Application service provider (ASP) featuring software for use in enabling users and devices to share privacy preference information, and to process, control, track, and audit privacy-impacting behaviors within a secured-access, privacy-enhancing exchange network utilizing blockchain-based platforms and distributed ledger technology; Computer services, namely, creating an on-line community for registered users to share privacy preference information with devices, and to process, control, track, and audit privacy-impacting behaviors of devices within a secured-access, privacy-enhancing exchange network utilizing blockchain-based platforms and distributed ledger technology; Computer services, namely, creating an on-line virtual environment for enhancing privacy by enabling users and devices to share privacy preference information, and to process, control, track, and audit privacy-impacting behaviors within a secured-access, privacy-enhancing exchange network utilizing blockchain-based platforms and distributed ledger technology; Platform as a service (PAAS) featuring computer software platforms for enhancing privacy by enabling users and devices to share privacy preference information, and to process, control, track, and audit privacy-impacting behaviors within a secured-access, privacy-enhancing exchange network utilizing blockchain-based platforms and distributed ledger technology; Software as a service (SAAS) services featuring software for enhancing privacy by enabling users and devices to share privacy preference information, and to process, control, track, and audit privacy-impacting behaviors within a secured-access, privacy-enhancing exchange network utilizing blockchain-based platforms and distributed ledger technology