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GoPlus: 402bridge Suspected of Theft, Over 200 Users Have USDC Stolen Due to Overauthorization
BlockBeats News, October 28th, the official GoPlus announcement on social media stated that the x402 cross-chain protocol 402bridge was suspected of being stolen. The contract creator transferred ownership to an address starting with 0x2b8F, and then the new contract owner called the transferUserToken method in the contract to transfer all remaining USDC authorized by users' wallets.
Reportedly, due to the need to authorize USDC to the 402bridge contract before minting, over 200 users had their remaining USDC transferred away due to authorizing an excessive amount. The address starting with 0x2b8F9 transferred a total of 17693 USDC from users and then swapped the USDC for ETH, which was subsequently transferred across multiple chains to Arbitrum.
GoPlus recommends that users who participated in the project promptly revoke (0xed1AFc4DCfb39b9ab9d67f3f7f7d02803cEA9FC5) the relevant authorizations. Before authorizing, check if the authorization address is the official address of the project. Only authorize the required amount and avoid unlimited authorizations. Regularly check authorizations and revoke those that are no longer needed.
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WEEX P2P update: Country/region restrictions for ad posting
To improve ad security and matching accuracy, WEEX P2P now allows advertisers to restrict who can trade with their ads based on country or region. Advertisers can select preferred counterparty locations for a safer, smoother trading experience.
I. Overview
When publishing P2P ads, advertisers can now set the following:
Allow only counterparties from selected countries or regions to trade with your ads.
With this feature, you can:
Target specific user groups more precisely.Reduce cross-region trading risks.Improve order matching quality.
II. Applicable scenarios
The following are some common scenarios:
Restrict payment methods: Limit orders to users in your country using supported local banks or wallets.Risk control: Avoid trading with users from high-risk regions.Operational strategy: Tailor ads to specific markets.
III. How to get started
On the ad posting page, find "Trading requirements":
Select "Trade with users from selected countries or regions only".Then select the countries or regions to add to the allowlist.Use the search box to quickly find a country or region.Once your settings are complete, submit the ad to apply the restrictions.
When an advertiser enables the "Country/Region Restriction" feature, users who do not meet the criteria will be blocked when placing an order and will see the following prompt:
If you encounter this issue when placing an order as a regular user, try the following solutions.
Choose another ad: Select ads that do not restrict your country/region, or ads that allow users from your location.Show local ads only: Prioritize ads available in the same country as your identity verification.
IV. Benefits
Compared with ads without country/region restrictions, this feature provides the following improvements.
Aspect
Improvement
Trading security
Reduces abnormal orders and fraud risk
Conversion efficiency
Matches ads with more relevant users
Order completion rate
Reduces failures caused by incompatible payment methods
V. FAQ
Q1: Why are some users not able to place orders on my ad?
A1: Their country or region may not be included in your allowlist.
Q2: Can I select multiple countries or regions when setting the restriction?
A2: Yes, multiple selections are supported.
Q3: Can I edit my published ads?
A3: Yes. You can edit your ad in the "My Ads" list. Changes will take effect immediately after saving.
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