Best Bitcoin Casinos in 2024

The landscape of online casinos is evolving rapidly, with Bitcoin casinos leading the charge in this transformation. In 2023, the integration of cryptocurrency in the gambling world has not only been a trend but a revolution. Let’s delve into the nuances of using Bitcoin for betting, providing you with the insights you need to navigate this exciting digital realm.
The best choice BET24BIT
100% Bonus + 25% Cashback

Top Bitcoin Casinos in Spain 2024

100% on EVERY DEPOSIT + 2000 Free Spins + 20% Cashback + x30 Fixed Bet
  • The best cryptocurrency casino
No deposit bonus: €20 for the online casino + €5 for sports betting
  • The best cryptocurrency casino
WELCOME PACKAGE 300% OF €2,500 + 250 FREE SPINS
  • Attractive bonuses and promotions
Welcome package 225% up to 5000usdt/eur
  • The best bonuses and a wide selection of crypto games
*First deposit match*: 150% up to €10,000
  • Best Cryptocurrency Casino for New Players
300% Welcome Bonus on First Deposit Up to $20,000.
  • Wide selection of cryptocurrencies
BONUS UP TO €200+20 FREE SPINS
  • The best bonuses and a wide selection of crypto games
Tournament Prizes and Jackpots of Over 500,000 EUR.
  • Stylish interface and design
200% Up to €10,000 + 50 Free Spins
  • Unique Dice Games
€3,000 WELCOME PACKAGE PLUS 100% BONUS AND 100 FREE SPINS
  • The best bonuses and a wide selection of crypto games
100% UP TO €1000
  • The best cryptocurrency casino
100% First Deposit Welcome Bonus Up To 1 BTC
  • Stylish interface and design
€2,500 WELCOME PACKAGE PLUS 150% BONUS AND 100 FREE SPINS
  • The best bonuses and a wide selection of crypto games
100% Welcome Bonus On First Deposit Up To A Maximum Of 5 BTC.
  • Attractive bonuses and promotions
200% Deposit Welcome Bonus Up To 10 ETH
  • Noted for its high betting limits
100% Bonus Up To 1 BTC
  • Convenience in mobile betting
Up to 1.5 BTC + 500 Free Spins
  • Wide variety of slot games
200% Bonus Up To $1,000 + 50% Rakeback
  • High stakes spins

Comparison of the TOP 5 Bitcoin Casinos in Spain 2024

BET24BIT

100%
TOTAL SCORE

BET24BIT Casino emerges as a prominent choice in the realm of cryptocurrency gambling, offering a paradise for gaming enthusiasts. With a variety of games ranging from classic slots, roulette, and poker to modern themed games, this casino caters to a wide range of tastes and preferences. Legally established and holding a solid license, it ensures a secure gaming environment, especially for players in Spain. Its impressive bonuses and promotions significantly enhance the gaming experience.

Advantages:

  • Diverse Bonus Offers: Provides a 25% cashback, a 100% betting bonus, and enticing free spins.
  • Partial Withdrawal Options: Allows players to withdraw 50% of their bonuses, striking a balance between incentives and wagering conditions.
  • Happy Hour Cashback: Offers a unique 50% cashback deal during special hours, heightening excitement and rewards.
  • Variety of Games: Extensive selection including both classic and modern games, suitable for all types of players.
  • Legality and Security: Fully authorized and regulated in Spain, ensuring a legal and protected gaming environment.
  • Focus on Cryptocurrencies: Particularly appealing to those who prefer cryptocurrency betting.Cons:
  • Overwhelming Game Abundance: For newcomers to cryptocurrency gambling, the extensive range of games could be overwhelming without proper guidance or categorization.

Disadvantages:

  • Overwhelming Game Abundance: For newcomers to cryptocurrency gambling, the extensive range of games could be overwhelming without proper guidance or categorization.

BC.Game

98%
TOTAL SCORE

BC.Game Casino offers a unique gaming experience with its remarkable design, exciting promotions, and the flexibility to deposit using 50 different cryptocurrencies. Players have the opportunity to win up to 1 Bitcoin and enjoy a VIP system that includes exotic holidays. With a focus on anonymity, users can easily create an account and deposit crypto, although KYC may be required for withdrawals.

