USDC Approval from Previous Version Results in $340K Exploit through Proxy Contract

Written by Ohris M. Greyoon, Blockchain & Crypto Expert

Source: Coinmarketcap

Updated: Dec 04 2025

Should l Buy TOKEN?

Exploit Overview: A recent exploit involving a proxy contract drained approximately $340,000 from user wallets, linked to a USDC token approval granted in 2020.
Vulnerability of Old Approvals: The incident underscores the risks of leaving outdated token approvals unchecked, as they can be exploited without any new interaction from wallet holders.
Advice for Users: Crypto users are urged to regularly review and revoke unused wallet permissions to prevent potential vulnerabilities from old approvals.
Tools for Safety: Tools like Etherscan Token Approval Checker and Revoke.cash can assist users in identifying and removing unnecessary allowances to enhance wallet security.

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Technical Analysis for TOKEN

Technical Sentiment Analysis for TokenFi (TOKEN) As of , TokenFi (TOKEN) is exhibiting a Neutral technical sentiment. Our proprietary analysis, which aggregates 3 technical signals, shows that 1 indicators are flashing buy, while 2 are indicating sell.

Momentum Indicators: RSI, MACD & Overbought/Oversold Status Currently, the Relative Strength Index (RSI) for TOKEN stands at -, which suggests a Neutral condition. Meanwhile, the MACD (12, 26) indicator is at -, providing a Neutral signal for short-term momentum. Other oscillators like the Stochastic Oscillator at - and the Commodity Channel Index (CCI) at - further confirm a - outlook for the stock.

Support, Resistance & Moving Averages From a structural perspective, TOKEN is trading below its 60-day moving average of $- and below its 200-day long-term moving average of $-. Key price levels to watch include the immediate resistance at $- and strong support at $-. A break above $- could signal a bull continuation, while falling below $- may test the next Fibonacci floor at $-.

TokenFi (TOKEN) Support & Resistance Level

Name	S3	S2	S1	Pivot Points	R1	R2	R3
Classic	0.000722	0.00177	0.0026	0.00364	0.00448	0.00552	0.00635
Fibonacci	0.00177	0.00248	0.00293	0.00364	0.00436	0.0048	0.00552

About TOKEN

TokenFi aims to simplify the crypto and asset tokenization process and eventually become the foremost tokenization platform in the world.The tokenization industry is projected to be a $16 trillion industry by the year 2030. BlackRock, the world’s biggest institutional investor with $10 trillion of assets under management, strongly believes in the industry’s potential, which they call 'the next evolution in markets”.TokenFi is launched by the highly experienced and connected Floki team that launched the popular Floki token that went to an ATH valuation of $3.5 billion. They will be leveraging this same experience to make TokenFi the number one tokenization platform in the industry.

About the author

Ohris M. Greyoon

Ohris M. Greyoon holds a Master’s in Computer Science from MIT and has 10 years of experience in blockchain technology and cryptocurrency markets. A pioneer in decentralized finance (DeFi) analysis, he leads Intellectia’s Crypto News, offering cutting-edge insights into digital assets.

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