/blog/zknote/post-12/ https://blog.irrit.us/blog/zknote/post-12/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Quadratic Arithmetic Programs over Elliptic Curves https://blog.irrit.us/blog/zknote/post-13/ https://blog.irrit.us/blog/zknote/post-13/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Groth16 Explained https://blog.irrit.us/blog/zknote/post-14/ https://blog.irrit.us/blog/zknote/post-14/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Circom and Circomlib https://blog.irrit.us/blog/zknote/post-15/ https://blog.irrit.us/blog/zknote/post-15/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Group Theory https://blog.irrit.us/blog/zknote/post-2/ https://blog.irrit.us/blog/zknote/post-2/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Rings and Fields https://blog.irrit.us/blog/zknote/post-3/ https://blog.irrit.us/blog/zknote/post-3/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Elliptic Curve Addition https://blog.irrit.us/blog/zknote/post-4/ https://blog.irrit.us/blog/zknote/post-4/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Elliptic Curve over Finite Field https://blog.irrit.us/blog/zknote/post-5/ https://blog.irrit.us/blog/zknote/post-5/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Bilinear Pairings https://blog.irrit.us/blog/zknote/post-6/ https://blog.irrit.us/blog/zknote/post-6/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Arithmetic Circuits https://blog.irrit.us/blog/zknote/post-7/ https://blog.irrit.us/blog/zknote/post-7/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Rank 1 Contraint Systems https://blog.irrit.us/blog/zknote/post-8/ https://blog.irrit.us/blog/zknote/post-8/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Zero Knowledge Proofs with Rank 1 Contraint Systems https://blog.irrit.us/blog/zknote/post-9/ https://blog.irrit.us/blog/zknote/post-9/ Sun, 10 Mar 2024 00:00:00 +0800 gtg2619 Azure Assassin Alliance CTF 2023 Blockchain https://blog.irrit.us/blog/actf/ https://blog.irrit.us/blog/actf/ Wed, 01 Nov 2023 00:00:00 +0800 gtg2619 Tcp1pctf smartcontract https://blog.irrit.us/blog/tcp1p/ https://blog.irrit.us/blog/tcp1p/ Mon, 16 Oct 2023 00:00:00 +0800 gtg2619 Ethernaut succinct writeup. Where i got start https://blog.irrit.us/blog/ethernaut/ https://blog.irrit.us/blog/ethernaut/ Thu, 12 Oct 2023 00:00:00 +0800 gtg2619 Portswigger Web lab writeup: Cross-site scripting https://blog.irrit.us/blog/webacademyxss/ https://blog.irrit.us/blog/webacademyxss/ Tue, 29 Aug 2023 00:00:00 +0800 gtg2619 wmctf2023 web writeup. in zh-CN https://blog.irrit.us/blog/wmctf/ https://blog.irrit.us/blog/wmctf/ Thu, 24 Aug 2023 00:00:00 +0800 gtg2619 Racing and Smashing the state machine. learn from bh23 https://blog.irrit.us/blog/racing/ https://blog.irrit.us/blog/racing/ Thu, 17 Aug 2023 00:00:00 +0800 gtg2619