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1. (WO2018125370) METHOD AND SYSTEM FOR PROVIDING VALIDATED, AUDITABLE, AND IMMUTABLE INPUTS TO A SMART CONTRACT

Pub. No.:    WO/2018/125370    International Application No.:    PCT/US2017/058440
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Fri Oct 27 01:59:59 CEST 2017
IPC: G06Q 20/06
G06Q 20/36
G06Q 20/38
G06F 21/64
Applicants: MASTERCARD INTERNATIONAL INCORPORATED
Inventors: DAVIS, Steven, Charles
Title: METHOD AND SYSTEM FOR PROVIDING VALIDATED, AUDITABLE, AND IMMUTABLE INPUTS TO A SMART CONTRACT
Abstract:
A method for posting of auditable, immutable data to a blockchain includes: receiving a blockchain comprised of a plurality of blocks, each block being comprised of at least a block header and one or more transaction values, wherein each transaction value includes at least a transaction hash; receiving a data file associated with a specific transaction hash included in a block in the blockchain, wherein the data file includes one or more variables; modifying at least one of the one or more variables included in the data file; generating a new hash value via application of one or more hashing algorithms to the modified data file; generating a new transaction value based on at least the generated new hash value and the specific transaction hash; digitally signing the generated new transaction value; and electronically transmitting the signed new transaction value.