Copycat Contract Detector

WHAT IT DOES

Copycat Contract Detector uses AI-powered analysis to identify whether a token contract is a copycat of a legitimate project, a fork with malicious modifications, or a novel deployment with suspicious similarities. Scan token contract bytecode to detect patterns that match known scams, verified protocols, and recently deployed copycat contracts. Analyze function signatures to identify functions commonly used in scams — unrestricted minting, blacklisting, owner-only transfers, and admin key backdoors. Compare proxy patterns and admin key configurations against known templates. Examine ownership settings and minting permissions for unusual controls. Check liquidity locking status and recent transaction history. The tool generates similarity metrics comparing the target contract against a database of known scam contracts and legitimate protocol templates. The AI then translates these technical findings into a plain-language verdict — Suspicious Copycat, Modified Fork, Legitimate Template, or Novel — with specific flags and code references.

HOW TO USE

1. Connect your Web3 wallet (Ethereum, Polygon, Arbitrum, Optimism, BSC, or any EVM-compatible chain).

2. Select the network that matches your target chain from the dropdown.

3. Paste the contract address you want to analyze.

4. Select comparison depth (standard or deep).

5. Click "detect copycat" to read on-chain data, generate similarity metrics, and produce an AI explanation.

6. Review the verdict, specific flags, and final recommendation.

7. Make an informed decision about whether the contract is safe to interact with.

8. Remember: the AI explanation informs your decision, but your wallet's signature prompt is what actually protects you — always review it before signing.

TECHNICAL MECHANISM

Copycat Contract Detector reads real on-chain data including bytecode, function signatures, ownership configuration, and recent transaction history. The tool uses bytecode similarity comparison to identify contracts that share significant code with known templates. It extracts function signatures from the bytecode and compares them against a database of scam patterns and legitimate protocol function sets. It analyzes admin key configuration patterns (single-key, multi-sig, renounced) and ownership settings. It checks for minting permissions, blacklist functions, and other common scam modifications. It examines proxy patterns and upgradeable contract configurations. The parsed on-chain data and similarity metrics are then passed to the AI bridge (BGAI.generate) which produces a structured verdict in plain language. The AI explanation is capped at 1,024 tokens and focuses on actionable flags rather than general commentary. The tool presents the verdict and specific flags before any action is taken, enabling the user to make an informed decision about interacting with the contract.

WHAT IT CANNOT SEE

This tool cannot guarantee detection of all copycat contracts — sophisticated scams may use obfuscation or novel techniques not yet recognized. It cannot detect obfuscated or hidden similarities that are not apparent from bytecode analysis. It cannot verify that similar code patterns are malicious rather than legitimate forks, as many legitimate projects fork and modify open-source code. It cannot ensure that all known scam contracts are in the comparison database. The AI analysis is based solely on the data provided — it cannot detect off-chain intent, future contract upgrades, or social engineering attacks. Always verify critical information independently and never rely solely on automated analysis for financial decisions. The AI explanation is generated and does not replace reviewing what you are actually signing in your wallet.

PLEASE NOTE

Copycat Contract Detector supports EVM-compatible blockchains only (Ethereum Mainnet, Goerli, Polygon, Arbitrum One, Optimism, BNB Smart Chain, and others via network selection). The tool requires a free API key for the AI bridge. The tool never submits transactions or signs messages; it is strictly read-only. The AI explanation is generated after reading on-chain data — always review your wallet's signature prompt before approving any transaction. Similarity detection does not prove malicious intent; legitimate forks can share significant code with their sources. Deep comparison may take longer but provides more thorough analysis.