Term	Meaning
VPR	Virtual Private Router: the node you run. Exposes an OpenAI-compatible endpoint on localhost and routes requests to peers
Node	One running VPR. Buyer and seller are two views of the same node
Peer	Another node you know by URL (added manually or learned by gossip)
Upstream / model source	An OpenAI-compatible server your node can call: Ollama, LM Studio, OpenAI, OpenRouter, ...
Listing	One model offered by one source at one price. /api/models lists them all
Policy	Weights (price, speed, reputation, privacy), teeOnly and maxPrice used to rank listings
auto, auto:*	Special model names. auto uses your stored policy; auto:cheapest, :fastest, :best, :private override the weights for one request
Receipt	A provider-signed record of one answer: model, tokens, price, amount. Records usage; moves no money
Voucher	A consumer-signed (EIP-712) promise of a cumulative amount to one provider. Moves money when redeemed
Escrow	ElyraEscrow: the contract holding consumers' USDG deposits and paying redeemed vouchers
USDG	A dollar stablecoin (ERC-20, 6 decimals). Real only on mainnet; the testnet uses our MockUSDG
Robinhood Chain	The Arbitrum Orbit L2 used for settlement. Testnet chain id 46630, mainnet 4663. Gas is ETH
Sealed	/p2p/infer bodies are encrypted to the provider's key (X25519 + AES-GCM); plaintext is refused
Gossip	Peers sharing the peers they know, after a signed hello
TEE	Trusted execution environment. Here: Google Confidential Space
CLAIMED	A seller says it is in a TEE. Unverified; ignored by private routing
VERIFIED	A Google-signed attestation passed your trust list. Proven only against a simulated Google so far
Trust list	Container image digests you accept as the official Elyra image
SIM / DEMO	Simulated catalog or demo engine data. Never settled, never real
Loopback-only	Reachable only from the same machine: /api, /v1, /metrics
creditUsd	Max unredeemed USD a provider will serve per consumer wallet
MTok	Million tokens. All prices are USD per MTok
Protocol version	PROTOCOL in router/core/limits.mjs (currently 3). Nodes on different versions refuse each other

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