Advantages:

  • Wide range of cryptocurrencies: Supports 50 cryptocurrencies, including an exchange to exchange altcoins for BTC, ETH or DOGE.
  • Transparent and fair: Open source code and games are likely to be fair, allowing players to verify the safety and fairness of the game.
  • VIP rewards and promotions: Attractive VIP leveling system that offers significant rewards, including free vacations and daily opportunities to earn 1 Bitcoin.

Disadvantages:

  • Game Type Restrictions: Live casino games cannot be played with freeplay or JB coins.
  • Inability to Purchase Cryptocurrencies On-Site: Players are unable to purchase cryptocurrencies directly on the site; they must deposit second-hand cryptocurrencies.
  • Lucky Spin Limitation: The ‘Lucky Spin’ feature is not demonstrably fair, although it offers a risk-free winning opportunity.
BC.Game bitcoin casino

Betpanda Casino

80%
TOTAL SCORE

Betpanda Casino stands out for its user-friendly interface and instant play features, enabling players to start gaming immediately without the need to download a client or an app. Registration is straightforward, only requiring an email address and password, ensuring users’ confidential information privacy. The platform is designed for easy navigation, with a clean interface, essential tabs for promotions and games, and an efficient search and filtering system. While the FAQ section is not extensive, their customer support makes up for it with friendly representatives available via email and live chat 24/7. The casino is also fully optimized for mobile use without a dedicated app, ensuring a seamless gaming experience across all devices.

Advantages:

  • Valid Gaming License: Operates with a Costa Rica gaming license, ensuring its legality and reliability.
  • Easy and Anonymous Registration: Simple account setup with minimal personal information required.
  • Wide Selection of Games: Offers over 4,000 high-quality games.
  • Attractive Bonuses: Includes a 100% welcome package up to 1 BTC and a rewarding VIP program.
  • Advanced Security Features: Utilizes SSL encryption, custom VPN software, and is ranked as one of the top anonymous cryptocurrency sites.
  • Convenient Transactions: Supports crypto in-app purchases and integrates Lightning Network for fast transactions.
  • No Deposit Limits: Allows players flexibility in managing their funds.
  • 24/7 Customer Support: Provides round-the-clock assistance to users.

Disadvantages:

  • No Sportsbook: Lacks sports betting options.
  • Limited Promotions: Few regular promotions outside of the VIP program.
  • Limited Help Resources: Absence of a comprehensive help center for player assistance.
Betpanda bitcoin casino

Metaspins Casino

90%
TOTAL SCORE

Metaspins Casino, regulated by the Curaçao Gaming Authority and operational since 2022, offers an immersive gaming experience with a collection of over 4,000 games from top-notch providers. It stands out for its mobile-friendly design and simple one-click registration process. The casino caters exclusively to cryptocurrency users, ensuring fast and efficient deposit and withdrawal processes. New users are welcomed with deposit bonuses in BTC, and the platform features a unique rewards program. Although it does not support fiat currencies and lacks a dedicated sports betting section, Metaspins makes up for it with 24/7 customer service and an impressive variety of games.

Advantages:

  • Mobile Compatibility: Easily accessible and optimized for mobile devices.
  • Unique Bonuses: Offers up to 60% Rakeback without bets and other unique rewards.
  • 24/7 Customer Support: Player assistance available 24 hours a day.
  • Impressive Rewards Program: Includes level-up bonuses with free spins, cash rewards, and a 60% Rakeback bonus.

Disadvantages:

  • Geographical Restrictions: Limited access in certain regions.
  • No Fiat Currency Support: Exclusively for cryptocurrency transactions, potentially limiting some players.
  • Lacks Sports Betting: Does not offer sports betting options, unlike some competitors.
Metaspins bitcoin casino

Mega Dice Casino

95%
TOTAL SCORE

Mega Dice Casino, a well-established online gaming platform, provides a wide selection of games and sports betting options, making it a preferred destination for gaming enthusiasts. The platform is renowned for its appealing user experience, diverse gaming options, and commitment to security. With its advanced data encryption technology, Mega Dice ensures user data privacy and security. Operating under a master gaming license from the eGaming authority of Curaçao, the site ensures legitimacy and regulatory compliance.

