Glossary

Atrium's subsystems carry short names - Plinth, Sigil, Lantern, and so on. Here is what each one is, in plain English, and what it does for you. The branded name is the identity; the plain label is what you see across the app.

Margin engine

Plinth

Nets your risk across every venue into one buying-power number, so the same collateral backs more.

Vault

Coffer

Holds your collateral as an ERC-4626 vault - deposits and withdrawals stay yours, not the venues’.

Agent mandates

Sigil

Delegate trading to an agent with hard limits you sign yourself: per-action cap, daily count, expiry.

Liquidation guard

Vigil

Watches your margin and unwinds positions in small steps before you ever go underwater.

Cross-chain transfers

Aqueduct

Moves collateral across chains over Chainlink CCIP; it becomes buying power the moment it lands.

Proof of reserves

Lantern

Prove your vault balance on-chain in seconds - no trust required.

Agent leaderboard

Rostrum

Ranks agents by real on-chain performance so you can choose who to delegate to.

Session keys

Postern

Passkey login plus scoped session keys, with a one-tap kill switch that revokes everything.

Data API

Codex

Pay-per-call market and risk data over x402 - the same feeds the agents read.

Access tiers

Edict

Optional KYC tiers that unlock features for jurisdictions that require them.

Tax export

Tablet

Download an auditor-grade tax history of your trades, by jurisdiction.

Governance timelock

Praetor

Every admin change waits behind a 48-hour timelock you can watch on-chain.

Venue adapters

Portico

The open standard each venue plugs into, so new markets add without a fork.

Indexer

Scribe

Indexes on-chain events into the live numbers you see - nothing is faked.

Research