Capital One Services, LLC

Judith Rodriguez

Clayton Johnson

Cara Weikel

Andre Young

Methods and systems are described herein for enabling users to access user data of other users using cryptographic tokens. A data access system may be used to enable access. The system may receive a blockchain operation request for enabling access to first user data associated with a first user. The system may generate a cryptographic token and an access entry. When the system receives a second blockchain operation request for accessing the first user data, the system may determine one or more parameters for accessing the first user data. In response to verifying the one or more parameters, the data access system may enable access to the first user data.

Using non-fungible tokens (NFTs) to securely store and share encrypted data

Embodiments relate to content presentation and filtering preferences of viewers tied to blockchain technology for improved use and applicability in multiple channels. For example, a blockchain platform is described via which content preferences stored on non-fungible tokens tied to user identities are provided to content presenters. In one embodiment, the platform receives a request indicating an on-chain address for a user non-fungible token. With the on-chain address, the platform queries an on-chain program stored on the blockchain to obtain content preferences stored on the user non-fungible token. After providing the content preferences to a content presenter, the platform monitors a content session between the presenter and the user, for example, by collecting data from the user during the session. The platform then performs blockchain operations to update a non-fungible token associated with the presenter to reflect whether the content provided during the session by the presenter satisfied the content preferences.

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Falls Church, VA, United States of America

Judith Rodriguez