# Calibration Rules

## .btc Name Calibration Rules

Some case including spaces,  "" is only used to show the full name clearly.

<table><thead><tr><th width="177">Scenes</th><th width="167">Case</th><th>Indexer View</th><th>Valid</th></tr></thead><tbody><tr><td>Default</td><td>"jack.btc"</td><td>jack.btc</td><td>✅</td></tr><tr><td>Capitalized initials</td><td>"Jack.btc"</td><td>jack.btc</td><td>✅</td></tr><tr><td>Capitalized name</td><td>"JACK.btc"</td><td>jack.btc</td><td>✅</td></tr><tr><td>All capital letters</td><td>"JACK.BTC"</td><td>jack.btc</td><td>✅</td></tr><tr><td>Uppercase suffix</td><td>"jack.BTC"</td><td>jack.btc</td><td>✅</td></tr><tr><td>Wide characters</td><td>"比特币.btc"</td><td>比特币.btc</td><td>✅</td></tr><tr><td>Emoji</td><td>"😀.btc"</td><td>😀.btc</td><td>✅</td></tr><tr><td>Multiple splits</td><td>"hi.jack.btc"</td><td></td><td>❌</td></tr><tr><td>First black</td><td>" jack.btc"</td><td></td><td>❌</td></tr><tr><td>Tail blank</td><td>"jack.btc "</td><td></td><td>❌</td></tr><tr><td>Middle blank</td><td>"hi jack.btc"</td><td></td><td>❌</td></tr><tr><td>First and last black</td><td>" jack.btc "</td><td></td><td>❌</td></tr><tr><td>Trailing line feed</td><td>"jack.btc\n"</td><td></td><td>❌</td></tr><tr><td>First line feed</td><td>"\njack.btc"</td><td></td><td>❌</td></tr><tr><td>Middle line feed</td><td>"hi\njack.btc"</td><td></td><td>❌</td></tr><tr><td>First and last line feed</td><td>"\njack.btc\n"</td><td></td><td>❌</td></tr><tr><td>JSON/JSON5</td><td><p>{</p><p> "p":"sns",</p><p> "op":"reg",    "name":"jack.btc"</p><p>}</p></td><td></td><td>❌</td></tr></tbody></table>