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[Insights_Maven | ∑: @0xrajan_]

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[Insights_Maven | ∑: @0xrajan_]

@MyCAT4999 @CryptoTeluguO @nansen_ai 9

[Insights_Maven | ∑: @0xrajan_]

@CryptoTeluguO @nansen_ai It's Okay, actually checked my PC, and it hadn't been compromised.

[Insights_Maven | ∑: @0xrajan_]

🚨 SECURITY INCIDENT / POSSIBLE WALLET COMPROMISE — @nansen_ai

I need help investigating what appears to be unauthorized activity involving my Nansen wallet(s).

What makes this especially concerning: I had fingerprint/passkey authentication enabled for access to my Nansen wallet. I did NOT knowingly authorize these transfers.

Here is the timeline:

#1. $100 Nansen raffle reward

I won a $100 Nansen raffle reward, and the USDC was credited to my Nansen Solana wallet:

DM2roKySExA77d89VYsLGdbbsuMeQ6yBmHdFSPrxPR85

About 3 hours later, the $100 USDC was sent out without my authorization.

Tx:
3NPaBrjRJwK3PKwNb5MqQEo3N3itoGtkwbqouHwXL1oosc2uPoRLWAZnNLriMaih9fCxZZj6cSybWGMgddLg19xV
Sent to:
2YXUA9ZYK3XeyfGLhunoxzDvMzAeue3K5cGAxjP6Ksev

I did not initiate this transfer.

--------------------------------------------------------
#2. Earlier $369.74 USDC incident

My Nansen/Hyperliquid EVM wallet:

0x43e043cE641b8320B2A887265EbC0D8CfF580aB1

First, 369.940605 USDC was withdrawn from my Nansen/Hyperliquid trading account to Arbitrum.

Because of the 0.20 USDC CCTP fee, 369.740605 USDC arrived on Arbitrum.

The Circle CCTP transaction:
0x2b11cac279d358f568d87437e79d84c710b4419a9b5609b36780a228fc4a83fc

Then exactly 369.740605 USDC was transferred from my wallet without my authorization:

0x97daeb63f1a39f98418f3fba40d2cdf75399ea6a6cd4863c7a002c0b40e6e143
Destination:
0x15Fd861285ad92175fcCE2D5252dc4064DAd8102

I did not initiate any transaction related to this transfer.

#3. Why I'm concerned

The two incidents involve different chains:
• Solana — unauthorized $100 USDC transfer
• Arbitrum — unauthorized 369.740605 USDC transfer

And I had fingerprint/passkey authentication enabled.

#4. What I am asking

@Nansen_AI — please urgently investigate whether this is:

• an isolated wallet compromise
• a compromised account/session
• a Privy/Nansen wallet/signing issue
• an unauthorized device/session
• a malicious dApp/session/approval
• or something affecting multiple Nansen users
@zachxbt — could you please investigate the on-chain destinations and determine whether these funds are connected to the same attacker/entity?

I am especially interested in whether the Solana recipient and Arbitrum recipient ultimately connect to the same cluster.

#5. Important clarification about Circle/CCTP

The earlier $369.74 movement involved Circle's CCTP infrastructure during the Hyperliquid/Nansen → Arbitrum flow.

I am NOT claiming Circle was hacked.
I am asking investigators to determine exactly how the funds moved through the CCTP/Hyperliquid flow and then ended up being transferred from my wallet.

#6. If anyone else using Nansen has experienced unexpected USDC/SOL transfers, especially after receiving funds or raffle rewards, please check your wallet history and report it.

I have already contacted Nansen Support and am preserving the transaction hashes/screenshots.
I have not shared my seed phrase or private key.
Please investigate whether this is an isolated incident or potentially something much larger.

@nansen_ai @zachxbt

[Insights_Maven | ∑: @0xrajan_]

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[Insights_Maven | ∑: @0xrajan_]

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[Prism @PrismFi_]

Perps are now live on Prism

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Step 1: Click on MOSS Connect (you must be logged out of any wallet)
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Link in reply