Terminal demo
Run a bankable receipt in 90 seconds.
Generate, verify, tamper, and bundle — an underwriting workflow, end to end. The tamper failure is the point. Live interactive SDK launching at sdk.blkbxs.xyz — join the waitlist to run it against your own project.
01 · Generate02 · Verify03 · Tamper04 · Bundle
Terminal
blkbxs-sdk$ blkbx init underwriting-assistant
signing key generated · project: underwriting-assistant
$ blkbx receipt create --scenario underwriting
receipt: rcpt_demo.json SIGNED ✓
$ blkbx verify rcpt_demo.json
VERDICT: VALID hash-chain intact
$ blkbx tamper rcpt_demo.json --field recommendation=deny
wrote rcpt_demo.tampered.json
$ blkbx verify rcpt_demo.tampered.json
VERDICT: INVALID signature does not match
$ blkbx bundle create --type vendor-risk
bundle: bnd_7c9d → 8 sections, 42 receipts, ready for review ✓
Receipt inspector
SIGNED- receipt.id
- 0x1d77…9e04
- action
- loan.approved
- model.version
- underwrite-agent-v2 · 2.1.4
- policy.ref
- credit_policy_v3
- controls
- 4 / 4 fired
- human.review
- approved · ops-224
- signer
- ops-ceo-key-01
- hash.chain
- intact
- recommendation
- approve → deny (tamper)
- verify
- VALID → INVALID
Bank bundle
bnd_7c9d- 01Use-case summary
- 02Receipt map (42)
- 03Model & version metadata
- 04Policy & control mapping
- 05Evidence digest summary
- 06Review packet sections
- 07Open diligence questions
- 08Reusable checklist
Launch the interactive SDK
Want to run this against your own workflow?
Join the waitlist. We open the live SDK to new projects in weekly batches.