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Re: undefined
#2ULID (Universally Unique Lexicographically Sortable Identifier) and KSUID (K-Sortable Unique Identifier) are both popular time-sortable alternatives to UUID. Both formats provide time-ordering for better database performance, but they differ in size (128-bit vs 160-bit), encoding (Crockford Base32 vs Base62) and timestamp precision (millisecond vs second).