Advantages:

  • Wide variety of games: Provides a broad range of games, including slots, table games, live dealer options, and a full sportsbook.
  • Proven fair games: Ensures fair play with provably fair games.
  • Cryptocurrency-friendly: Accepts multiple cryptocurrencies, enabling quick and secure transactions.
  • Appealing bonuses: Offers a 200% matched deposit bonus up to 1 BTC and 50 free spins.
  • Innovative features: World’s first casino licensed for Telegram.
  • Excellent customer service: Known for responsive and helpful customer support.

Disadvantages:

  • Geographical restrictions: Access is limited in major countries like the U.S., although access is allowed through VPNs.
  • Limited promotions: Some players may find ongoing promotions to be less extensive compared to other competitors.
Mega Dice bitcoin casino
In Bitcoin casinos, you don’t just play with currency but also with a wide range of entertaining games. Here’s what you can expect:
All
selección de tragamonedas
The digital version of the classic slot machine, these games come in a wide variety of themes and formats. You can expect attractive graphics, immersive stories, and the opportunity to win big with progressive jackpots.
selección de ruleta
The spin of the digital roulette is as thrilling as that of real roulette. Whether you prefer American, European, or French roulette, there’s a version for you.
selección de juegos de blackjack
Blackjack is a game of strategy and luck. Bitcoin casinos offer several versions, from classic ones to more modern variants, each with its own twist.
selección de juegos de póquer
From Texas Hold’em to Omaha, poker enthusiasts will find a wide variety of games in Bitcoin casinos. You can participate in regular tournaments and compete against players from around the world.
selección de juegos en vivo
For a more immersive experience, live dealer games bring a real dealer straight to your screen, combining the convenience of online gaming with the atmosphere of a physical casino.

Slot Machines

selección de tragamonedas
The digital version of the classic slot machine, these games come in a wide variety of themes and formats. You can expect attractive graphics, immersive stories, and the opportunity to win big with progressive jackpots.

Roulette

selección de ruleta
The spin of the digital roulette is as thrilling as that of real roulette. Whether you prefer American, European, or French roulette, there’s a version for you.

Blackjack

selección de juegos de blackjack
Blackjack is a game of strategy and luck. Bitcoin casinos offer several versions, from classic ones to more modern variants, each with its own twist.

Poker

selección de juegos de póquer
From Texas Hold’em to Omaha, poker enthusiasts will find a wide variety of games in Bitcoin casinos. You can participate in regular tournaments and compete against players from around the world.

Live Dealer Games

selección de juegos en vivo
For a more immersive experience, live dealer games bring a real dealer straight to your screen, combining the convenience of online gaming with the atmosphere of a physical casino.

Step-by-Step Guide to Betting with Bitcoin

Now that you have your Bitcoin, how can you start betting? Follow these simple steps:
1
Choose a trusted Bitcoin casino
Not all casinos are the same. Look for those with a solid reputation, a wide range of games, and strong security measures. Check online reviews and community feedback before deciding.
2
Create an Account
Sign up for an account at your chosen Bitcoin casino. This process is usually quick and requires minimal personal information due to the nature of Bitcoin transactions.
3
Deposit Bitcoin
Navigate to the casino’s deposit section, select Bitcoin as your deposit method, and transfer your Bitcoin from your wallet to the casino’s wallet. The transaction is typically quick, thanks to the efficiency of blockchain technology.
4
Enjoy Betting
Once your deposit is confirmed, you are ready to play! Whether it’s slots, poker, or live dealer games, the choice is yours. Remember to gamble responsibly.

Security and Reliability of Binance Coin Casinos

When it comes to online gambling, security and reliability are non-negotiable. Binance Coin casinos are meeting this challenge by ensuring they operate within a framework of strict regulation and licensing. Here’s what you need to know:
All casinos on our list are licensed and regulated by recognized gaming authorities. This ensures that they adhere to strict standards of fairness, player protection and responsible gaming.
Regular audits by independent bodies confirm that the games are fair and operate correctly. This transparency builds trust and ensures a level playing field for all players.
Advanced security measures such as SSL encryption protect your personal and financial information. This protects your data from unauthorized access and ensures the integrity of your transactions.

Where to Purchase Bitcoin for Gaming

First things first: if you want to dive into the world of Bitcoin casinos, you need to acquire some Bitcoin. Where to start? Here’s the information you need:

Intercambios de criptodivisas

Cryptocurrency Exchanges

The most common way to buy Bitcoin is through cryptocurrency exchanges. Platforms like Coinbase, Binance, and Kraken are known for their user-friendly interfaces and robust security measures. They are perfect for both beginners and cryptocurrency enthusiasts.

