In 2025, crypto casinos have moved well beyond the Bitcoin-using niche crowd. They’re now a popular choice for those gambling at traditional casino sites as well. Wondering why? The single most important reason is speed!
Crypto transactions are usually processed in minutes, not days, unlike Fiat money at traditional platforms. There’s also the added privacy. You don’t have to share as much personal or banking information, which makes the whole experience feel more secure.
And since crypto casinos don’t rely on banks, there’s no risk of having payments blocked or accounts flagged just for playing online. It’s simply more convenient.
We’ve rounded up the 7 best Bitcoin casinos this year, namely, Ignition, Jackbit, BitStarz, mBit, Wild Casino, Super Slots, and BetUS, so you know exactly where to start your crypto gambling journey.
7 Best Crypto Casinos Of 2025
- Ignition: Overall Best Crypto Casino With A Poker Room
- Jackbit: Impressive Game Library From Top Game Providers
- BitStarz: Offers Unique Bonuses & Promotions
- mBit: Quick Crypto Withdrawals
- Wild Casino: Offers Both Crypto & Traditional Payment Options
- Super Slots: Best For High RTP Slots
- BetUS: Known For Its Sportsbook Collection
Key Takeaways Before Playing at BTC Casinos
Before jumping into crypto gambling, it’s a good idea to understand how Bitcoin and crypto casinos work, what makes them different, and what to watch out for. While these sites offer speed and flexibility, there are also a few key things every player should keep in mind to play safely and confidently.
Here are some important takeaways:
- Crypto transactions are mostly irreversible: Once you send Bitcoin or any other cryptocurrency, you can’t reverse the payment. Always double-check the crypto casino’s wallet address and make sure the site is legit before transferring funds.
- Payout speeds are usually faster: One of the biggest perks of crypto casinos is how quickly you can withdraw your winnings. Most platforms process crypto payouts in minutes to a few hours, compared to the days it can take with traditional banking.
- You may not need to share personal info: Many Bitcoin casinos allow you to sign up and play with just an email and a wallet address. This gives players more privacy, but it also means you need to choose trustworthy sites, since you’re skipping the usual identity verification steps.
- Volatility can affect your balance: The value of cryptocurrencies like Bitcoin can change quickly. If the market drops after you deposit, your playing balance could be worth less in real-world money, even if the number of coins stays the same.
- Bonuses often have stricter terms: Crypto welcome bonuses can be generous, but always read the terms and conditions. Wagering requirements and game restrictions can vary a lot from one site to another.
- Look for provably fair games: Many crypto casinos offer “provably fair” systems, letting you verify game outcomes. It’s an added layer of transparency that shows the results aren’t rigged.
Detailed Reviews of These Top Bitcoin Casinos
Now that you know what to look for and what to avoid, it’s time to take a closer look at the best Bitcoin casinos in 2025 listed above. Each of these platforms offers a unique mix of games, security, and features to suit different types of players. Here’s a detailed review of the top picks to help you decide which one fits your style.
#1. Ignition: Overall Best Crypto Casino With A Poker Room
Ignition Casino has established itself as a strong presence in the online gambling space, particularly among U.S. players and crypto users seeking a reliable platform. Launched in 2016 and licensed in Curacao, it offers a mix of casino games, live dealers, and a dedicated poker section, which is not often found in many crypto casinos.
The site runs smoothly across various devices, and players can deposit using both traditional methods and cryptocurrencies, including Bitcoin, Ethereum, and Litecoin.
One of Ignition’s key strengths is its poker room, which stands out in a market where poker options are becoming rare. It features daily tournaments, anonymous tables, and sit-and-go options with varying buy-ins.
For those more interested in casino play, Ignition offers a diverse selection of slots, blackjack, roulette, video poker, and live dealer games, sourced primarily from providers such as RealTime Gaming, Rival Gaming, and Visionary iGaming. It’s not the flashiest platform in terms of design, but it’s stable, functional, and easy to navigate.
Crypto players benefit the most here, especially in terms of bonuses and payout speed. Bitcoin and Litecoin deposits are processed quickly, and withdrawals typically land within 24 hours or less.
There’s also less friction when playing with crypto. No lengthy verification, no declined payments, and fewer delays overall. The loyalty rewards system adds another reason to stick around this Bitcoin casino site, letting users earn redeemable points as they play.
