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OWN THE FUTURE.

The premier platform for Blockchain Security. Master Smart Contract Auditing, DeFi exploits, and Zero-Knowledge proofs. Don't just build dApps. Break them.

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Security Built for Web3

The stakes are higher on the blockchain. Learn to identify Reentrancy, Flash Loan attacks, and Logic errors before they cost millions.

Solidity & Vyper Labs

Launch dedicated EVM environments. Write, deploy, and exploit smart contracts directly in your browser using Foundry and Hardhat.

DeFi Exploitation

Replicate famous hacks in a sandbox. Understand how flash loans, oracle manipulation, and bridge exploits work to prevent them.

On-Chain Reputation

Your profile is your resume. Earn NFTs and on-chain certificates for every challenge you solve, provably verifying your skills.

Engineered Learning Paths

Curated roadmaps designed to take you from generic dev to Smart Contract Auditor.

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Blockchain 101
easy

Blockchain 101

This course is designed to introduce blockchain technology from the ground up, covering both conceptual and technical fundamentals. Participants will gain a clear understanding of how blockchain works, why it is considered trustworthy, and which real-world problems it aims to solve. Core topics such as cryptography, consensus mechanisms, smart contracts, and blockchain security are explained in a clear and structured way, building a solid foundation for further learning.

~40 Hours Modules

Latest Operations

Fresh from the dark web. Can you patch these vulnerabilities?

DeFi Attack Simulator Difficulty: 6/5

The View Function Mirage

A lending protocol relies on the virtual price of an LP token as collateral valuation. The price is fetched via a `view` function from an external pool. Despite having reentrancy protection on all state-changing functions, the protocol becomes insolvent within a single transaction.

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Vulnerability Search Difficulty: 6/5

The Leaf Disguise

An airdrop system distributes tokens based on a predefined Merkle Root. Eligible accounts can claim tokens by providing a Merkle proof. Despite the root being correct and publicly verifiable, unexpected claims begin to succeed.

Deploy Mission
Vulnerability Search Difficulty: 6/5

The Collision Command

A contract exposes a restricted function that is never meant to be callable externally. A user invokes a completely different function signature that does not exist in the source code, yet the restricted logic is executed successfully.

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