Patent ID: 11893582
Assignee: NCHAIN LICENSING AG
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A method comprising:
receiving, at a node in a blockchain network, a first transaction to validate, the first transaction including a first script that, as a result of being executed, causes the node to at least:
obtain a first set of field values corresponding to the first transaction; and
obtain a second set of field values corresponding to a particular transaction;

obtaining a second transaction, the second transaction having been validated and including a second script that, as a result of being executed, causes the node to at least:
obtain the first set of field values and the second set of field values of the particular transaction supplied as a result of execution of the first script;
extract a transaction identifier from the first set of field values; and
determine, based at least in part on the second set of field values, that the particular transaction corresponds to the transaction identifier;

validating the first transaction by executing the first script and the second script and wherein the second script constrains an identity of a source of the first transaction.