Peer-to-Peer Platforms

For those who prefer a more direct approach, peer-to-peer (P2P) platforms can be a great option. Websites like LocalBitcoins allow you to buy Bitcoin directly from other users, often with a variety of payment methods including bank transfers, PayPal, and even cash.

Operaciones P2P
Cajeros automáticos Bitcoin

Bitcoin ATMs

Yes, they exist. Bitcoin ATMs are popping up in cities around the world. They are convenient for quickly purchasing Bitcoin with cash or card. However, keep in mind that transaction fees are higher than online exchanges.

Remember, when buying Bitcoin for gambling, always consider fees, transaction speed, and the reputation of the platform you are using. Safety comes first!

What Other Cryptocurrencies Can Be Used in Bitcoin Casinos?

tipos de bote

Puede que Bitcoin sea la estrella del mundo de las apuestas con criptomonedas, pero no es la única. MucWhile Bitcoin may be the star of the cryptocurrency gambling world, it is not the only option. Many Bitcoin casinos have expanded their banking options to include a variety of other popular cryptocurrencies. Let’s take a look:

  • Ethereum (ETH): Known for its smart contract functionality, Ethereum is a favorite for its faster transaction times compared to Bitcoin.
  • Litecoin (LTC): Often considered the silver to Bitcoin’s gold, Litecoin offers faster confirmation times and a growing community.
  • Ripple (XRP): Known for its efficiency and favored in conventional finance, Ripple is becoming increasingly popular in online casinos for its fast transaction speeds.
  • Bitcoin Cash (BCH): A Bitcoin derivative, Bitcoin Cash features a larger block size, allowing for more transactions and lower transaction fees.
  • Dogecoin (DOGE): What started as a joke has now found a place in the world of cryptocasinos, offering a fun and lighthearted approach to cryptocurrency gambling.

These cryptocurrencies offer various advantages, such as faster transaction speeds, lower fees, and increased privacy, making them attractive alternatives to traditional banking methods.

Advantages of Using a Bitcoin Casino

Why choose a Bitcoin casino over traditional online gambling sites? Here are some compelling reasons:

Enhanced Security
The decentralized nature of Bitcoin, coupled with advanced encryption in Bitcoin casinos, ensures increased security for your funds.
Faster Transactions
Say goodbye to lengthy processing times. Bitcoin transactions are swift, ensuring quick deposits and withdrawals.
Lower Fees
With no intermediaries involved, Bitcoin transactions typically incur lower fees compared to traditional banking methods.
Anonymity and Privacy
Bitcoin transactions do not require personal data, providing a level of anonymity that traditional casinos cannot match.
Global Access
Bitcoin is not bound by geographical borders, making it ideal for players in regions where online gambling is restricted.

Bonuses and VIP Programs

tipos de bonificación

One of the most appealing aspects of Bitcoin casinos is the array of bonuses and VIP programs they offer. This is something worth considering.

Remember to always read the terms and conditions of any bonus or VIP program to fully understand the requirements and advantages.

  1. Welcome Bonuses: These are typically the most generous bonuses granted to new players upon registering and making their first deposit.
  2. No Deposit Bonuses: Some casinos offer small bonuses just for creating an account, without the need for a deposit.
  3. Free Spins: A common bonus for slot enthusiasts, free spins can be granted as part of a welcome package or a standalone promotion.
  4. Reload Bonuses: Given on subsequent deposits after the initial one, encouraging players to keep coming back.
  5. VIP Programs: Tailored for high rollers and frequent players, VIP programs offer exclusive benefits such as larger bonuses, personal account managers, and invitations to special events.

Security and Reliability of Bitcoin Casinos

Los casinos Bitcoin aseguran el juego

When diving into the world of Bitcoin casinos, security and reliability are paramount. Let’s talk about what makes a Bitcoin casino reliable and why you can trust the ones we recommend.

