Casinos That Accept Solana in the UK: What to Check

Updated October 2026
Licensed
gbAvailable in GB
Fast payouts
18+ Only

Great Britain’s gambling licence requirements do not establish whether an operator accepts Solana or other payment methods.

Solana coin on a casino table with chips, British gambling lounge backdrop.
Table of Contents
  1. What UK casino rules can—and can’t—tell you about Solana
  2. Our top casino picks for the UK
  3. If Solana isn’t available, what can you use instead?
  4. Paying by phone: the deposit steps and bonus catch
  5. Solana and online slots: what’s actually verified
  6. Real-money slot apps and the limits of the evidence
  7. Boku deposits aren’t Solana deposits—and they don’t pay out
  8. Bonuses: check the terms before you deposit
  9. Small deposits, phone balances and operator limits
  10. Looking for a Solana alternative? Start with the payment method
  11. Solana casinos and Gamstop: don’t assume they’re connected

What UK casino rules can—and can’t—tell you about Solana

If you are looking for a casino that takes Solana, separate two questions that are easy to muddle: whether a gambling operator is authorised to serve players in Great Britain, and which payment methods its cashier accepts. The first is a regulatory matter. The second is an operator’s payment choice. A licence does not, by itself, confirm that Solana is available.

For commercial gambling in Great Britain, the UK Gambling Commission is the regulator. It oversees remote gambling offered to people there, even when the operator’s equipment is based elsewhere. A casino cannot sidestep the rules by hosting its website or payment systems abroad. If it offers real-money gambling to customers in England, Scotland or Wales, it needs the relevant Commission licence.

There is a boundary worth keeping in mind: the Gambling Act 2005 applies in England, Wales and Scotland, but not Northern Ireland. So “UK casino rules” can sound more uniform than the underlying legal framework is. The Commission is the sole regulator for commercial gambling in Great Britain; its licensing role should not be confused with a guarantee about every service or payment method advertised to players across the whole UK.

The Commission grants operating licences to gambling businesses and personal licences to individuals performing relevant roles. For you, the practical check is the operator’s status: before depositing, look up its licence on the Commission’s public register and make sure the entry matches the casino you intend to use. A familiar brand name or a polished site is not a substitute for that check.

That licence matters because online gambling in the UK is legal only through licensed and regulated sites. A UK-facing casino with no UK Gambling Commission licence sits outside that regulatory system, even if it is easy to access from a British device. A foreign licence is not the same thing as permission to offer gambling to Great Britain consumers. The operator, not its server location, is what matters for the Commission’s remote-gambling rules.

Casinos That Accept Tether in the UK: What to Check

But licensing answers only the regulatory question. It does not certify a casino’s cashier, list its supported cryptocurrencies, or confirm that a Solana deposit will work. A casino may be properly licensed and still not accept Solana; conversely, a page claiming to take Solana is not evidence that its operator is licensed to serve you. Those checks need to be made separately.

That distinction is especially useful when a site presents itself as one of the best Solana casinos in the UK, or promises a Solana deposit alongside games and bonuses. Treat those as claims to verify, not as consequences of regulation. The Commission’s role is oversight of gambling activity and licensing; it does not endorse an individual payment option or certify a crypto promotion simply because the operator holds a licence.

I would check the public register first, then inspect the casino’s own cashier and terms for the payment method you plan to use. Make sure the licence belongs to the same business operating the site, rather than relying on a logo or a statement on a third-party page. The register tells you about regulatory status, not whether the cashier currently supports a particular coin. Those are different checks, and both matter.

The same goes for mobile or desktop access. A site loading on an Android phone does not show that it is authorised, and an app listing does not settle whether real-money gambling is being offered under the right licence. The relevant question is still who operates the gambling service and whether that business holds the required authorisation for Great Britain. Device compatibility is not a regulatory credential.

Nor does the word “licensed” mean that every detail of an offer has been approved as suitable for you. It tells you that the business is within the relevant licensing system. You still need to understand what the casino actually offers and how its terms work. Keep those ideas separate: regulation is a necessary part of checking a gambling site, while payment availability is a separate, changeable detail.

Do

Don’t

So, are Solana casinos still available to UK players? The licensing framework alone cannot settle that. It tells you what authorisation a remote operator needs to serve Great Britain, not which operators currently accept Solana. Check the licence and the payment information independently, and do not read one as proof of the other. A licence is a starting point, not a Solana label.