Bonus & Promotions
- Crypto Welcome Bonus: Welcome bonus is a 300% match up to $3,000 for crypto users, split between poker and casino
- Non-Crypto Welcome Bonus: 200% match up to $2,000 welcome bonus for players using credit/debit cards
- Weekly Reload: 100% crypto reload bonus up to $100 available weekly
- Loyalty Rewards: Ignition Rewards loyalty program with tiered perks and redeemable Miles for regular Bitcoin casino players
- Referral Bonus: Refer-a-friend bonus up to $125, with a $25 crypto boost if they deposit using Bitcoin
Pros
- Full-featured poker room with strong daily tournament lineup
- Bigger bonuses and faster withdrawals for crypto players
- Simple registration with minimal KYC for crypto use
- Clean, mobile-friendly interface with steady performance
- Loyalty program offers ongoing value and cashback-like rewards
Cons
- Wagering requirements on bonuses can be difficult to meet
- Customer service response times are inconsistent
#2. Jackbit: Impressive Game Library From Top Game Providers
Jackbit Casino has quickly gained attention since its launch in 2022 as a top choice for crypto players looking for a smooth, secure gambling experience. Licensed in Curacao, the platform offers an impressive library of over 6,000 games from more than 90 software providers, including industry favorites like NetEnt, Pragmatic Play, and Evolution Gaming.
This variety covers everything from slots and table games to live dealer options, making sure there’s something for every type of player.
What really sets Jackbit apart is its focus on privacy and accessibility. It operates with a no-KYC policy, meaning players don’t have to go through lengthy identity verification to start playing. This makes it easier and faster to deposit and withdraw cryptocurrency.
The casino supports a wide range of over 16 cryptocurrencies, including Bitcoin, Ethereum, and stablecoins such as USDT, providing players with numerous options for transactions. Additionally, Jackbit is VPN-friendly, allowing players from regions where online gambling is restricted to access the platform without issues.
The site is designed with user experience in mind, featuring a clean, modern, and easy-to-navigate interface that is compatible with both desktop and mobile devices. Jackbit also emphasizes fast payouts, a key advantage of crypto casinos, which often process withdrawals within minutes.
Overall, it’s a solid choice if you want a secure, privacy-focused crypto casino with tons of game options.
Bonus & Promotions
Jackbit offers several promotions tailored to both Bitcoin casino and sports betting players:
- Casino Welcome Bonus: New users get 100 free spins on select slots without any wagering requirements, which means you can keep what you win right away.
- Sports Welcome Bonus: Sports fans enjoy a 100% risk-free bet up to $100, a great way to try betting without risking your own money.
- Rakeback VIP Club: Regular players earn up to 30% instant rakeback on all their bets, rewarding consistent play.
- Weekly Sports Tournament: Players can compete in tournaments for a chance to win part of a $20,000 prize pool, adding extra excitement to sports betting.
Pros:
- Huge game selection from top providers ensures variety and quality.
- Supports 16+ cryptocurrencies for flexible deposits and withdrawals.
- No KYC verification speeds up account creation and withdrawals while enhancing privacy.
- VPN-friendly access opens doors for players in restricted regions.
- Fast withdrawal times make it easy to cash out winnings quickly.
Cons:
- Limited customer support options
- Withdrawal limits apply to some methods
#3. BitStarz: Offers Unique Bonuses & Promotions
BitStarz has been a fixture in the crypto casino world since 2014, earning a strong reputation among players who value fast withdrawals, a huge game variety, and regular promotions. It operates under a Curacao license and supports both fiat and crypto payments, although most players prefer using digital coins for the faster transaction times.
As of 2025, the platform features over 5,000 games from top-tier providers like Evolution Gaming, Pragmatic Play, BGaming, and Nolimit City. BitStarz offers plenty to keep things interesting, whether you’re into classic slots, live dealer blackjack, or high-volatility crash games.
One of the standout features of BitStarz is its speed, especially when it comes to withdrawals. Bitcoin and other crypto payouts are often processed within minutes, making it one of the fastest casinos for cashing out wins.
The site interface is user-friendly, works well across devices, and loads quickly even on mobile. Players also get access to 24/7 live chat support, and the platform has a reputation for being transparent about bonus terms, game fairness (with RNG certifications), and security.