  1. Licensing and Regulation of Crypto Gambling Games
    The cornerstone of a trusted Bitcoin casino is its license and regulatory compliance. Trusted Bitcoin casinos operate with licenses from recognized gaming authorities, such as the Malta Gaming Authority, the UK Gambling Commission, or Curacao eGaming. These regulatory bodies ensure that casinos adhere to strict standards of fair gaming, player protection, and responsible gaming practices.
  2. Ensuring a Secure Gaming Environment
    Top Bitcoin casinos utilize advanced encryption technology to safeguard your personal and financial information. They also employ Random Number Generator (RNG) systems to ensure fair and impartial gaming outcomes.
  3. Commitment to Responsible Gaming
    A hallmark of a trusted Bitcoin casino is its dedication to responsible gaming. This includes providing tools for self-exclusion, setting deposit limits, and offering resources for those who may need help with gambling addiction.

It is crucial to remember that all Bitcoin casinos on our list are licensed and regulated, ensuring a safe and fair gaming environment for their players.

Blacklisted Bitcoin Casinos

While there are many reputable Bitcoin casinos, it is essential to be aware of those that do not comply with regulations. Here is what you need to know about Bitcoin casinos included in the blacklist:

Risk of Unlicensed Casinos

Unlicensed Bitcoin casinos operate without regulatory supervision, putting your funds and personal information at risk. These casinos may also employ unfair practices that make it difficult for players to win or withdraw their winnings.

The Importance of Reputation

Always research the reputation of a Bitcoin casino before playing. Look for player reviews and complaints online. Casinos with a history of non-payment, fraudulent activities, or other unethical practices are often blacklisted by the gaming community.

Stay Informed

We do not include casinos on blacklists and advise you to steer clear of them. Remember, if an offer seems too good to be true, or if a casino lacks transparency about its licenses and security measures, it’s best to avoid it.

By choosing to play at a licensed and reputable Bitcoin casino, you ensure a safe and enjoyable gaming experience. Stay informed, play responsibly, and good luck!

How to Withdraw Money from Bitcoin Casinos?

Retiro de casinos Bitcoin

Cashing out your winnings from a Bitcoin casino is a straightforward process. Follow these steps:

  1. Verify your account: Ensure your account is verified to meet regulatory requirements. This process may involve submitting identification documents.
  2. Go to the funds withdrawal section: Navigate to the cashier or banking section of the casino and select ‘withdrawal.’
  3. Choose Bitcoin as your withdrawal method: Select Bitcoin (or another cryptocurrency if preferred) as the withdrawal method.
  4. Enter the amount you wish to withdraw: Specify the quantity of Bitcoin you want to withdraw. Ensure it complies with the casino’s minimum and maximum withdrawal limits.
  5. Enter your wallet address: Carefully input your Bitcoin wallet address. Double-check to avoid errors, as transactions cannot be reversed.
  6. Confirm and wait: Confirm the transaction. Withdrawal times vary, but Bitcoin transactions are typically fast.

Remember that each casino has its specific withdrawal processes and limits, so it’s important to familiarize yourself with them before getting started.

Testimonials

Carlos González

“As a regular at BET24BIT, I am always impressed with their fast transactions and top-notch security. Bitcoin transactions are smooth and I’ve never had any issues. Highly recommended for anyone looking for a reliable crypto gaming experience!”

Isabella Martínez

“BC.Game has been my go-to place to bet with Bitcoin. The variety of games is fantastic and their customer service is always fast and helpful. It’s a secure platform that I trust my transactions on.”

Miguel Álvarez

“Betpanda’s user interface is very easy to use and they offer a great selection of games. I’ve been playing here for months now and Bitcoin deposits and withdrawals are always efficient and secure.”

Sofia Romero

“Metaspins is fantastic for anyone who prefers to use cryptocurrencies. Their game selection is diverse, and I’ve always found their site to be safe and secure for Bitcoin transactions.”

Diego Torres

“Mega Dice offers an engaging gaming experience with fast Bitcoin transactions. I have always felt that my funds are safe here, and their customer support is top notch in case of any questions.”

Ana Ruiz

“I have had a great experience at BET24BIT. The site is easy to navigate, and they offer a wide range of games. Most importantly, their Bitcoin transactions are secure and fast.”

Javier Jiménez

“BC.Game is one of the best Bitcoin casinos I have ever played at. Their game library is impressive and the site’s security measures give me peace of mind every time I play.”

Lucia García

“I love playing at Betpanda! Their Bitcoin processing is fast and reliable, and their customer support team is always ready to help. It’s a safe and enjoyable platform to play online.”