Our top casino picks for the UK

  1. SpinFormula
    Bonus: 550% Up To £15,000 + 550 FS · Payout speed: 1-3 business days
  2. WinBeast
    Bonus: €5000 + 500 FS + €650 Freebet · Payout speed: 1-3 business days
  3. Dieselwin
    Bonus: Welcome Pack 250% up to £4000 + 200 FS · Payout speed: 1-3 business days
  4. NightWin
    Bonus: £900 + 400 free spins · Payout speed: 1-3 business days
  5. Chanze
    Bonus: Slots Welcome Bonus #1 200% up to €500 · Payout speed: 1-3 business days
  6. Revery Play
    Bonus: 100% up to€1,000+ 100 FS · Payout speed: 1-3 business days
  7. Amunbet
    Bonus: Join now and get 450% up to 2,700 GBP + 450 FS · Payout speed: 1-3 business days
  8. SlotoSport
    Bonus: 500% up to £ 10 200+ 777 FS · Payout speed: 1-3 business days
  9. NightLuck
    Bonus: Welcome Pack + 805% Up To 6400€ + 280 FS · Payout speed: 1-3 business days
  10. Zombillion
    Bonus: Welcome Pack 250% up to £4000 + 200 FS · Payout speed: 1-3 business days

If Solana isn’t available, what can you use instead?

If you came looking for a UK casino where you can deposit Solana, I can’t point you to a confirmed option. A name appearing on a crypto-casino list is not enough: you need to know whether the casino actually accepts Solana from UK customers, and whether it operates under the UK rules that apply to them. Don’t treat a payment-method label as proof of either.

If your priority is paying from your phone rather than using a particular cryptocurrency, Pay by Phone may be an alternative. It is a different kind of payment: the charge goes through your mobile service, not a Solana wallet. And the UK options have been changing. A specialist review describes operators moving away from Boku since 2023, with some switching to Fonix or Siru Mobile and others dropping Pay by Phone altogether. That is a useful indication of the direction of travel, not a promise that a particular method will still be available when you open an account.

Casinos That Accept Klarna in the UK: What to Check

The same review identifies MrQ and Duelz with Fonix, and Mr Vegas and Videoslots with Siru Mobile. Treat those as leads to check, not a permanent directory. A casino can change its cashier, and the available methods may differ between customers. Check the payment options shown in your own account before you decide where to register. A logo or old review page can lag behind the cashier.

Boku, Fonix and Siru Mobile

Boku is still relevant, but it is no longer safe to assume it will be offered wherever Pay by Phone is available. Some operators have replaced it with another service; others have removed phone billing. So if you specifically need Boku, check for Boku by name rather than relying on a general “mobile payment” description.

Fonix and Siru Mobile are alternatives in the same broad Pay by Phone category, but they are separate services. Seeing one listed does not mean the casino also accepts Boku, or that it can take Solana. Keep the payment method and the casino’s gaming licence as separate checks. One tells you how you may be able to fund an account; the other concerns whether the operator is authorised to serve players in Great Britain.

This distinction matters if you have been comparing “Solana casinos” with mobile-payment casinos. They are not interchangeable labels. A phone-bill payment does not convert into cryptocurrency at the casino, and a Pay by Phone option is not evidence that a casino accepts Solana. If Solana itself is essential to you, don’t deposit through another route on the assumption that it will be credited as crypto.

Fonix

An alternative pay-by-phone service used by operators such as MrQ and Duelz.

Siru Mobile

A mobile payment option identified with operators like Mr Vegas and Videoslots.

Boku

A mobile billing service that is becoming less common as some operators remove it.

Using Boku through Neteller

There is also an indirect route described in a specialist payment review: use Boku to fund a Neteller account, then use Neteller at a casino that accepts it. That is not a Solana transaction, and it depends on both parts of the chain being available to you. You would need Boku to be offered for funding Neteller and the casino to accept Neteller deposits.

Think of it as two payment decisions, not one magic conversion. Boku is the route into the e-wallet; Neteller is the route from the wallet to the casino. The casino’s cashier may offer Neteller without accepting Boku directly, but that does not guarantee you can add money to Neteller by phone. Confirm the current funding choices with the payment service before relying on this arrangement.

