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

# Glossary

> **Verified against:** the latest stable release; exact review revisions are recorded in [Pinned source and release revisions](/contribution-and-evidence/source-version-matrix.md).

| Term                 | Meaning                                                                                                                    |
| -------------------- | -------------------------------------------------------------------------------------------------------------------------- |
| atomic unit          | Smallest QWC amount; `100,000,000` atomic units equal `1 QWC`.                                                             |
| Coinbase transaction | Block transaction that creates scheduled subsidy and pays miner/service outputs; unrelated to the exchange named Coinbase. |
| daemon               | `qwertycoind`, which validates, stores, and relays the blockchain.                                                         |
| EPoSE                | Qwertycoin service-evidence and reward protocol; distinct from mining and staking.                                         |
| epoch                | 720-block EPoSE interval, approximately 24 hours at target block time.                                                     |
| identity keystore    | Protected EPoSE operator/service keys; not a wallet and contains no wallet spend/view key.                                 |
| main address         | Primary wallet address, normally beginning `QWC…` on current mainnet.                                                      |
| restricted RPC       | Daemon listener that blocks selected administrative/write methods; it is not automatically harmless or private.            |
| restore height       | Earliest block height a wallet scans when reconstructing transaction history.                                              |
| service key          | Online EPoSE key authorized by the stable operator identity.                                                               |
| subaddress           | Wallet-derived address for payment separation; current mainnet subaddresses commonly begin `Qqb…`.                         |
| tail emission        | Continuing minimum subsidy after the main emission curve reaches its lower bound.                                          |
| wallet cache         | Regenerable transaction/cache data; not a substitute for seed/key backup.                                                  |
| wallet RPC           | `qwertycoin-wallet-rpc`, an authenticated integration process that holds wallet authority.                                 |