Sortable, human-safe transaction IDs (12-char V2) for high-throughput distributed systems.
Project description
txidgen
txidgen generates 12-character, human-safe, lexicographically sortable transaction IDs suitable for payment systems.
Properties
- Length: 12 (
<PREFIX><PAYLOAD11>) - Prefix: 1 letter A–Z (never starts numeric)
- Alphabet: removes ambiguous chars
0 O I 1 U V - Sortable: string sort == creation time sort
- Distributed: supports multiple nodes without coordination
- Throughput: tuned for 10k TPS+ with a few nodes
V2 layout (50-bit payload)
ts10(38 bits): 10ms ticks since custom epoch (default 2026-01-01 UTC)node(4 bits): 0..15currency(4 bits): 0..15seq(4 bits): 0..15 per node per 10ms tick
Install
pip install txidgen
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