> For the complete documentation index, see [llms.txt](https://inferra.gitbook.io/inferra-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://inferra.gitbook.io/inferra-docs/glossary.md).

# Glossary

<table data-search="false"><thead><tr><th>Term</th><th>Meaning</th></tr></thead><tbody><tr><td>GPU-hour</td><td>One GPU running for one hour. The unit compute is bought, sold, and priced in.</td></tr><tr><td>Tier</td><td>A GPU model on the marketplace: A5000, A100, H100, H200, MI300X, or B200.</td></tr><tr><td>GPU-hour index</td><td>The live price of one hour of a given GPU model, and the rate a rental settles at.</td></tr><tr><td>Compute claim</td><td>GPU-hours you have bought and hold, redeemable later for access to a real machine.</td></tr><tr><td>Escrow</td><td>Funds held on-chain, released to the provider only after a machine is delivered.</td></tr><tr><td>Redeem</td><td>Turn purchased GPU-hours into a running machine you reach over SSH.</td></tr><tr><td>Lease</td><td>A live rental: a machine delivered over SSH, metered by the hour, for up to 30 days.</td></tr><tr><td>Provider</td><td>An operator who lists real GPUs and delivers them to renters.</td></tr><tr><td>Provider bond</td><td>Slashable stake a provider locks to list capacity, starting at 100 USDC.</td></tr><tr><td>Slashing</td><td>Taking part of a provider's stake when they fail to deliver, to make the buyer whole.</td></tr><tr><td>Verified provider</td><td>A provider whose hardware was reviewed by a person before going live.</td></tr><tr><td>Non-custodial</td><td>Inferra never holds your funds; you sign every transaction, and escrow is controlled by the program.</td></tr><tr><td>$INFERRA</td><td>The fixed-supply token of the ecosystem, used for staking, provider bonds, and trading collateral.</td></tr><tr><td>USDC</td><td>The dollar-pegged stablecoin rentals settle in.</td></tr><tr><td>Buyback and burn</td><td>Using protocol fees to buy $INFERRA and permanently destroy it, reducing supply.</td></tr><tr><td>Staking</td><td>Locking $INFERRA to earn a share of protocol fees, with no lock-up.</td></tr><tr><td>Perpetual</td><td>A leveraged position on the GPU-hour index with no expiry, cash-settled against the price.</td></tr><tr><td>Dated future</td><td>The same position with a settlement date, used to lock the cost of compute ahead of time.</td></tr><tr><td>Insurance fund</td><td>Protocol capital that backs the trading venue against losses.</td></tr></tbody></table>


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