Fuente: WIPO "sustainability" A method of managing digital assets is provided. The method includes receiving an input identifying a first digital wallet. One or more non-fungible tokens associated with the first digital wallet are identified. From the one or more non-fungible tokens, sustainability tokens are selected, each of the sustainability tokens being associated with a corresponding sustainability digital asset. For each of the sustainability tokens, a uniform resource indicator for the corresponding sustainability digital asset is retrieved from a distributed blockchain ledger and based on the uniform resource indicator, attributes of the corresponding sustainability digital asset are retrieved. A composite sustainability score is generated based on the attributes of the sustainability digital assets associated with the sustainability tokens, which is compared to a first benefit criteria and when the composite sustainability score meets the benefit criteria, a first benefit is provided to an owner of the first digital wallet.