← Frederick & SonsBuilt by Frederick & Sons.
Adversarially audited.
You should be skeptical of bold claims about software — especially from a young, founder-led company. So instead of claims, here is the gauntlet every module survives before it can carry your assets or a single dollar — and the checkable artifacts it leaves behind. Methodology, honestly: our modules are architected with frontier AI tooling, then put through adversarial automated review and independent audit passes — no third-party affiliation or endorsement implied.
The gauntlet
01The moonshot bar
Before a line is written, the concept is scored against a ruthless rubric — defensible, depended-on infrastructure with a real buyer, not a feature or a wrapper. Below the bar, it is never built.
02Contract-first build
Architected with frontier AI tooling, then put through adversarial automated review and independent audit passes — no third-party affiliation or endorsement implied. Contract-first: one shared interface, then every module implemented against it, so the integration seams that break hand-assembled software are designed out from the start.
03Security gate
Static analysis refuses anything that could reach the network, read a secret, or execute outside its sandbox. A module that even references those is blocked from shipping — automatically, every time.
04Substance gate
No hollow shells. A module must carry real implementation depth and a genuine API surface; stubs and placeholder bodies are rejected as not-a-product.
05Behavior, proven
Tests run in a no-network sandbox — and then we mutate the code and re-run them. If a test still passes on deliberately broken code, the test is worthless and the module is held back. “Verified” means the tests can actually catch a defect.
06Adversarial audit
Every money and security path is attacked before it ships — adversarial automated review plus independent audit passes probing partial payments, wrong-issuer tokens, leaked data, replay. A release that fails is BLOCKED until fixed and re-cleared. This is not a rubber stamp; releases have been stopped here.
07Provenance on record
Each shipped module carries a provenance card — what it is, which gates it cleared, how strongly its tests held under mutation. The trail travels with the product.
The provenance cards — the machine record
These are not adjectives. Each card below is the recorded output of the gauntlet for that module: build verified, security and substance gates clean, and every deliberately-broken mutant of the code caught by its tests.
Arbitra
verifiedtrue
security gateclean
substance gateclean
mutation kill100% (6/6)
built2026-06-12
Finalis
verifiedtrue
security gateclean
substance gateclean
mutation kill100% (6/6)
built2026-06-12
Meridian
verifiedtrue
security gateclean
substance gateclean
mutation kill100% (6/6)
built2026-06-12
Honesty note: these 3 modules carry full machine provenance today. The rest of the catalog is audited, and its provenance cards are in progress — until a module's card is published here, its badge says exactly that. We do not publish test numbers we cannot show you.
Verify we control the receive wallet →
Before you send a payment, you can prove the checkout address belongs to us — no trust required: wallet-attestation.json is a signed statement over our XRPL receive account.
1Open the attestation and confirm its public_key equals the on-ledger SigningPubKey on transactions sent by the account — view the account on any XRPL explorer (e.g. xrpscan.com) and inspect an outgoing transaction.
2Verify the ed25519 signature over message_hex with that public key, using any ed25519 verifier. If it validates, the operator of this site controls the wallet your payment goes to.
Why this is stronger than a logo
Anyone can paste a badge. What matters is that the bar is enforced in code and the audit can say no — and has. We're early: no customer logos, no testimonials, and we won't invent any. What we have is checkable — the provenance cards above, the signed wallet attestation, and two flagships live in production (Fifty50 and Sentinel).