Islamic Development Bank Institute

Sami Al Suwailem

Hilal Houssain

Mohammed Obaidullah

A computer-implemented blockchain based voucher method and system, the method including: recording in a blockchain network, with a user computing device of a user with at least one blockchain based voucher, a purchase request that identifies a proposed purchase with an authorized provider, a purchase amount and the voucher, wherein the voucher comprises a sum of cryptocurrency bound by a set of rules earmarking the voucher to be usable only in transactions between the user and any of a set of one or more authorized providers of goods or services, and wherein the purchase amount is a value that is less than or equal to the total value of the voucher; validating, by the blockchain network, eligibility of the purchase request, based on the set of rules binding the voucher; unbinding the set of rules from the purchase amount of the voucher when the proposed purchase is completed.

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Jeddah, Saudi Arabia

Sami Al Suwailem