Alejandro López

“Metaspins has been my favorite for betting with Bitcoin. The site’s security is top-notch, guaranteeing secure and private transactions. Plus, their game offerings keep me entertained for hours!”.

Elena Sánchez

“Mega Dice excels in Bitcoin casino gaming. Transactions are fast and secure, and they offer a great selection of games. It’s been a pleasant and hassle-free experience every time!”

FAQs

What is Bitcoin Casino?

In the ever-evolving world of online gambling, a Bitcoin casino shines brightly. But what exactly is it? In simple terms, a Bitcoin casino is an online casino that allows you to use Bitcoin, the pioneering digital currency, as a method for depositing and withdrawing funds. This integration of cryptocurrency into the gaming realm brings a new level of innovation, privacy, and convenience.

The Advantages of Cryptocurrencies

Bitcoin casinos leverage the unique characteristics of blockchain technology (decentralization, increased security, and anonymity) to provide a modern and reliable gaming experience. They offer a platform where traditional casino games can be enjoyed with the added benefits of cryptocurrencies.

Can You Bet with Bitcoin?

Absolutely. Betting with Bitcoin has become increasingly popular due to its convenience and anonymity. It works just like betting with any other currency, but with the added advantages of faster transactions, lower fees, and increased privacy. Whether you enjoy slots, poker, or sports betting, Bitcoin allows you to engage in these activities in a safer and more efficient manner.

How do Bitcoin Casinos Work?

Bitcoin casinos operate much like traditional online casinos, but with a key difference in the currency used. Here is a brief summary:

  • Transactions: Players deposit Bitcoin into their casino accounts instead of traditional fiat currencies. Profits are also withdrawn in Bitcoin.
  • Gameplay: You can play a wide range of casino games, just like in a regular online casino. The main difference is that bets are placed in Bitcoin.
  • Fairness and transparency: Many Bitcoin casinos use provably fair algorithms, allowing players to verify the fairness of the results of each game.

The fusion of online gambling with Bitcoin technology revolutionizes the accessibility and security of online gambling.

Are you looking for a trustworthy Bitcoin casino with a solid reputation?

Assessing the reputation and reliability of a Bitcoin casino is paramount. A reputable Bitcoin casino should possess:

  • Valid License: Ensure the casino is licensed by an accredited gaming authority.
  • Positive Reviews: Look for user feedback and reviews. A strong player reputation is a good reliability indicator.
  • Transparent Practices: Trusted casinos exhibit transparency in their gaming outcomes, utilizing proven fair algorithms.
  • Safe and Fair Games: A robust selection of secure, high-quality games from reputable developers is indicative of a reliable casino.

Which casino games are available?

Bitcoin casinos offer a wide array of games, ranging from timeless classics to innovative new titles. Expect to find:

  • Slot Games: A diverse range of themed slots with varying mechanics and jackpots.
  • Table Games: Classic options like blackjack, roulette, baccarat, and poker.
  • Live Dealer Games: Provides an immersive experience with live dealer broadcasts.
  • Specialty Games: Includes bingo, keno, and scratch cards.Each game provides a unique experience, tailored to different preferences and styles.

Are there any restrictions in your country?

When it comes to Bitcoin casinos in Spain, it is important to note that:

  • Regulation: The Spanish government regulates online gambling, and only operators with a license are legally authorized to offer gaming services.
  • Use of Bitcoin: While Bitcoin can be used in Spain, its use in online gambling may be subject to specific regulations imposed by Spanish gambling authorities.
    Always check the casino’s terms and conditions and consult local laws to ensure compliance with Spanish gambling regulations.

Can I play at Bitcoin casinos with my mobile?

Certainly. Most Bitcoin casinos are optimized for mobile use, allowing you to enjoy your favorite games on the go. Whether through a mobile app or a mobile-optimized website, these casinos provide a seamless experience, maintaining the quality and variety of games available in desktop versions. Just ensure you have a stable internet connection, and you’ll be ready to play anytime, anywhere.

About this page

Last Updated: September, 21 2024

What have we updated?

1. The bonuses section has been updated with the latest offers, including clearer details on wagering requirements.

2. A new pros and cons list for using Bitcoin in casinos, focusing on transaction times and volatility, has been added.

3. A section has been added explaining why Bitcoin continues to be the most popular cryptocurrency in online gambling.