This can be worth checking if you want to pay by phone but find few casinos taking Boku directly. It may widen the set of casinos whose cashier you can use, provided each step works for your account. It does not make Neteller a cryptocurrency wallet, nor does it give you a way to deposit Solana. If your aim is to spend SOL specifically, this is not a substitute for a confirmed Solana payment option.

For a practical comparison, start with what you actually need: phone billing, an e-wallet, or a Solana deposit. Then check that exact method in the casino cashier and confirm that it is available to you before signing up. I’d avoid choosing a casino first and hoping the payment method appears later. That is how a “close enough” alternative becomes a dead end.

POLi Casinos in the UK: Check Current Availability

Paying by phone: the deposit steps and bonus catch

A Pay by Phone deposit is made through the casino cashier, not by sending money from a wallet. With Boku, the process is straightforward: choose Boku as the payment option, enter the amount you want to deposit, then provide your mobile number. Boku sends a verification code by text; enter it to confirm the payment. The charge is then handled through your mobile account.

Before confirming, check that the number is correct and that you are using a payment method shown in the casino cashier. A payment option mentioned elsewhere may not be available on the account you are using. The cashier is the practical check: if Boku is not listed there, you cannot complete a Boku deposit at that casino through those steps.

The bonus part needs more care. Pay-by-phone deposits are commonly excluded from welcome offers, so do not assume that a deposit will qualify simply because the casino is advertising a bonus. Some operators allow this payment route to count, while others exclude it. The terms for the particular offer decide.

A specialist review reports that MrQ, Duelz, Mr Vegas and Videoslots accept pay-by-phone deposits for bonus eligibility. Treat that as a lead to check, not a standing promise: payment and promotion rules can change, and eligibility may differ between offers at the same casino. Read the terms attached to the offer you intend to claim, and look specifically for any wording about payment methods or qualifying deposits.

Boku Deposit Process

Select Payment

Choose Boku as the payment option in the casino cashier.

Enter Details

Input the deposit amount and your mobile phone number.

Verify Code

Enter the verification code sent to you via text message to confirm the payment.

If the terms are unclear, ask the operator before depositing. Keep the answer and the offer terms available until the deposit has been credited and the bonus decision is clear. It is easier to settle eligibility before you pay than to argue about it after the fact.

Also separate two things that are often bundled together in promotional language: the ability to deposit and the ability to claim an offer. Seeing Boku in the cashier only tells you that the casino is presenting it as a deposit option. It does not, by itself, confirm that the payment qualifies for a welcome bonus, free spins or another promotion. Likewise, a bonus page that describes an offer does not prove that every payment method is eligible.

Boku deposits do not generally come with a special bonus of their own. A specialist review found no Boku-specific deposit restrictions on the platforms it assessed, but that should not be read as a promise that every casino treats the method identically. The promotion’s terms and the cashier are the details to check for your account.

If you are depositing because a particular offer matters to you, make that the first check, not the last. Confirm the payment method is available, then confirm that the offer accepts it and that you meet its other conditions. If the casino’s wording says the offer is limited to selected payment methods, do not guess that Pay by Phone is included.

One short pause before tapping confirm can save a messy bonus dispute. Check the cashier, check the offer terms, and make the deposit only when both line up.

Casinos That Accept Visa in the UK: What to Check

Solana and online slots: what’s actually verified

“Solana slots” can mean two different things: online slot games built around or connected to Solana, or ordinary casino slots funded with Solana. Those are separate claims. A casino accepting a cryptocurrency would not, by itself, show that its games run on that network; a game’s name or artwork would not show that Solana can be used to pay for it.

That distinction matters when you see a site describing its slots as Solana-powered. Look for a specific explanation of what the connection is. Is Solana part of the game itself, or is the phrase being used to describe a payment option? If the page does not make that clear, treat the label as marketing rather than proof of how the game works.

The same goes for claims about real-money slots that accept Solana. A payment logo, a page mentioning cryptocurrency, or a general statement about digital currencies does not establish that Solana is available in the casino cashier. Nor does it confirm that a particular slot can be played for money at a UK-facing casino. You would need the operator’s own current information to support those separate points.

I’d also separate a free-play claim from a real-money one. A game that can be tried without a cash deposit is not evidence that Solana is accepted, and a Solana-themed game is not evidence of either payment support or real-money availability. Check what the site means by “free”, and whether it is describing a playable slot, a promotion, or just themed content. The wording can do a lot of work while telling you very little.

