# 4. 信用证明（Proof of Credit）

- [4.1 流程](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.1-liu-cheng.md)
- [4.2 信用数据的组成](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.2-xin-yong-shu-ju-de-zu-cheng.md)
- [4.3 计算过程](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.3-ji-suan-guo-cheng.md)
- [4.3.1 同态加密隐私计算](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.3-ji-suan-guo-cheng/4.3.1-tong-tai-jia-mi-yin-si-ji-suan.md)
- [4.3.2 差分隐私计算](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.3-ji-suan-guo-cheng/4.3.2-cha-fen-yin-si-ji-suan.md)
- [4.4 区块写入](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.4-qu-kuai-xie-ru.md)
- [4.5 一致性和防止攻击](https://ccc-23.gitbook.io/xin-yong-lian-bai-pi-shu/4.-xin-yong-zheng-ming-proof-of-credit/4.5-yi-zhi-xing-he-fang-zhi-gong-ji.md)


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