Could you elaborate on the function and significance of "op_Cat" in the context of Bitcoin? I've heard of various opcodes in
Bitcoin scripting, but "op_Cat" is not one I'm familiar with. Is it a recently introduced opcode? What purpose does it serve? Does it have any specific use cases or advantages? Understanding its role in Bitcoin scripting would be valuable for developers and enthusiasts alike. Could you provide a brief yet comprehensive description of "op_Cat" and its potential impact on Bitcoin transactions?