# FAQ

Topics in this section

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th data-hidden></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>What is cold wallet?</td><td></td><td></td><td><a href="faq/what-is-cold-wallet">what-is-cold-wallet</a></td></tr><tr><td>What are gas fee?</td><td></td><td></td><td><a href="faq/what-are-gas-fee">what-are-gas-fee</a></td></tr><tr><td>What is inactive address/account on TRX?</td><td></td><td></td><td><a href="faq/what-is-inactive-address-account-on-trx">what-is-inactive-address-account-on-trx</a></td></tr><tr><td>What if I send crypto to a wrong address?</td><td></td><td></td><td><a href="faq/what-if-i-send-crypto-to-a-wrong-address">what-if-i-send-crypto-to-a-wrong-address</a></td></tr><tr><td>What is 'The address TRX balance is less than the gas fee required'?</td><td></td><td></td><td><a href="faq/what-is-the-address-trx-balance-is-less-than-the-gas-fee-required">what-is-the-address-trx-balance-is-less-than-the-gas-fee-required</a></td></tr></tbody></table>

