In this three article series the Scrypt team explores innovative use cases for Bitcoin's OP_CAT operation, including trustless ordinal sales through covenants, efficient Merkle tree construction, and secure vault mechanisms, highlighting how OP_CAT can enhance Bitcoin's functionality.
Part 1 | Part 2 | Part 3

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🔗 Bitcoin OP_CAT Use Cases Series #1: Covenants
The OP_CAT opcode has potential to enhance the flexibility and functionality of Bitcoin, if reactivated. It allows developers to create impressive new features such as covenants.