> ## Documentation Index
> Fetch the complete documentation index at: https://olanas.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary

> Plain-language definitions for Olanas and onchain payments.

<AccordionGroup>
  <Accordion title="Block explorer">
    A website for inspecting transactions, addresses, tokens, and contracts recorded on a blockchain.
  </Accordion>

  <Accordion title="Chain ID">
    A number wallets and applications use to distinguish one EVM-compatible network from another.
  </Accordion>

  <Accordion title="Contract address">
    The unique onchain address of a smart contract on a particular network. Names and symbols are not unique; the address is the important identifier.
  </Accordion>

  <Accordion title="ERC-20">
    A common interface for fungible tokens on EVM-compatible networks.
  </Accordion>

  <Accordion title="HTTP 402">
    An HTTP status code named “Payment Required.” Olanas uses it as part of a project-specific payment challenge flow.
  </Accordion>

  <Accordion title="Mainnet">
    A production blockchain network where assets can have real value.
  </Accordion>

  <Accordion title="Payment proof">
    Data submitted to the server so it can locate and validate an onchain payment. The current proof includes a transaction hash and payer address.
  </Accordion>

  <Accordion title="Testnet">
    A development network that uses assets with no monetary value.
  </Accordion>

  <Accordion title="Transaction hash">
    A unique identifier used to look up an onchain transaction.
  </Accordion>

  <Accordion title="Vesting">
    A schedule that releases an allocation over time instead of making it transferable immediately.
  </Accordion>

  <Accordion title="Wallet signature">
    A cryptographic approval produced by a wallet. A signature can authenticate a listing or authorize other actions; always read the request before signing.
  </Accordion>
</AccordionGroup>