"Solana slots" can refer to games built on the Solana network, ordinary slots funded with Solana, or simply Solana-themed content. These are separate claims and should be verified independently.

For a UK player, keep the operator and the game in view. Real-money online gambling offered to people in Great Britain falls under UK Gambling Commission licensing requirements, while a game title alone says nothing about the operator’s status. Before depositing, check the casino’s licence on the Commission’s public register and confirm that the payment method appears in that casino’s own cashier. Those checks answer different questions; neither should be treated as a substitute for the other.

There is a practical limit to what a search for Solana slots can establish: a phrase may describe a game, a payment route, or simply a theme. Ask the site to be precise, then verify the relevant claim where it matters—game details with the operator, payment availability in the cashier, and the operator’s licence on the public register. If you cannot tell which claim is being made, do not assume all three are true.

Labels are not verification.

Real-money slot apps and the limits of the evidence

A slot app and a casino payment method are two separate things. An app may provide access to games, while deposits and withdrawals are handled through the operator’s cashier. Seeing Solana mentioned alongside a slot app does not, by itself, show that you can use SOL to fund real-money play.

I’d check the operator and the payment flow before treating an app as a way to play for money with Solana. Is it a real-money casino product, or a free-to-play game? Does the casino itself identify Solana as a deposit option? Can you see that option in the cashier for your account? Those distinctions matter more than a title or advert using the word “Solana”.

Casinos That Accept Monzo in the UK: Payment Options

What to check before downloading or depositing

For real-money gambling in Great Britain, the operator needs a current UK Gambling Commission operating licence. Check the operator on the Commission’s public register rather than relying on a logo or a claim on a download page. The name attached to an app may not be the name of the business taking your deposit, so make sure they match.

Then look at the casino’s own payment information. A cryptocurrency reference on a game page does not establish that the casino accepts that currency. Nor does an app’s availability establish that its cashier supports Solana for UK customers. If the cashier does not clearly offer it, don’t assume you can complete a deposit later.

Keep the withdrawal route in mind as well. A deposit method and a way to receive winnings are not automatically the same. Before putting money in, check the casino’s available withdrawal methods and any conditions attached to them.

A “no-deposit” label needs the same care. It may describe a promotional offer rather than a free route to cash play, and the offer’s terms determine what you can do with any resulting balance. Don’t take the label as proof that an app lets you play for real money without a deposit, or that Solana is involved.

App Deposit Check

I would not choose an app on the strength of a Solana-themed name, a game image or a loose promise of crypto play. Match the app to a licensed operator, confirm the payment method in the operator’s own cashier, and read the relevant terms before depositing. If any part of that chain is unclear, treat the Solana claim as unconfirmed.

Boku deposits aren’t Solana deposits—and they don’t pay out

Boku and Solana describe different parts of a payment. With Boku, a casino deposit is charged to your mobile phone bill; it is a Pay by Phone transaction, not a transfer of Solana cryptocurrency. So if a cashier offers Boku, that does not mean it accepts Solana. Nor does a card or instant-banking option become a Solana payment just because it appears beside one in the cashier.

The distinction matters when you are choosing how to fund an account. A phone-bill payment uses your mobile service to cover the deposit. A cryptocurrency payment would involve a crypto asset and a compatible payment route. Don’t assume one can stand in for the other, or that a casino’s mention of one tells you anything about the other. I’d treat each method as a separate option and rely on what the cashier actually offers for your account.

There is a second catch with Boku: it is for deposits only. If you win, you cannot send casino funds back to your phone bill through Boku. That rules it out as a direct withdrawal route, whatever the deposit screen may suggest. A fast withdrawal, whether by card, bank transfer or another listed method, depends on the casino’s available withdrawal options—not on Boku.

Before depositing with Boku, set up another withdrawal method that the casino accepts. Check that it is available in your account and that you can use it to receive funds. This is easy to overlook when the deposit itself takes only a few steps. The payment in is not the payment out.

Casinos that accept AstroPay in the UK: what to check

The same care applies if you are looking for a Solana deposit and withdrawal in one place. Don’t read a deposit logo as proof that the same route supports cashing out, and don’t infer that a phone-bill option is a crypto service. Check the cashier’s deposit and withdrawal menus separately, and make sure the method you intend to use is actually available to you.

