Ethereum · Preliminary Audit

WETH9

0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

Preliminary Risk Rating

Informational

Heuristic score: 5/100 — not a substitute for a full audit.

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Contract Metadata

NameWETH9
Address0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
ChainEthereum (chainId 1)
Compilerv0.4.19+commit.c4cbbb05
ERC standards detectedNone detected
UpgradeableNo
Owner-gated functions0
Source files1

Heuristic Flags

Floating pragma
Compiler version is floating (^0.4.18). Lock to a specific version for reproducibility.
No standard ERC interface detected
Contract does not appear to implement ERC-20, ERC-721, or ERC-1155.

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FAQ

Is WETH9 on Ethereum safe?

Based on our automated preliminary scan, WETH9 (0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2) has a Informational risk rating. Flags raised: Floating pragma; No standard ERC interface detected. A preliminary scan is not a substitute for a full audit — run the free AI audit at /audit or commission a manual audit at /audit/manual for production deployments.

What compiler does WETH9 use?

WETH9 is compiled with Solidity v0.4.19+commit.c4cbbb05. It is a non-upgradeable contract.

How can I audit this contract myself?

Paste the explorer URL (https://etherscan.io/address/0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2) into our free AI audit at https://www.cryptohawking.com/audit. You'll receive a full audit report covering SWC vulnerabilities, gas optimizations, and centralization risks in under 90 seconds. For production-critical contracts, commission a $5,000 manual audit by Crypto Hawking (ETHDenver 2025 winner) at /audit/manual — 3 business days, paid in ETH/SOL/USDT.