Glossary

A–C

• AMM — Automated Market Maker; on‑chain liquidity pools with a pricing function (e.g., CPMM).
• Atomic — Property where all legs of a transaction succeed or all fail.
• Batch — Grouping of transactions executed together to reduce leakage and fees.
• CPMM — Constant Product Market Maker; x*y=k pricing model.
• Commit‑reveal — Two‑phase scheme: commit intent, reveal after a window to reduce MEV.
• CU — Compute Units; Solana execution budget per transaction.

D–H

• Delegation — Assign voting power to a representative for governance.
• Dex aggregator — Router that sources liquidity across venues and AMMs.
• Frontrun — Adversary anticipates and trades ahead of a target transaction.
• Guardian — Role with scope‑limited emergency pause powers (not custody).
• Health score — Adapter reliability metric used for dynamic routing weights.

I–P

• Indicative quote — Non‑binding price that may change with market movement.
• Intent — User’s requested trade with bounds, profile, and preferences.
• IOC — Immediate‑Or‑Cancel; fill immediately or cancel the remainder.
• Jitter — Randomized timing to reduce linkage and predictable patterns.
• Mixout — Optional output redirection step to make linkage harder.
• Privacy profile — Preset of parameters that balances latency vs. privacy.
• Program Derived Address (PDA) — Deterministic account address derived by a program.
• Plan — Selected route with concrete legs and constraints.

Q–Z

• Quote — Price and size response from makers (firm or indicative).
• Receipt — Post‑trade record of execution, slippage, and fees.
• Relayer — Network participant that submits transactions on users’ behalf.
• Route — Sequence of legs across makers and AMMs to fulfill an intent.
• Slippage — Difference between expected and executed price.
• Slot — Solana unit of time for block production.
• Timelock — Delay between approval and execution to allow review.
• TTL — Time‑To‑Live; maximum time a quote or intent is valid.
• VWAP/TWAP — Volume/Time Weighted Average Price benchmarks.

See also

For deeper descriptions, see Appendix A — Protocol and Appendix B — Math.