In short, Boku can put a deposit on your mobile bill, but it cannot return winnings to that bill—and it is not Solana. Keep those payment paths separate before money goes in.

Bonuses: check the terms before you deposit

A Solana deposit and a welcome offer are separate questions. Even if a casino lets you deposit using a particular payment method, that does not automatically mean the transaction qualifies for its bonus. Read the offer’s payment rules before you deposit, especially if you are looking for a Solana casino welcome bonus or a bonus code.

As a rough illustration rather than a promise, one specialist casino review describes a welcome offer matching a deposit pound for pound, capped at £100, with wagering set at 35 times the bonus. Offers differ, and that kind of headline figure tells you little about the conditions attached. Check what counts towards wagering, which games qualify and whether a maximum cash-out applies. The terms are where the real offer lives.

Pay by Phone deposits deserve particular care. Their eligibility depends on the operator, and this payment route is commonly excluded from welcome offers. Don’t deposit first and assume the bonus will appear afterwards. Confirm that the exact payment method is eligible and that you have opted into the promotion if the casino requires it.

Timing matters too. A specialist review reports bonus funds expiring within 30 days and free spins within 72 hours. Treat those as terms to check on the offer you are considering, not deadlines that apply everywhere. Once a bonus is credited, note its expiry and any playthrough conditions before you start.

Casinos that accept USDC in the UK: what to check

The same caution applies to searches for Solana slots bonuses, no-deposit rewards and offers for real-money play. A promotion’s wording may refer to a qualifying deposit, a particular game or a specific payment route; the word “bonus” alone does not settle any of that. I’d check the offer page and the casino’s full terms, then make sure the payment method you plan to use is included. A headline is not the small print.

Small deposits, phone balances and operator limits

A small deposit does not tell you whether a casino accepts Solana. Pay by Phone is a separate payment route: with Boku, the charge goes through your mobile account, not a Solana wallet. If you are comparing minimum deposits, keep those methods distinct.

The figures reported for Boku limits do not line up neatly. One specialist review gives a standard UK limit of £30 per transaction, with some casinos or network operators permitting £40 or £50. Another account describes a £30 daily limit but specifies no per-transaction cap. Treat these as conflicting reports, not a promise that a particular amount will go through. The cashier and your network’s rules matter.

Giropay at UK Casinos: Availability and Alternatives

Daily limits are attributed to the mobile operator rather than the casino in specialist payment guidance. That means a casino may show Boku as available while your network still declines a transaction because you have reached its allowance. Check the amount shown in the cashier, and contact your mobile provider if the payment fails; repeating it will not change a network restriction.

PAYG users have another constraint: specialist reviews say a Boku deposit cannot exceed the credit remaining on the phone. A deposit can therefore be below the casino’s displayed maximum and still fail if your balance is too low. On a monthly phone plan, the charge is added to the bill instead, but the applicable network limit can still affect what you can spend.

I would not treat a low minimum or a “mobile payment” label as evidence of instant Solana deposits. It describes how a phone-bill payment works, not whether the casino accepts SOL. Check the cashier for the payment method you actually intend to use, then confirm its limits with the network before relying on it. Small amounts are still subject to the same checks.

Boku Withdrawals

Boku is for deposits only; you cannot send casino winnings back to your phone bill through this service.

Looking for a Solana alternative? Start with the payment method

If you want to replace Solana at a UK casino, begin with the cashier, not a list of games. A slot title and a deposit route answer different questions: finding a game does not tell you whether the casino will accept the payment method you want to use.

Pay by Phone may suit you if you want a charge handled through your mobile account. Fonix is another pay-by-mobile service to look for. Both Pay by Phone and Fonix are supported by EE, O2, Vodafone and Three, but that does not mean every casino offers either one. Check the cashier at the operator you are considering; the available options can differ from site to site.

Boku is another name you may encounter, although it is not a safe assumption that a casino still offers it. A small number of UKGC-licensed casinos continue to accept Boku deposits, but the group has been getting smaller since 2023. Operators have dropped it over compliance concerns. That was not the result of a UK Gambling Commission rule banning Boku by name.

