Review · Technical

TECHNICAL ARCHITECTURE

Kernel, application topology, data model, and deployment assumptions.

BANKABIL PRE-SEED DATA ROOM

Prepared for authorized diligence review

VERSION 1.0 · JULY 30, 2026

In ReviewVERSION 2.2UPDATED Jul 26, 2026ACCESS — EXTENDED REVIEWCONFIDENTIAL

Investor summary

A native Rust kernel with Ruby bindings issues and verifies receipts. Fifteen standalone Rails applications embed it, each owning one receipt domain and its own database.

Kernel design, signing, and schema versioning
Application topology and isolation between domains
Data model and retention
Local verification path and test vectors
Build, check, and release process

Related exhibits

Kernel test vectors
Verification report
Schema registry export

Limitations

Third-party security certification has not been obtained; see security and risk.

Performance figures are from local benchmarks on stated hardware.

Document history

v2.2Jul 26, 2026Verification report attached; awaiting final approval.
v2.0Jul 1, 2026Kernel section rewritten after Rust import.

Document control

Effective date: Jul 26, 2026
Version: 2.2
Approved for review: Pending
Last reviewed: Jul 26, 2026
Download: View only
Format: PDF · view only
Access level: Extended review
Classification: Confidential

Status

Content exists and is awaiting final approval.