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by vbezhenar
714 days ago
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1. UUIDv7 allows to extract timestamp 2. UUIDv7 allows to predict first half, if you know the timestamp. 3. UUIDv7 provides 62 bits of randomness compared to 122 bits for UUIDv4. Whether that's a problem for your particular use-case or not, it's up for you to decide. I don't think that UUIDv7 is "insecure", it just provides different trade-offs and in some situations it might be less secure compared to UUIDv4, but I hardly see any attack vector where you could issue 2^62 requests to brute-force the ID. |
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