Solana Prime Broker Sandbox

A compliance-aware sandbox for institutional Solana rails that still want speed.

A runnable Solana prime broker sandbox fusing Token-2022 transfer hooks, on-chain compliance gates, DvP atomic settlement, and cross-margin lending into one operator surface.

Reactor is not protocol operations tooling for an existing venue. It is a pre-implementation sandbox for DeFi strategy, market structure, and risk design.

Sandbox dossier · Runnable evidence · Scenario surface

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What this sandbox is

A runnable market-structure lab with fixed scenarios, explicit reports, and a source trail. This is not ops software for a deployed protocol. It is a sandbox dossier for a specific engine category before implementation.

Why it matters

Token-2022 transfer hooks, Solana compliance primitives, and DvP wrappers have opened the institutional prime broker category on Solana, but no one has shipped a runnable reference that fuses compliance gates, cross-margin lending, and atomic settlement. The Solana Prime Broker Sandbox is that reference surface.

Operator readout

In Fabrknt, Solana Prime is a pressure-bearing sandbox where market design, trust assumptions, and operational discipline all become legible under stress.

Primitives

▸Token-2022 hooks
▸Compliance gates
▸DvP atomic settle
▸Cross-margin lending
▸Perp composition
▸Risk consolidation

Scenarios

The Solana Prime sandbox is still pre-release. The scenario suite lands with the same 5-section report contract as the shipped surfaces, so when this category opens up, the story, evidence trail, and repo will all arrive together.

Coming soon

Be first when Solana Prime Broker Sandbox ships.

Tell us what market surface you are trying to own and we will follow up the moment the Solana Prime sandbox becomes useful to that mission.

Request early access →

We read every submission ourselves · No auto-funnel

Pre-migration snapshot

The deeper sandbox content — full per-scenario walkthroughs, multi-dial sweeps, full asciinema chain — lived on the static-HTML version of this page. It's preserved on the pre-monorepo-snapshot branch and gets ported into native React surfaces as Phase 2 continues.