R3CTF 2025 开赛在即!!!

R3CTF 2025 开赛在即!!!

本次比赛的奖金由OtterSec和Offside赞助（赞助商排名不分先后），基础设施由Google Cloud 提供。

OtterSec is a blockchain auditing firm, securing a wide range of critical blockchain infrastructure - from custom compilers to novel virtual machines, both on- and off-chain. Their team consists largely of CTF players that enjoy solving hard problems.

Founded by legendary CTF players, Offside Labs is a top-tier security research team made up of highly skilled hackers. We've won top hacking games in the world, including Pwn2Own, DEFCON CTF, Paradigm CTF, GeekPwn, and TianfuCup. We built the 0ops — a historic CTF team — and led the a*0*e, to become a dominant force in the global CTF scene.

本次比赛由r3kapig命题和运维。

比赛基础信息

持续时长48h

日期：星期六, 05 七月 2025, 10:00 CST —— 星期一, 7 七月 2025, 10:00 CST (UTC+8)

比赛平台：https://ctf2025.r3kapig.com/

Support Discord：https://discord.gg/zU64ekBsgA

挑战类别

Web，Crypto，Pwn，Reverse，Misc，Forensics，BlockChain，…

规则

在 CTF 比赛期间，切勿公开分享或发布任何flag/题目附件/writeup。

比赛期间禁止跨队合作。不得与其他队伍讨论题目。

严禁攻击比赛基础设施（DOS/DDOS等）。