Help Center

Why didn't my card show my BTC balance?

CoolWallet S/Pro is a fully offline hardware device. After sending or receiving transactions, you must pair your phone with the card and manually sync your asset balances to update the information on the card. To sync your balances: Open the...

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Which Bitcoin Address Types Are Supported by CoolWallet?

CoolWallet supports three types of Bitcoin (BTC) addresses: BTC Custom Segwit: Addresses start with "3" BTC Nested Segwit: Addresses also start with "3" BTC Taproot: Addresses start with "bc1p" The main difference between these address types is the protocol used...

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How to Transfer ETH from an Exchange to CoolWallet?

The default ETH address in CoolWallet is on the Ethereum chain. Therefore, you can directly select the Ethereum chain on the exchange’s send screen to send ETH to your CoolWallet address. Additionally, CoolWallet Pro users can receive ETH through the...

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How to Receive BTC from the BSC Chain on CoolWallet ?

To receive BTC on the Binance Smart Chain (BSC) network, you’ll need to add BTCB (BEP-20) as a custom token in the CoolWallet App. Steps: Open the CoolWallet App and go to the Wallet page. Tap "Manage" in the top-right...

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When Do I Need to Enter a Memo/Tag?

A memo or destination tag is a short string of letters and/or numbers used to identify a transaction so that funds can be credited to the correct account. ＊Frequently traded cryptocurrencies that require a Tag/Memo: XRP, XLM, ATOM, CRO, HBAR, EOS, BTS,...

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Why does it keep showing 'insufficient balance' when I try to withdraw funds, even after reducing the amount?

When sending transactions from your CoolWallet, the address you're withdrawing from must hold enough of the network’s main coin to cover transaction fees.For example, when sending USDT (BEP-20) via the CoolWallet App, you’ll need enough BNB in the address to...

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How do I transfer cryptocurrency, if the wallet doesn’t support the required network?

If you can’t find the token you need in the token list under "Manage Wallet", you can manually add it as a custom token. To add a custom token: Open the CoolWallet app. On the wallet page, tap "Manage" (on...

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Where can I find information such as Network Name, Chain ID, RPC URL, etc. for custom networks?

Please note that only EVM-compatible chains can be added manually. If you’re unsure about the blockchain information, you can check ChainList (https://chainlist.org/) for details. The required fields include: Network Name, Chain ID, RPC URL, and Symbol (native token name). The...

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How to add a Custom Networks to your CoolWallet?

Custom Network feature is now live on CoolWallet Pro and CoolWallet HOT! Step 1: Go to the Settings page, tap on “Custom Networks,” and then tap “Add.” Enter the key information for the custom blockchain you want to add. Step...

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