S41meter
trusted runtime · interactive demo
METERED INFERENCE

Money → Inference Key
Key → TEE-protected model

A License Server issues a quota-limited Inference Key. The key opens the TEE; the model runs inside it.

Inference Key lifecycle

BUY QUOTAchoose a quota
CUSTOMER
$

Pay for quota

customer hardware is ready

$money waiting
$
money
LICENSE SERVER
KEY SERVICE
QUOTA LEDGER
ISSUER

Waiting for money

The server issues the Inference Key.

KEY
Inference Key
CUSTOMER HARDWARE
INFERENCE NODE
TEELOCKED
▦MODEL
RUN
QUOTA EXHAUSTEDTEE blocks inference

TEE is locked

The model stays protected inside TEE.

QUOTA REMAINING— / —
○
Automatic playbackFirst: buy one quota and open the TEE.
Inference Key lifecyclescene 1 / 2
PAY $ISSUE KEYOPEN TEERUN MODELQUOTA −1BLOCK
License Server · Inference Key · TEE · customer hardware