Polkadot has alerted users of the third-party Fearless Wallet browser extension to move their funds immediately after discovering a security flaw that leaked private keys to an attacker-controlled server intermittently from February 2025 to October 2026. Four versions of the extension sent users' private keys, exposing accounts to theft, with at least eight users reporting unauthorized transactions totaling 17,286 DOT. Polkadot emphasized that Fearless Wallet is not an official product and advised users to generate new keys in a different wallet, such as Nova Wallet, and transfer their assets promptly. Users are also warned about potential recovery scams and may need additional tools like PAPI Rescue for staked or locked funds.
Polkadot's recent security alert about Fearless Wallet key leaks provides context for cryptocurrency market activity. For readers following major cryptocurrencies on Pluang, as of Oct 21, 2026 21:43 WIB, 30 of 50 major cryptocurrencies rose while 19 fell. Notable movers include EOS at Rp12.649 with an 8.13% increase, COMP at Rp455.340 with a 5.17% rise and a buy order activity of 68%, and MANA at Rp1.597 with a 4.17% gain but predominantly sell orders at 87%.
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