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Aspens Documentation

Aspens is a non-custodial crosschain trading protocol. The first service built on it is the Aspens Market Stack (AMS) — an orderbook + matching engine with on-chain trading contracts on every connected chain.

Funds stay under user control: deposits sit in per-chain trading contracts (MidribV3 on EVM, the Midrib Anchor program on Solana), orders match instantly and cost no gas to place, and every trade settles natively on the chains involved — no bridges, no wrapped assets.

Read this next

  • Introduction — what Aspens is and how it fits together
  • Core Concepts — one book across chains, self-custody, settlement
  • Quick Start — your first crosschain trade
  • Operator Guide — deploy and configure a stack
  • Developer Guide — build apps against a stack
  • API Reference — gRPC services and message shapes
  • Tools — aspens SDK, CLI, REPL, admin
  • TEE — background on the trusted execution environments the signer runs inside

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