All data is protected by SSL encryption, and the Bitcoin casino doesn’t require invasive KYC checks unless you’re withdrawing large amounts. BitStarz also focuses on giving players real value through weekly promotions, cashback offers, and a multi-level VIP system that rewards consistent play.
Their “win big or get rewarded anyway” approach (with cashback on losses) makes it more appealing for casual players, too. It’s not without a few downsides, but overall, BitStarz remains one of the most reliable and feature-rich Bitcoin casinos in 2025.
Bonus & Promotions
- Welcome Package: Up to $500 or 5 BTC + 180 Free Spins across your first four deposits:
- 1st Deposit: 100% match up to $100 or 1 BTC + 180 Free Spins (20 instantly, 160 over 8 days; $20 minimum deposit required)
- 2nd Deposit: 50% match up to $100 or 1 BTC
- 3rd Deposit: 50% match up to $200 or 2 BTC
- 4th Deposit: 100% match up to $100 or 1 BTC
- Bonus Mania: Deposit a minimum of $50 to spin the Bonus Mania wheel and win guaranteed prizes. Higher deposits mean higher spin value and better win chances.
- 50% Monday Reload Bonus: Get a 50% bonus up to $300 every Monday (wagering requirement x40, max bet per game round $5).
- Wednesday Free Spins: Deposit on Wednesday, get spins on Thursday:
- $36 = 20 spins
- $101 = 80 spins
- $190 = 200 spins
- Tournaments:
- Slot Wars: Weekly slot tournament with a €5,000 + 5,000 Free Spins prize pool
- Table Wars: Weekly table games tournament with a €10,000 cash prize pool
- Originals Tournament: Telegram-exclusive weekly event with a $5,000 prize pool
- Jackpotz Mania & Piggyz Mania: Ongoing progressive jackpot events and instant win features tied to specific in-game actions
Pros
- Extremely fast payout speeds. Crypto withdrawals often take just minutes
- Huge game library (well over 5,000 titles) across slots, tables, and live games
- Flexible payment options, including multiple cryptos and fiat
- Generous welcome bonuses and weekly promos
- Simple, smooth interface and helpful 24/7 support
Cons
- Some reports of winnings being held after verification, especially with large cashouts
- No dedicated mobile app; mobile web version works but lacks app-level polish
#4. mBit: Quick Crypto Withdrawals
mBit Casino has been a mainstay in the crypto gambling space since 2014. Licensed in Curaçao, it’s built a strong reputation for its crypto-first approach, fast payouts, and huge variety of games.
The platform hosts more than 7,500 titles across slots, table games, live dealer options, and video poker. The game providers range from well-known names like BGaming and Betsoft to smaller studios that focus on provably fair mechanics.
It’s especially popular among players who want to play anonymously with crypto, without going through lengthy verification steps. The interface is smooth and user-friendly. While there’s no dedicated mobile app, the site is fully optimized for smartphones and tablets, and everything from browsing to gameplay works well on smaller screens.
Bitcoin casino players also have access to 24/7 live chat support, although email responses can take longer. One standout feature is the ability to view Return to Player (RTP) rates directly on many games, which is something you won’t find at a lot of other crypto casinos.
mBit supports 10+ cryptocurrencies, including Bitcoin, Ethereum, Dogecoin, Litecoin, XRP, and stablecoins like USDT. Payouts are one of its strongest points. Crypto withdrawals are typically processed in under 10 minutes, making it a top pick for players who don’t want to wait around.
With a mix of regular promos, a generous VIP program, and a clean interface, mBit is a solid all-around choice for Bitcoin casino players in 2025.
Bonus & Promotions
- Crypto Welcome Package (up to 4 BTC + 325 Free Spins) across your first 3 deposits:
- 1st deposit: 100% match up to 1 BTC + 100 free spins
- 2nd deposit: 100% match up to 1.5 BTC + 100 free spins
- 3rd deposit: 125% match up to 1.5 BTC + 125 free spins
Minimum deposit is 30 USDT (or crypto equivalent); spins are awarded on featured slots.
- Refer-a-Friend Bonus: Get 200 free spins and a 30% bonus for both you and your friend.
- Stellar Club Loyalty Program: Daily cashback, weekly reloads, level-up bonuses, and more.
- Telegram Bonus: Join their channel for 25 free spins.
