fearlesswallet

Fearless Wallet: private key leak alert

On October 21, the Polkadot Community Foundation published a notice about the Fearless Wallet extension, an independent application.

According to the notice, versions 3.0.1, 3.0.3, 3.0.4, and 3.0.5 contained code that sent the private key to an attacker’s server when the wallet was unlocked. The code was added on February 19, 2025; the date of the notice is not the date the issue began.

The issue is confirmed in Chrome. Firefox shared code and should be treated as compromised if it was used during the period in question. The mobile versions reviewed do not contain that code; reusing a key exposed in the extension leaves you at risk.

The official recommendation for anyone who used the extension from February 2025 onward is to generate new keys outside Fearless and transfer their funds. Changing the password, reinstalling, or importing the same seed phrase into another app is not enough. Locked funds require specific attention; consult the notice before taking action. Never give your seed phrase to anyone claiming they can recover your funds.

Market snapshot: Binance spot, on 21/10 at 18:26 UTC, showed DOT at 1,189 USDT (+1.54% in 24 hours) and BTC at 84.832,01 USDT (+2.79%). The price change does not allow us to attribute a market reaction to the notice or determine whether an account is safe. The risk described lies in the extension and its keys; it does not demonstrate a failure of Polkadot’s consensus mechanism.

Source: Polkadot Community Foundation notice on its forum.

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Educational content. Not financial advice.

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#PolkadotFoundationWarnsFearlessWalletExtensionLeakedPrivateKeys
🚨 URGENT SECURITY ALERT: FEARLESS WALLET USERS!

Polkadot's community foundation has warned that the Fearless Wallet browser extension was compromised, potentially exposing private keys since February 2025.

⚠️ What affected users should know:
🔐 Treat keys stored in the affected extension as compromised.
🚨 Create a completely new wallet keypair using a trusted, secure wallet.
🛡️ Move remaining funds to the new wallet and never reuse exposed keys.

Don't enter your seed phrase on websites or share it with anyone claiming to offer support.

Wallet security comes first. Protect your funds!🔒

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#PolkadotFoundationWarnsFearlessWalletExtensionLeakedPrivateKeys
A Wallet Called “Fearless,” but Traders Are “Terrified” After Private Keys Are Exposed! 😰
Urgent news for the DOT community: The Polkadot Treasury has issued a warning that the Fearless Wallet extension for Chrome/Firefox is infected with highly dangerous malware! The worst part? Every time you unlock your wallet, this malware innocently sends your Private Key straight to the hacker’s server.
The affected versions are: 3.0.1, 3.0.3, 3.0.4, and 3.0.5. The malware had been lurking undetected from February 2025 all the way through October 2026. So far, 8 people have lost more than 17,000 DOT!
What should Polkadot traders do right now?
🚨 Move your assets immediately: If you imported your wallet into the extension anytime since February 2025, assume that wallet is compromised. Create a brand-new wallet and transfer your funds to it immediately! Changing your password or reinstalling the wallet won’t help.
🛟 Asset rescue: If you have DOT staked or locked for voting, go to Polkadot’s PAPI Rescue tool right away for help recovering it.
⚠️ This is not financial advice!
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