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Blockchain security has a talent problem: the pace of new protocols and smart contracts is outrunning the number of hackers trained to break them safely. To help close that gap, HackenProof partnered with Hack The Box (HTB)—now the world's largest ethical hacking community, with a loyal base of more than 4 million members—to build a dedicated line of CTF-style blockchain security challenges.
What started as a weekly challenge series has grown into a full gamified track, giving hackers a structured, hands-on way to learn blockchain exploitation from the ground up, and giving the top performers a direct path into HackenProof's crowdsourced bug bounty ecosystem.
Background of the Partnership
HackenProof has long worked to strengthen the security of the digital and blockchain space. Hack The Box, meanwhile, has built its reputation as one of the most trusted platforms for practical, real-world-inspired security training—the same platform now trusted by the Fortune 500, government agencies, and a community of 4M+ cybersecurity professionals worldwide.
Together, the two companies set out to do for blockchain security what HTB has already done for traditional penetration testing: turn abstract vulnerability classes into hands-on, gamified CTF challenges that hackers actually want to solve.
A Dynamic Playground for Blockchain Hackers
Hack The Box's platform is a digital arena where security professionals sharpen their offensive skills against an ever-evolving set of real-world-inspired scenarios. Bringing blockchain security into that arena means smart contract bugs, protocol-level flaws, and Web3-specific attack vectors are no longer confined to theory—they're something hackers can exploit hands-on, learn from, and get better at every week.
Inside the Challenges: CTF Meets 8-Bit RPG
The HackenProof x HTB blockchain content is built around two connected formats:
Weekly CTF Challenges
- A new CTF challenge was released on HTB every week, curated by HackenProof's security researchers to cover the vulnerability classes attackers actually exploit in the wild.
- The series spans 10 quests of varying difficulty, each targeting a different weak point in blockchain and smart contract design.
The Blockchain Security Track
- Building on the challenge series, HackenProof and HTB launched a dedicated Blockchain Security Track: 8 challenges, ranging from easy to very hard, designed to take a hacker from first principles to advanced blockchain exploitation.
- Both formats are fully gamified as an immersive 8-bit RPG experience—learners step into the role of Alex, navigating a world of mythical creatures while working through real smart contract vulnerabilities. It's a deliberately different way to teach a technical, often dry subject: courage, curiosity, and problem-solving are rewarded just like in any good RPG.
What Hackers Get Out of It
Beyond the skills and the CTF format itself, completing the track comes with tangible benefits for the HackenProof community:
- A profile badge marking your achievement, visible to the rest of the HackenProof hacker community.
- Eligibility for a private, invite-only crowdsourced smart contract contest—a direct bridge from learning to earning inside HackenProof's bug bounty ecosystem.
- Practical, transferable skills in smart contract and Web3 vulnerability classes that map directly onto real bug bounty and audit work.
Why It Matters Now
Blockchain adoption keeps expanding into finance, gaming, and enterprise infrastructure, and so does the attack surface. Training a new generation of hackers who understand blockchain-specific vulnerabilities, not just traditional web and network exploitation, is one of the more effective ways to keep that growth safe. Pairing HackenProof's blockchain security expertise with Hack The Box's 4-million-strong community and CTF infrastructure gives that training real reach.
