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Future brain-computer interface (BCI) possibilities include seamless identity authentication via neural signals, eliminating passwords or biometrics. BCIs could interpret brainwave patterns to unlock credentials, navigate interfaces, or authorize transactions. Decentralized identity (DID) systems might integrate BCIs for secure, effortless login. Ethical frameworks would address privacy, consent, and neural data protection, paving the way for inclusive, hands-free identity management for individuals with disabilities.