Crypto wallets: who holds the key, and which chain runs between casino and exchange

The short chain and the long one

There are two routes between the cashier and the exchange. On the short route the coin goes from the exchange to the casino and back to the exchange; all three stops are custodial. On the long route your own wallet comes in twice: the exchange, your own wallet, the casino, your own wallet and the exchange again.

The short chain pays fewer network fees and asks for fewer steps. On the long chain every extra stop means another network fee; four sends are made there and back. In return you put a stop whose key stays with you between the two institutions, and you decide which institution the coin goes to and when.

Which suits you better depends on the amounts you play with. Because the network fee is set by how busy the network is rather than by the size of the send, every extra step weighs more in proportion on small amounts. On large amounts the share taken by the fee shrinks and the value of holding the key yourself grows.

Which network is used changes the cost as much as the length of the chain. The same amount of USDT can travel on one network for a low fee and, at a busy moment, come markedly more expensive on another. Anyone choosing the long chain should make sure the same network can be used on all four sends; if one of the stops in between does not support that network, the chain breaks there.

The wallet supporting the network, and the fee coin

To hold a coin, the wallet has to support that coin's chain. The USDT example makes it plain: TRC20 USDT needs a wallet with a TRON address, ERC20 USDT one with an Ethereum address. The same application can show both networks, but the addresses are different and must not be confused.

The fee, too, is paid in the chain's own coin. To send an ERC20 token the wallet must hold a small amount of ETH, and on the TRC20 side some TRX. A wallet holding only USDT may be unable to send at all for want of a fee coin; anyone about to take USDT out of a cashier should have that small amount ready in advance. The difference in fees between the networks is set out in the comparison of networks and fees.

A signed message: the moment the key stands in for a document

Rocketpot cl. 11.8 puts a third option alongside a copy of an identity document and a passport among the verification methods it accepts: signing a message from the wallet address an early deposit was sent from. The clause was read on 2 September 2026.

The method works like this: the wallet software has a section along the lines of “sign message”. You paste in the text the operator gives you, the wallet signs that text with the private key and produces a signature string. Anyone can compare that signature with the address and confirm the text came from the owner of that address; the key itself never leaves the wallet.

On deposits made from an exchange account this route is usually closed, because the coin is sent from the exchange's shared addresses and the keys to those addresses are with the exchange. Take the text to be signed only from the operator's own cashier screen or from support correspondence; there are also fake pages that dress a transaction approval up as a message signature. The other verification routes and the deadlines for sending documents are gathered on the document clauses page.

Sending in your own name: the wallet clauses in the terms

Some operators write which wallet the money may come from and which wallet it goes back to, and those clauses bear directly on the choice of wallet. What follows is from texts read on 2 September 2026:

• Rocketpot: cl. 10.8 and 10.9 do not accept a deposit from a wallet belonging to a third party; cl. 11.1 limits a withdrawal to the coin deposited and to the wallet the deposit came from.
• Wolfbet: cl. 14 §1 refuses third-party deposits.
• Metaspins: cl. 11.3 requires the same crypto asset and cl. 12.2 the same method.
• Rainbet and Bitsler: Rainbet cl. 8.4 and Bitsler cl. 8.14 require payment to be made to the method used for the deposit.

The practical upshot is clear: keep the wallet you used for the deposit until it is time to withdraw. Setting up a temporary address and then deleting it can close the way back for the money at a cashier like Rocketpot. How these clauses work together with the withdrawal ceilings can be seen in the steps on the withdrawal page.

A casino balance is a custodial account too, and the login layer counts as its only lock. Wolfbet cl. 15 §1 requires email verification to have been completed and two-step verification to be enabled before a withdrawal. At cashiers that do not require the same precaution, switching two-step verification on yourself still makes life harder for anyone trying to take over the account.

The seed phrase: with you alone, on paper alone

All the power of your own wallet sits in the seed phrase, which is why the rules are short and strict:

• Do not type the seed phrase into any website, form or chat window.
• Do not take a screenshot of it, and do not save it in cloud notes or in email.
• Write it on paper or on a metal plate and keep it in two secure places, apart from each other.
• If you use a hardware wallet, keep the PIN separate from the seed phrase.
• If your wallet lets you add a passphrase on top of the seed phrase and you use one, keep the passphrase somewhere separate as well.

No casino, exchange or support agent asks for your seed phrase. Every screen that asks, whatever it is called, is a screen trying to take the coin. Pages that ask for the words under the heading “synchronise your wallet” or “claim your reward” are the commonest forms of this trap.

Checking the address: copy, paste, compare

Because a crypto transfer cannot be undone, the address is the most delicate link in the chain. A few habits remove most of the risk.

• Check the characters. After pasting the address, compare the first and last five or six characters with the source; malware that rewrites the clipboard is caught exactly here.
• Check the format. BTC addresses mostly begin with bc1, 1 or 3, and TRON addresses with T. Ethereum addresses begin with 0x and the same format is used on the BEP20 network, so the format of an address does not identify the network on its own.
• An address book. Adding your own wallet to the saved-address list at the exchange reduces the need to paste by hand each time. The cashier's deposit address, though, should be taken again from the cashier screen on every deposit.
• A small first send. Send a small amount first to an address you are using for the first time. That amount has to be above the cashier's floor; at Rocketpot that floor is 0.001 BTC under cl. 10.2.

On chains that ask for a memo or a tag, the amount will not be credited to your account if the code is missing, even when the address is right. The detail of the fields on the cashier screen is on the page describing the deposit steps.

Four questions when choosing a crypto wallet

Four questions are usually enough to decide:

• Are you ready to keep the key yourself, or does the convenience of a password reset come first?
• Are the amounts you play with small? On small amounts every extra network fee weighs more in proportion.
• Do the operator's terms require a return to the same wallet?
• Do you want to keep open a key-based verification route such as a signed message?

The answers to those four usually produce a mixture: a software wallet for small day-to-day transactions, a hardware device for savings, an exchange account for the lira side. How a coin turns into lira at an exchange is in the guide to converting into lira, and short definitions of the terms are in the cashier glossary.

Frequently asked questions