TODA cryptographic files replace paper hand receipts, fuel logs, and supply chain documents with tamper-evident digital assets that verify without connectivity — on any device, in any environment.
Drop a TODA file below — hand receipt, fuel certificate, supply transfer, or any TODA-wrapped document. Integrity is verified locally on your device. Nothing is transmitted. No connectivity required.
TODA's offline-first design was engineered for environments where connectivity cannot be assumed. Every capability functions in full EMCON conditions.
| Cryptographic Digest | SHA-2 (SHA-256) |
| Signing Algorithm | ECDSA · secp256k1 |
| Transfer Cost | < $0.01 per transaction |
| Settlement Time | < 60 seconds |
| Connectivity Required | None · fully offline capable |
| Verification Method | Local · device-only · no server |
| Transfer Modes | IP · Bluetooth · USB · SD card |
| File Size (proof) | < 10 kb per transfer |
| Throughput | 1M transactions / hour |
| Fragmentation | Native · sum always equals original |
| Tamper Detection | Immediate · any field alteration |
| Database Required | No · asset is the record |
| Blockchain Required | No · ledgerless file protocol |
| Hardware Requirement | Any device · GFE compatible |
| Protocol Pedigree | Cambridge CRDC · UCL · ARM · 2017 |
| Classification | UNCLASSIFIED · CUI capable |
Access to defense-specific documentation, technical specifications, and integration support is provided to qualified organizations. Contact us to discuss your operational requirements.