Generate random UUID v4 identifiers using cryptographic randomness.
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d00c5242-ab25-4800-b43a-5b03b8ab71be
2505a16e-efd9-4313-8bde-8f69879b1e30
b7498e95-2cce-4549-be0b-f233cf0113f6
8eddfa4d-ace5-4a61-9e00-5e04229ce7c7
d89ad58a-a1ea-4d32-be01-80e4cc8bbeee
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What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit identifier that is practically guaranteed to be unique. UUID v4 uses random numbers, making collisions essentially impossible. They're widely used as database primary keys, session tokens, and correlation IDs.