Paying with crypto is simple once you know three things: which coin, which network and which address. Mix those up and funds can disappear.
This guide walks through depositing and withdrawing at Bitcoin casinos in plain language: the coins that Duel and Bitz publish as supported, how networks and fees work in general, how to protect your wallet and how to make a first deposit without avoidable mistakes. We do not quote fixed fees or confirmation times, because they change with network load; your wallet shows a live estimate before you send anything.
Before you start. Online-casino legality depends on your country. Both operators hold an international Anjouan licence, not a local one. Check local law and the operator's restricted-countries list first, and play only if you are 18+ (or the higher local age).
Which coins Duel and Bitz accept
| Coin | Duel | Bitz |
|---|---|---|
| Bitcoin (BTC) | Yes | Yes |
| Lightning | Not listed | Yes |
| Ethereum (ETH) | Yes | Yes |
| Tether (USDT) | Yes | Yes |
| USD Coin (USDC) | Yes | Yes |
| Solana (SOL) | Yes | Yes |
| Toncoin (TON) | Yes | Yes |
The coin list can change, so confirm it in the cashier. Our reviews of Duel and Bitz cover each operator in more detail, and the ranking page shows how payments factor into our comparison.
Choosing a coin
Bitcoin (BTC)
The most widely supported coin. Its price can move noticeably between the time you deposit and the time you withdraw.
Lightning
A layer on top of Bitcoin for fast, low-cost payments. It needs a Lightning-capable wallet, and routing limits apply to larger amounts.
USDT and USDC
Stablecoins pegged to the US dollar. They reduce price swings, but they run on several networks, so choosing the right one matters. Stablecoins carry their own issuer risk.
ETH, SOL and TON
Smart-contract chains with their own wallets and address formats. Do not send one coin to another chain's address.
Coin comparison at a glance
| Coin | Price behaviour | Best suited to | Main caution |
|---|---|---|---|
| BTC | Can move a lot in dollar terms | Players who already hold Bitcoin | Fees and speed vary with network load |
| Lightning | Same as BTC | Small, frequent transfers | Wallet compatibility; limits on larger sums |
| USDT / USDC | Aims to track the US dollar | Players who want predictable value | Multiple networks; issuer risk |
| ETH | Can move a lot | Players with an Ethereum wallet | Fees vary with congestion |
| SOL | Can move a lot | Players who use Solana wallets | Separate address format |
| TON | Can move a lot | Telegram-linked wallet users | May need a memo or tag |
How a crypto payment works
A blockchain is a shared public ledger. When you send crypto, your wallet signs a transaction with a private key and broadcasts it. Validators or miners include it in a block, and each further block makes it harder to reverse. That is the idea behind confirmations. You do not need to understand the cryptography to use it safely, but a few concepts help.
Address
A string of characters that identifies where funds should go. Bitcoin, Ethereum, Solana and TON addresses look different from each other, and an address for one chain is generally not valid on another.
Network
The chain a transaction travels on. The same stablecoin can exist on several networks, each with its own address format and fee behaviour. The casino shows a deposit address for the exact coin and network you choose.
Private key and seed phrase
The secret that controls a wallet. Whoever holds it controls the funds. Legitimate casinos and support staff never need it.
Transaction ID
A unique reference for your transfer. Paste it into a block explorer to see its status at any time.
Networks and fees in general
A transaction fee goes to the network, not to the casino, and it varies with network load. Busy periods cost more and may confirm more slowly. We do not quote specific fees or confirmation times because they change constantly; your wallet shows a live estimate before you send.
A confirmation means a block containing your transaction has been added to the chain. Casinos usually credit a deposit after a set number of confirmations, which differs by coin and operator. Withdrawals have the extra operator-side steps described in our fast withdrawal guide.
Network mismatch is the classic mistake. USDT exists on multiple networks. If you send it on a network the casino does not support for that address, the funds may not be recoverable.
Who pays what
| Cost | Who receives it | Can you influence it? |
|---|---|---|
| Network fee on a deposit | The blockchain's validators or miners | Often yes: wallets let you choose a priority level |
| Network fee on a withdrawal | The blockchain; the operator may pass it on or cover it, so read the cashier | Usually not directly |
| Exchange withdrawal fee | Your exchange, if you fund the deposit from one | Choosing a different network may change it |
| Currency conversion spread | The exchange or swap service you use to buy crypto | Comparing providers helps |
| Price movement | Nobody; it is market risk | Stablecoins reduce it |
The exact costs depend on the services you choose and on the day. Treat any number you see in a forum or video as out of date and rely on your wallet's live estimate.
