TRACE EVERY HELPING HAND
透明意味着资金可追踪，而不是公开每个人
A3ID 设计为可从捐赠意图追踪到具体动物或项目，再到审批、兽医/供应商证据、付款、收据与对账。
1
Donation / Contribution
restriction + donor privacy choice
restriction + donor privacy choice
2
Animal / Program Sub-ledger
double-entry, source reference, immutable event ID
double-entry, source reference, immutable event ID
3
Case + Approval
Maker → Checker → Approver
Maker → Checker → Approver
4
Vet / Supplier Evidence
invoice, treatment record, receipt, hash
invoice, treatment record, receipt, hash
5
Reconciliation + Public Projection
verified totals with personal data redacted
verified totals with personal data redacted
✅ 在法人主体、支付、会计、审批、对账与隐私控制通过之前，公开捐赠功能不会启用。
Audit trail
Event ID · actor/role · timestamp · case/animal · evidence hash · approval · reconciliation status.