Why Smart Contract Security Matters

Smart contracts can be vulnerable to errors or malicious backdoors. Professional analysis is essential before entrusting your funds.

THE HARSH REALITY

Breaches continue and the target is mostly EVM-based DeFi. Backdoors and permission errors are the most devastating class.

$2.17B+
Crypto stolen in first half of 2025 (YTD)
303
Hack incidents detected in 2024
82%
Of stolen funds from DeFi protocols in 2022

Critical Vulnerability Classes (EVM)

Backdoors and access errors are the biggest risk. The following topics summarize the most frequently exploited paths.

Uninitialized Proxy

If an ERC1967/UUPS proxy is deployed and not initialized within the same transaction, an attacker can perform the first initialization and take control of admin/implementation. This provides permanent control with backdoor characteristics.

Hidden logic can be injected through upgrades
Explorers can be misdirected (spoofing)
Mass exploitation examples seen (2025)

Hidden Mint / Transfer Backdoors

Hidden mint/burn or transfer restrictions in token contracts, hooks like tax/limit variables that grant privileges to a single address, are used for rug-pulls.

Liquidity can be drained in one move
Can be well hidden in source code (obfuscation)
Static analysis + behavior analysis required

Access Control Issues

Wrong permissions in admin/role modules (ownerless, anyone can call, proxy admin confusion) lead to takeover of funds or ownership.

Admin functions can be opened to everyone
Parameters/supply can be tampered with
Commonly seen in upgradeable architectures

MEV / Front-running

Transactions are visible in the mempool. Bots can get ahead with higher gas (or sandwich) and take your profit. Design measures (commit-reveal, batched auctions) are required.

Price manipulation and slippage loss
Very common in DEXs
Not a code error; design risk

Why Owdit?

Our AI-powered scans reveal backdoors and risk patterns that manual reviews miss.

AI-Powered Analysis

Generates context-aware risk scores from bytecode + source code + behavior signals.

Backdoor/pattern recognition
Proxy/upgrade flow awareness
Continuously updated knowledge base

Instant Results

Detailed reports in seconds for verified/unverified contracts.

Real-time scanning
Actionable recommendations
Upgrade/role security checks

Permanent Storage

All analyses are stored, change impact is tracked with version control.

Always accessible
Version comparison
Historical risk trends

Recent Real-World Case Studies

Explore some of the most recent smart contract exploits in 2025— especially proxy-based backdoors and critical logic flaws.

Kinto (2025) — Proxy Backdoor Exploit

~$1.55M Stolen

The attacker became the first to initialize an uninitialized ERC-1967 proxy contract, gaining admin rights and injecting a malicious implementation. They minted tokens and drained funds from pools.

Large-Scale Proxy Backdoor Campaign

Potential $10M+ Impact

Over the course of several months, attackers targeted thousands of uninitialized proxy contracts. A joint 'war-room' effort by security teams prevented critical funds from being lost.

Source: Venn Network & Dedaub reports (July 2025)

SuperRare Staking Hack (2025)

~$731K RARE Stolen

A vulnerability in the SuperRare NFT staking contract enabled an attacker to steal approximately $731,000 worth of RARE tokens.

Source: Web3IsGoingGreat report (July 2025)

DON'T BE THE NEXT VICTIM

Scan your contract now with Owdit. Catch backdoor, access and proxy risks live; fix instantly with recommendations.