Pros
- Large game selection with over 7,500 titles
- Fast crypto payouts, often under 10 minutes
- Transparent RTP info on many games
- Supports 10+ popular cryptocurrencies
- Active VIP program with cashback and bonus perks
Cons
- Wagering requirements on bonuses can be steep
- Email support is slower compared to live chat
#5. Wild Casino: Offers Both Crypto & Traditional Payment Options
Wild Casino has steadily grown into a favorite spot for online gamblers who want a broad selection of games combined with the flexibility of both cryptocurrency and traditional payment methods.
Since launching in 2017 under the BetOnline Group and operating with a Panama license, it has especially gained traction among U.S. and Latin American players. The site keeps things simple and approachable, making it easy to jump right into the action, whether you’re a seasoned player or new to online casinos.
One of Wild Casino’s standout features is its extensive library of over 700 games. This includes a variety of slots, classic table games like blackjack and roulette, video poker, and a solid live dealer section powered by Fresh Deck Studios.
The live casino allows players to interact with real dealers and other players, providing an engaging and authentic experience without leaving home. The site is also fully optimized for mobile use, no app download required, so you can enjoy your favorite games on smartphones and tablets with ease.
A key appeal of Wild Casino is its crypto friendliness. It accepts popular cryptocurrencies like Bitcoin, Ethereum, and Litecoin, allowing for fast deposits and withdrawals with minimal hassle.
This means you won’t have to wait days for your winnings, nor deal with the usual banking fees that come with gambling transactions. Security is taken seriously, with SSL encryption protecting player data and transactions.
Plus, the Bitcoin casino emphasizes responsible gambling with tools and support to help players keep control of their activity.
Overall, Wild Casino offers a good balance of fun, convenience, and safety. Its broad game variety, solid bonuses, and crypto support make it an attractive option for both casual players and high rollers looking for reliable, fast, and secure online gambling in 2025.
Bonus & Promotions
- Welcome Bonus: 250 free spins plus automatic enrollment in the VIP programme for new Bitcoin casino players.
- Daily Cash Race: $15,000 cash prizes every 24 hours for the top 250 racers. Cash tournaments worth $25,000 are available all week.
- Table Game Tuesdays: Bet a minimum of $1,000 across any of our table games, including Live Casino, every Tuesday between 12:00 am and 11:59 pm ET and receive a $25 cash prize the next day.
- Super Sunday Raffle: Bet a minimum of $100 every Sunday (between 12:00 am and 11:59 pm ET) in any of our available games. Each $100 bet amount gives you one entry into the draw. There are 100 total prizes up for grabs each week!
- Wild Diamond Jackpot: While playing VIG Blackjack at Wild Casino, you can opt into the $1 Wild Diamond 7’s side bet for a shot at bonus payouts. Hit three Diamond 7s for the jackpot, three red 7s for $1,000, or any three 7s for a $100 prize.
Pros
- Over 700 games covering slots, tables, video poker, and live dealers
- Large bonuses for both fiat and crypto players
- Supports multiple cryptocurrencies with fast payout times
- Mobile-friendly site with no app download needed
- Strong focus on security and responsible gambling
Cons
- Bonus wagering requirements are on the higher side
- Access is limited in some countries due to licensing restrictions
#6. Super Slots: Best For High RTP Slots
Super Slots is a vibrant, crypto-friendly Bitcoin casino that focuses heavily on fast gameplay, frequent promotions, and secure crypto transactions. Operated by the same group behind Wild Casino and BetOnline, it’s licensed in Panama and has carved out a solid place in the U.S. online gambling market.
While the overall design is straightforward and a little old-school, the platform runs smoothly on both desktop and mobile browsers. There’s no dedicated app, but most features work well on smaller screens without any hiccups.
Game variety is solid, with hundreds of slots, table games, and live dealer options from providers like Betsoft, Nucleus Gaming, Concept Gaming, and Visionary iGaming. You’ll find familiar titles alongside more niche games, with blackjack, roulette, video poker, and high-RTP slots well represented.
The live dealer tables are well-designed and include standard and high-limit options. Players who prefer crypto will appreciate that Super Slots supports Bitcoin, Ethereum, Litecoin, and several other coins, allowing for quick deposits and withdrawals with fewer banking delays.
The biggest attraction at Super Slots is its constant lineup of promotions and contests. There’s something happening almost every day: cash races, leaderboards, free spin events, and no-wager free rolls keep the site feeling dynamic.
