# 白皮书 v0.2 → v0.3

详细 changelog 见仓库内：

[`docs/whitepaper/CHANGELOG-v0.2-to-v0.3.md`](https://github.com/leeleeEcho/babyDriver_Layer2/blob/main/docs/whitepaper/CHANGELOG-v0.2-to-v0.3.md)

主要变化：

* 摘要 §4 加 chain 391 LIVE facts 表
* §7.7 测试基础设施量化 (1248 tests + 12 byte-pin + 5 active gate detector + 16 invariant×256)
* §10.6 重写 roadmap with v0.3 链上事实
* §10.10 B4-Phase2 真 fraud-proof e2e
* §10.11 L2 OPA SDK e2e
* §12 Q1-Q2 progress reconciliation
* §13 加 4 PoC risk rows
* Appendix A: 33 contract addresses + 10 key tx hashes + cast 自验证脚本
* Appendix B: v0.2→v0.3 diff table


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