Security Alert for Fearless Wallet Fearless Wallet is a third-party application, built and maintained by an independent team. Following an investigation by the Polkadot Technical Fellowship on behalf of the @PCF_org, it was found that the Fearless Wallet browser extension had been compromised and had been leaking users’ private keys since February 2025. If you have used the Fearless Wallet browser extension, please create a new keypair with a different wallet and move your funds as soon as possible. Remember to never share your private keys.