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1. (WO2017187399) IMPLEMENTING LOGIC GATE FUNCTIONALITY USING A BLOCKCHAIN

Pub. No.:    WO/2017/187399    International Application No.:    PCT/IB2017/052467
Publication Date: Fri Nov 03 00:59:59 CET 2017 International Filing Date: Sat Apr 29 01:59:59 CEST 2017
IPC: G06Q 20/36
G06Q 20/38
G06F 21/62
Applicants: NCHAIN HOLDINGS LIMITED
Inventors: WRIGHT, Craig Steven
SAVANAH, Stephane
Title: IMPLEMENTING LOGIC GATE FUNCTIONALITY USING A BLOCKCHAIN
Abstract:
The invention presents a solution in which blockchain Transactions are created to implement the functionality of a logic gate. The invention may be implemented on the Bitcoin platform or an alternative blockchain platform. The transaction includes a locking script which comprises instructions selected so as to implement the functionality of a logic gate, such as the XOR gate. When the script is executed (because a second transaction is attempting to spend the output associated with the locking script) the inputs will be processed by the conditional instructions to provide an output of TRUE or FALSE. The inputs are pre-processed by one or more computing agents so that they are evaluated to TRUE or FASLE prior to being used as inputs to the script. The second transaction is transmitted to the blockchain network for validation and, if determined to be valid, it will be written to the blockchain. Validation of the second transaction can be interpreted as a TRUE output. Thus, the locking script of the first transaction provides the functionality of the desired logic gate. The invention provides numerous advantages and can be used in a wide variety of applications, such as for the implementation of control systems and unit.