Getting crypto in the first place
If you do not hold any crypto yet, you will need to buy some. Most people use a regulated exchange or a wallet app with a built-in purchase option. Whatever you choose, compare the total cost, not only the headline fee: spreads, payment-method surcharges and withdrawal fees all count. Buy only what you can afford to lose, and remember that exchanges usually require identity verification under their own rules, independent of any casino.
Moving funds from an exchange to a casino is a withdrawal from the exchange and a deposit at the casino. The exchange may impose its own minimums, holds or whitelisting steps. For a calm first attempt, allow time and start with a small amount.
Step-by-step: making a first deposit
- Check legality. Make sure online casinos are allowed where you live, and that your country is not on the operator's restricted list.
- Open your wallet. Use a wallet you control or a reputable exchange account that supports withdrawals.
- Pick coin and network in the cashier. The casino shows a deposit address for exactly that combination.
- Send a small test amount first. Confirm it arrives before sending more.
- Copy the address carefully. Use copy and paste, then compare the first and last characters.
- Wait for confirmations. The balance updates once the required confirmations are reached.
- Read the bonus terms. If you claim an offer, understand wagering first; see our bonus guide.
Worked example: a first deposit (hypothetical)
This example uses made-up figures and is not a statement about any real transaction or fee.
Suppose a player wants to deposit the equivalent of 100 USDT. They open the cashier, choose USDT and select a network their wallet supports. The cashier shows an address. Instead of sending everything, they first send 10 USDT. When it appears in the balance, they send the remaining 90 USDT to the same address. The test costs one extra network fee, but it removes the risk of losing the whole amount to a wrong network or a mistyped address. For many people that is a fair price.
If the player has a bonus in mind, they read its terms before the second transfer, not after. Bitz, for example, offers a 200 % crypto match plus 250 free spins up to 1,500 USDT, but publishes no wagering, free-spin game or maximum bet in public info, so the promo terms are the place to look. Duel has no traditional welcome bonus; it pays instant rakeback instead.
Depositing with Lightning
Lightning is a payment layer built on Bitcoin that lets users send small amounts quickly. Bitz lists it; Duel does not list it among its published coins. The flow normally looks different from an on-chain deposit.
- Choose Lightning in the cashier and enter the amount.
- The cashier shows an invoice, often as a QR code and a long text string.
- Open a Lightning-capable wallet and pay the invoice.
- The payment settles in a short time and the balance updates.
Invoices usually expire, so pay them promptly and do not reuse an old one. Lightning also has practical limits: channel liquidity and routing constraints can make larger payments harder, and some wallets are custodial, which means a company holds the keys. If you want the simplest experience for a modest amount, Lightning is worth trying; for large amounts, an on-chain transfer may be more practical.
Withdrawing
Withdrawals follow the same logic in reverse: choose the coin, paste your own wallet address and confirm the network. You may be asked to verify your identity first. Use an address you control and never one supplied by a stranger. Duel advertises instant payouts but notes that some withdrawals go to manual review; Bitz states processing in up to 10 minutes. Everything that happens after the operator sends the transaction depends on the network and your wallet.
Tip. Treat the first withdrawal to a new address as a test. A small transfer proves that the address, network and memo (if any) are correct before you move a larger balance.
Stablecoins in more detail
USDT and USDC are tokens designed to hold a value close to one US dollar. Many players choose them to avoid the price swings of BTC or ETH during a session. There are trade-offs worth knowing.
Why people choose stablecoins
- Balances are easier to think about in dollar terms.
- Less exposure to sudden price moves while funds sit at a casino.
- Widely supported by exchanges and wallets.
What to watch
- Issuers can freeze or restrict tokens in some circumstances.
- A stablecoin can lose its peg during market stress.
- The same token exists on several networks, so mistakes are easier.
The practical rule is simple: always confirm both the token and the network on the casino side and on your wallet side before sending.
Bitcoin on-chain or Lightning: which to pick?
| Question | On-chain BTC | Lightning |
|---|---|---|
| Available at Duel? | Yes | Not listed |
| Available at Bitz? | Yes | Yes |
| Typical use | Any amount, widely supported | Small and frequent payments |
| Wallet requirement | Any Bitcoin wallet | A Lightning-capable wallet |
| Main limitation | Fees and speed follow network load | Routing and liquidity limits |
Scenarios: if you... then...
If you are new to crypto
Start with one coin and one network you can explain to a friend. A stablecoin on a network your wallet clearly supports is often the least confusing path.