New players get started with a generous free spins offer, and regulars can stack up cashback, bonus credits, and leaderboard wins simply by staying active. It’s the kind of Bitcoin casino that rewards consistent play, especially for those who enjoy slots and blackjack.
Bonus & Promotions
- Welcome Bonus: New Bitcoin casino users receive 300 free spins across selected slot games once they make qualifying deposits.
- Daily Cash Race: Compete for your share of $15,000 in daily cash. No opt-in needed. Just play, climb the leaderboard, and if you’re in the top 250, the winnings are paid out automatically.
- Free Roll Tournaments: Join unlimited tournaments under the “Free Rolls” tab and play for real cash prizes with no wagering requirements.
- Slots Smash to Cash: Wager $3,000 on slots from Monday to Thursday and earn a guaranteed $50 cash bonus on Friday.
- Weekly Leaderboard: Compete on selected slot games for your share of a $2,000 prize pool, with $250 awarded to 1st place.
- Midweek Spins: Spend $1,500 on slots every Wednesday and get 100 free spins the next day to keep your streak going.
- Wild Diamond Jackpot: While playing VIG Blackjack, opt into a $1 side bet for a shot at:
- 3 Diamond 7s → Progressive Jackpot
- 3 Red 7s → $1,000
- Any 3 7s → $100
Pros
- Loads of daily and weekly promotions
- 300 free spins welcome offer
- Accepts multiple cryptocurrencies
- Live dealer games and weekly tournaments
- Free roll events with zero rollover
Cons
- No standalone mobile app
- Some promos require high wagering to qualify
#7. BetUS: Known For Its Sportsbook Collection
BetUS is one of the most recognizable names among the top bitcoin casinos in 2025, with roots going back to 1994. While it’s best known for its sportsbook, the platform has built out a full casino offering that’s worth a closer look, especially if you’re into crypto gambling.
It’s licensed in Curaçao and primarily targets U.S. players, which means the interface, support, and promotions are all tailored for that audience. BetUS also supports both fiat and cryptocurrency, giving users flexibility in how they play and pay.
In terms of games, BetUS offers a modest but solid collection. You’ll find a mix of online slots, table games, video poker, and a handful of live dealer options. The site is easy to navigate and works well across all devices.
While the game variety isn’t as deep as on crypto-only sites, it still covers the basics and runs smoothly with no annoying lag or clutter. For players who like to bet on both sports and casino games, BetUS offers an all-in-one solution that keeps everything under one login and wallet.
Where BetUS really shines is its bonus selection, especially for crypto users. The welcome offers are generous and often bigger than what you’ll see at more game-focused casinos. And with options to combine sportsbook and casino bonuses, it gives users more flexibility depending on how they play.
Bonus & Promotions
- Crypto Casino Bonus: New Bitcoin casino players can claim a 250% bonus up to $5,000 on their first deposit using code CAS250. There’s a 40x rollover on eligible slots, and the max cashout is capped at $10,000. Minimum deposit: $100.
- Traditional Casino Bonus: Deposit with fiat and use code CAS200 for a 200% match bonus up to $5,000, with a 30x rollover and a $5,000 cashout limit. Minimum deposit: $50.
- Crypto Sports + Casino Bonus: Use code JOIN200 to get a 150% sports bonus (up to $1,500) and a 50% casino bonus (up to $1,250) on your first crypto deposit. Minimum deposit: $100.
- Non-Crypto Combo Bonus: With code JOIN125, you get a 125% bonus up to $2,000 on your first three deposits. This includes a 100% sports bonus and a 25% casino bonus. Rollover requirements: 14x for sports, 30x for casino.
- Referral Program: Refer a friend and earn up to 300% in bonus money (up to $6,000) across their first three deposits. Bonuses are split between the casino and the sportsbook. Max bonus may vary based on your account activity.
Pros
- Long-standing, trusted brand with sportsbook and casino in one
- Multiple large bonus options for both crypto and fiat players
- User-friendly interface with a clean layout on all devices
- Fast crypto deposits and withdrawals
- Generous referral rewards
Cons
- Higher wagering on some bonuses
- Smaller game library compared to crypto-first casinos
How to Choose the Best Crypto Casino?