So I would treat payment availability as a practical check, not a label attached to a casino. If you are considering Pay by Phone or Fonix, look for that exact option in the cashier. If you are considering Boku, confirm that it is still shown before planning around it. A casino’s general description may not settle the question; the payment menu is where you can see what it currently offers.

There is no useful shortcut from “Solana slots” to a particular deposit method. Decide what you need from the payment route first, then check which casino cashiers actually match. That keeps the choice tied to something you can verify, rather than to a game name or a broad claim about crypto support.

Casinos That Accept Bitcoin in the UK: What to Check

Solana casinos and Gamstop: don’t assume they’re connected

A casino’s payment options and its relationship with Gamstop are separate questions. A site might mention Solana, or describe itself as outside Gamstop, but neither claim tells you whether it accepts the other, or whether it is authorised to serve players in Great Britain. I wouldn’t treat the combination as established just because a page puts the terms together.

Gamstop is a self-exclusion scheme. UK-licensed casinos must provide self-exclusion tools, but that does not mean every casino accepting a particular cryptocurrency is connected to Gamstop. Nor does a site’s claim that it is “not on Gamstop” prove anything about its licence or payment methods. The label alone is not a safety check.

For players in Great Britain, remote operators offering gambling must hold the relevant UK Gambling Commission licence, wherever their equipment is based. Online gambling is legal here at licensed sites. Offshore casinos operate outside the UKGC system; their availability to visitors does not make them UK-licensed or regulated for British customers.

So, before depositing, check the operator’s licence number on the Commission’s public register. Don’t rely on a badge, a payment logo or wording about Gamstop in place of that check. A valid licence also does not confirm that Solana is available: payment methods can vary by operator and may change, so the cashier is where you would need to confirm what the site actually accepts.

If you use Gamstop to manage your gambling, looking for a casino described as outside it is not a workaround I’d recommend. A site that does not participate may not provide the same protection through that scheme. Take care not to confuse being able to access a website with having the safeguards that come with a UKGC-licensed operator.

In short, “Solana” and “not on Gamstop” are not proof of a shared, verified casino option. Check the licence first, and don’t deposit unless the operator and payment method are clear. Shortcuts can cost more than time.

Are Boku casinos still available in the UK in 2026?

Yes. A small number of UK casinos still accept Boku, but operators have been moving away from it since 2023.

How do you deposit with Boku at online casinos?

Choose Boku in the casino cashier, enter an eligible deposit amount and your phone number, then confirm using the SMS code. Deposits are charged to your phone bill or deducted from your PAYG credit.

Are Boku deposits eligible for casino bonuses?

It depends on the casino’s bonus terms. Bonus eligibility varies by operator, so check the terms before depositing; Boku deposits generally do not have specific bonuses.

What is the best alternative to Boku for casino deposits?

Pay by phone through Fonix or Siru Mobile is an alternative at casinos that support those services. Check the cashier in your account, as payment options can change.

Why are UK casinos dropping Boku?

Individual operators have dropped Boku because of compliance risk; the UK Gambling Commission did not introduce a specific ban on Boku.

Can you deposit by phone bill without Boku?

Yes. Some casinos offer pay-by-phone through Fonix or Siru Mobile instead; availability depends on the casino, so check its cashier.

Are there any Boku casinos left in the UK?

Yes. A small number remain, including Jackpot Mobile Casino and Peachy Games, but check the casino’s current cashier because payment options can change.

Responsible Gambling

Created by the "Casino not on Gamstop" editorial team.

iPad Casinos UK: How to Choose and Play
iPad Casinos UK: How to Choose and Play

Learn how to check an iPad casino site’s layout, compare payment and bonus terms, and…

Casinos That Accept Tether in the UK: What to Check
Casinos That Accept Tether in the UK: What to Check

Learn how to verify Tether in a casino cashier, check deposit and withdrawal availability, and…

Instant Bank Transfer Casinos UK: What to Check
Instant Bank Transfer Casinos UK: What to Check

Learn how to check whether bank transfer is available in a casino cashier and review…

Casinos that accept AstroPay in the UK: what to check
Casinos that accept AstroPay in the UK: what to check

The article cannot confirm a UK casino offering AstroPay and explains how to check the…

Casinos That Accept Maestro in the UK: What to Check
Casinos That Accept Maestro in the UK: What to Check

Learn how to verify Maestro in a casino cashier, why Visa or Mastercard logos are…