If you already hold Bitcoin
Use BTC on-chain, or Lightning at Bitz for smaller amounts, and keep in mind that its dollar value can change while you play.
If you fund from an exchange
Check the exchange's withdrawal rules, supported networks and any holds, and do a small test first.
If you want the lowest hassle
Choose the same coin and network for deposit and withdrawal so you never have to convert in the middle.
Wallet safety basics
- Keep your seed phrase offline. Never type it into a website or share it with anyone, including support staff.
- Prefer self-custody for larger balances. Funds left on a casino or exchange are the company's responsibility, not yours alone.
- Turn on two-factor authentication for every account you use.
- Watch for fake sites and wallet-drainer links. Type the address yourself or use a bookmark.
- Treat volatility as real. A balance in BTC or ETH can rise or fall in value in dollar terms.
For a deeper look at the licence, KYC and red flags, read our crypto casino safety guide.
Hot wallets, cold wallets and exchanges
| Type | Who holds the keys | Good for | Risk |
|---|---|---|---|
| Mobile or desktop wallet | You | Everyday deposits and withdrawals | Device theft or malware |
| Hardware wallet | You | Larger balances held long term | Lost backup of the recovery phrase |
| Exchange account | The exchange | Buying and converting | Platform failure, holds, account freezes |
| Casino balance | The operator | Active play only | Operator and licence risk |
A sensible habit is to keep only what you intend to play with at the casino and to withdraw the rest to a wallet you control.
Common mistakes and how to avoid them
- Wrong network. Always match the casino's network selection with your wallet.
- Missing memo or tag. Some chains require one; check the cashier.
- Sending from an exchange that does not allow it. Some platforms restrict withdrawals to certain addresses or require whitelisting.
- Typing addresses by hand. Copy and paste, then verify the beginning and end.
- Clipboard malware. Some malicious software swaps copied addresses. Check the pasted address against the original.
- Sending too little. Casinos can set minimum deposits; an amount below the minimum may not be credited.
- Ignoring bonus terms. A deposit that triggers a bonus may also trigger wagering conditions.
- Not planning for volatility. If you hold BTC or ETH, your balance in dollars can change before you finish playing.
Troubleshooting a payment
| Problem | Check first | Next step |
|---|---|---|
| Deposit not credited | Transaction ID on a block explorer; confirmations | Wait for the required confirmations, then contact support with the ID |
| Sent on the wrong network | Whether the casino supports that network for the address | Contact the operator and your wallet provider; recovery is not guaranteed |
| Below minimum deposit | The cashier's stated minimum | Ask support what can be done |
| Withdrawal pending | KYC requests, bonus status, manual review | See our withdrawal speed guide |
| Lightning invoice expired | Time since the invoice was created | Create a new invoice and do not reuse the old one |
Checklist before every transfer
- Is the coin the one you meant to send?
- Does the network in your wallet match the network chosen in the cashier?
- Does the pasted address match the one shown, at the start and at the end?
- Is a memo or tag required, and is it entered exactly?
- Is the amount above the stated minimum and within what you planned to spend?
- Have you read the terms of any bonus the deposit might trigger?
- Do you know where you would look if something goes wrong? Keep the transaction ID and the support contact handy.
Running through these seven points takes less than a minute and prevents the large majority of avoidable losses described above. It is a habit worth building before the amounts grow, and it applies equally to deposits, withdrawals and transfers between your own wallets.
Glossary
- Block explorer: a public site for checking the status of any transaction.
- Confirmation: a block that includes your transaction has been added to the chain.
- Custodial wallet: a wallet where a company holds the keys for you.
- Gas / network fee: the cost of processing a transaction on a chain.
- Memo / tag: an extra identifier required by some chains.
- Peg: the target value a stablecoin tries to maintain.
- Self-custody: holding your own keys.
- Whitelist: a list of approved withdrawal addresses on an exchange.
Responsible use of crypto payments
Crypto can make deposits feel frictionless, which is exactly why limits matter. Decide your budget before you open the cashier, deposit only that amount and do not top up in the heat of a losing streak. Duel's deposit-limit tools could not be confirmed from public information, so set your own cap outside the casino, for example by funding only a fixed amount from your wallet each month. Our responsible gambling page covers limits, warning signs and self-exclusion, and free support is available from Gambling Therapy.
Gambling with crypto is still gambling. Set limits before you deposit; our limits and warning-signs guide explains how.
Local notes
Legal status and practical conditions vary by country. If you live in one of the countries we cover, see the pages for Canada, Finland or Norway for local context, and always check the operator's restricted-countries list. More answers are collected in the FAQ, and the home page explains how we compare operators.