# Glossary

<table><thead><tr><th width="212">Term</th><th width="484" valign="top">Definition</th></tr></thead><tbody><tr><td><strong>DePIN Deployer</strong></td><td valign="top">Owner of a Distribution Stream; deploys the contracts for shards, distribution stream, and directs their token flows.</td></tr><tr><td><strong>Distribution Stream</strong></td><td valign="top">Scheduled event where the DePIN Deployer periodically streams a specified token to Shard holders.</td></tr><tr><td><strong>Shards</strong></td><td valign="top">SPL tokens representing percentage-based entitlements to a Distribution Stream.</td></tr><tr><td><strong>Emission Token</strong></td><td valign="top">The SPL token the DePIN Deployer streams to Shard holders.</td></tr><tr><td>DePIN</td><td valign="top">Decentralized Physical Infrastructure Networks; where dApps use tokens to incentivize communities to build and maintain physical infrastructure networks.</td></tr><tr><td>PDA</td><td valign="top">Program Derived Addresses; provides a deterministic way to find data based on the seeds used for the derivation.</td></tr><tr><td>SPL</td><td valign="top">Solana Program Library; The SPL Token is the Solana blockchain analog</td></tr><tr><td>CPI</td><td valign="top">Consumer Price Index, essentially a measurement of inflation in the economy and uses data on market price changes.</td></tr></tbody></table>