When choosing the right Bitcoin and crypto casino, don’t just stick to analyzing flashy designs or big bonuses. Find a platform that’s safe, fair, and easy to use. Here are a few things that you can look for.
Start by checking the Bitcoin casino’s reputation. Look for player reviews, licensing information, and the site’s longevity. A well-established casino with a strong track record is usually a safer bet. Next, check which cryptocurrencies they accept. While most support Bitcoin, the best sites also let you use Ethereum, Litecoin, USDT, and more.
Security should always be a top priority. Ensure the Bitcoin casino site utilizes SSL encryption and provides two-factor authentication. It’s also a good sign if they’re transparent about how they handle funds and withdrawals.
Game variety matters too. A reputable crypto casino should offer a well-rounded selection of slots, table games, live dealer options, and sports betting. And don’t forget to read the bonus terms. Some sites offer great promos but hide strict wagering rules on their policy pages.
Finally, test the customer support. A responsive, helpful team can make all the difference if something goes wrong.
Common Mistakes to Avoid When Playing at Bitcoin Casinos
Getting started with Bitcoin casinos can be exciting, especially with faster payouts and fewer restrictions. But it’s also easy to overlook a few important details, especially if you’re new to crypto gambling. Knowing what to avoid can help you protect your funds and have a smoother experience overall.
Here are some common mistakes to watch out for while playing at a Bitcoin casino:
Not researching the casino first
One of the biggest mistakes players make is signing up without checking the Bitcoin casino’s background. Just because a site looks professional doesn’t mean it’s trustworthy. Always check if the platform is licensed, read player reviews, and look for red flags like delayed payouts or poor customer service. If a Bitcoin casino has little to no online presence or sketchy terms, it’s best to stay away.
Ignoring wallet security
Using a secure crypto wallet is essential. Avoid keeping large amounts of crypto on exchange wallets or inside the Bitcoin casino itself. Use a reputable wallet, enable two-factor authentication, and keep your private keys safe. If your wallet gets compromised, you could lose your entire bankroll, and there’s no way to recover it.
Sending crypto to the wrong address
Crypto transactions are permanent. If you send your Bitcoin to the wrong wallet address, even by a single character, it’s gone for good. Always copy and paste addresses carefully on the Bitcoin casino platform and double-check them before confirming any transfer. Taking a few extra seconds can save you a lot of regret.
Overlooking bonus terms and conditions
Bonuses at most Bitcoin casinos might look generous, but many come with strings attached. High wagering requirements, restricted games, and short time limits can make it hard to actually benefit from them. Before claiming any offer, read the terms carefully so you know exactly what you’re getting into.
Betting more than you can afford to lose
Crypto’s price can be unpredictable, and gambling always involves risk. It’s easy to get caught up in the moment, especially when winnings come fast at a Bitcin casino. Set clear limits for yourself, and don’t chase losses. Remember that what feels like a small bet in BTC might still be a significant amount in fiat currency.
Skipping customer support checks
If something goes wrong, you’ll want quick help. Some crypto casinos offer limited or slow customer service. Before depositing, test their live chat or email support to see how responsive they are. Good support can make a huge difference when you need answers fast.
Final Verdict: Best Bitcoin Casinos for 2025
The top Bitcoin casinos of 2025 offer fast withdrawals, robust security, and enticing promotions alongside a user-friendly experience. Jackbit and Ignition excel in terms of game variety and smooth interfaces.
mBit and Super Slots offer strong loyalty perks and crypto bonuses. For players who enjoy sports betting alongside casino games, BetUS and Wild Casino provide a balanced mix.
Each Bitcoin casino site brings something different to the table, so your ideal choice depends on what you value most, whether it’s payouts, promotions, or game selection. Regardless of your style, one of these platforms is likely to meet your needs.
Crypto Casino: FAQs
What is the best Bitcoin casino?
The best Bitcoin casino depends on your preferences. Ignition, for instance, has been highly rated for its fast payouts, diverse game selection, and robust crypto support, and has been a top choice of users in 2025.
Are Bitcoin casinos legal in the US?
Legality varies by state. Some states allow online gambling with crypto, while others restrict it. Always check local laws before signing up or depositing funds at a Bitcoin casino.
Can I play anonymously at Bitcoin casinos?
Many crypto casinos let you play with minimal personal info, especially when using Bitcoin. Some still require email verification, but full identity checks are often not needed.
