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NexusCore

NexusCore is the specialized, high-performance financial execution engine of the Nexus blockchain — the second core alongside NexusEVM. It runs enshrined co-processors: native financial modules built directly into the protocol rather than deployed as smart contracts, executing deterministically at 200 ms block intervals.

NexusCore powers the Nexus Exchange. The same co-processor framework is designed to host further financial primitives over time — vaults, oracles, lending, stablecoins, and more.

The Exchange Kernel

The flagship co-processors form the Exchange Kernel — the matching, risk, funding, and liquidation primitives behind the Nexus Exchange:

NexusCore hosting the Exchange Kernel — CLOB, margining, risk, and liquidation engines — surrounded by per-market co-processors.
NexusCore's Exchange Kernel and per-market co-processors.

  • Central Limit Order Book (CLOB) — native order matching with price-time priority.

  • Risk Engine — margining and real-time position risk.

  • Oracle Engine — mark and index pricing for every market.

  • Liquidation Engine — deterministic liquidations and solvency protection.

Because these run in-protocol rather than as contracts, markets execute deterministically and settle with the chain's finality.

Co-processors and parallelism

Each co-processor is an isolated, purpose-built state machine. They run in parallel — independent modules (matching, oracles, future vaults) execute concurrently, and individual co-processors parallelize internally across markets and accounts. The architecture targets near-linear scaling with validator hardware while preserving deterministic execution.

Co-processors expose dual interfaces:

  • a native API (REST + WebSocket) for direct, low-latency access; and

  • an EVM interface (precompiles) so NexusEVM contracts can compose with NexusCore — placing orders, reading market state, and managing margin atomically within a single transaction.

Extensible markets

NexusCore is designed to make markets permissionless to deploy: in time, builders will be able to launch a perpetual market for any asset by supplying an oracle — spanning crypto, FX, commodities, equities, indices, and more exotic markets.

The Nexus Exchange vision — a CLOB at the center serving perps and spot across many asset classes: equities, FX, stables, indexes, options, commodities, information, and LSTs.
One liquidity layer across every asset class.

Role in the system

NexusCore and NexusEVM operate as parallel execution domains with different block cadences — 200 ms for financial execution, 1 second for smart contracts. NexusBFT commits blocks for both with single-slot finality, and the Compute Network proves execution so anyone can verify it.

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