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21bit Casino logo
21bit Casinologo

21bit Casino Review

  • 4.8/5
  • 4.9/5
  • 4.8/5
  • 4.8/5
  • 4.7/5
  • 4.8/5

21bit Casino Overview

If you're looking for an online casino with a crypto payment options, 21bit Casino is a good choice for you. Established in 2020, this casino is licensed by the government of Curacao and offers slots, table games, live casinos, and more.

Risk Warning: dAppGambl does not constitute any investment or trading advice. Please carefully understand and evaluate the risks yourself before participating in any dApp

Accepted Cryptocurrencies

Bitcoin logo
bch logo
ethereum logo
litecoin logo
xrp logo
ada logo
bnb logo
tether logo
tron logo

Available Games

Provably Fair Games
Live Casino
Table Games
Sic Bo


Curaçao (CGCB)


  • VIP program
  • Accept crypto
  • Lots of payment options
  • Lots of bonuses


  • Games restricted in certain countries

What is 21bit Casino?

21Bit Casino is an online gambling platform that combines the thrill of casino gaming with the innovative world of cryptocurrency. As the name suggests, it operates on the premise of the 21st century’s most exciting digital currency, Bitcoin, and other cryptocurrencies.

What's Hot?

  • Supports crypto and local currencies
  • Generous bonuses
  • Safe and secure

Bonus Program

Welcome Bonus Up to 550% Bonus and 250 FS
Wagering Requirements 45x
Other Bonus offers/promotions Cyber Bonanza, Freespins, Weekend reload
VIP Program Yes


  • Cash Drop
  • Welcome bonus
  • Cashback bonus
  • Free spins bonus


  • High wagering requirement

21bit Casino Bonus Codes

Weekend Reload 40% up to 0.005 BTC WEEKEND
Top Slots Super Offer 40 Free Spins TOP40
Top Slots Super Offer 100 Free Spins TOP100

Welcome Bonus

You’ll be impressed with the five deposit bonus offers created for players, giving you a chance to receive up to 550% and 250 free spins on your deposits. These 5 deposit bonuses are:

1st Deposit Bonus: 100% bonus of up to 0.006 BTC + 50 free spins

2nd Deposit Bonus:  75% bonus up to 0.006 BTC + 50 free spins

3rd Deposit Bonus: 100% bonus up to 0.006 BTC + 50 free spins

4th Deposit Bonus: 125% up to 0.006 BTC + 50 free spins

5th Deposit Bonus: 150% up to 0.006 BTC + 50 free spins

Once you’ve reached your deposit bonus entitlements, you’ll be eligible for daily cashback, which is a 10% rebate on the money you’ve played.

Highroller Welcome Bonus

If you need to add more money to your bankroll this is a great way.  All together you can get 5 Highroller bonuses, and they are:

1st Deposit Bonus: 75% bonus of up to 0.03 BTC + 50 free spins

2nd Deposit Bonus:  100% bonus up to 0.03 BTC + 50 free spins

3rd Deposit Bonus: 125% bonus up to 0.03 BTC + 50 free spins

4th Deposit Bonus: 125% up to 0.006 BTC + 50 free spins

5th Deposit Bonus: 150% up to 0.006 BTC + 50 free spins

Weekend Reload

This bonus gives you 40% up to 0.005 BTC but make sure you use bonus code: WEEKEND

Daily Surprise Spins

Make at least 1 deposit during the day, and you will receive no deposit Daily Surprise Spins on your account page the next day.

Top Slots Super Offer

Deposit at least 0.001 BTC and get 40 Free Spins, use bonus code: TOP40
Deposit at least 0.002 BTC and get 100 Free Spins, use bonus code: TOP100

Spin The Wheel

The Crypto Spin Wheel is available once per day and the bonuses are claimable only with Crypto deposits, when you deposit 20 USDT or more.


You can participate in a variety of tournaments, including slots, blackjack, and roulette tournaments, with generous prize pools and fierce competition. It’s a perfect opportunity to test your luck and see if you can walk away with a big win.

VIP Program

As a player, you can embark on a journey by joining the loyalty program. By playing games, you can earn points, with the more money you wager resulting in more points earned and faster progression up the investor ladder.

As you advance, you can climb up to a maximum of eight tiers, each offering special rewards and prizes such as free spins, cash bonuses, daily cashback, and the chance to exchange your loyalty points for cash!

For every $20 you wager, you get 1 loyalty point. Remember, as a player, you’re automatically enrolled in the loyalty program, so make sure you check it out when you sign up.

  • Level 1 – new investor – 2 rewards in a total of up to 10 free spins
  • Level 2 – shareholder – 10 rewards in a total of up to 84 free spins
  • Level 3 – day trader – 10 rewards in a total of up to 135 free spins
  • Level 4 – crypto shark – 20 rewards in a total of up to 400 free spins
  • Level 5 – executive club – 13 rewards in a total of up to 325 free spins
  • Level 6 – crypto millionaire – 17 rewards in a total of up to 680 free spins
  • Level 7 – bit billionaire – 15 rewards in a total of up to 1125 free spins
  • Level 8 – wolf of 21 bit –  10 rewards in a total of up to 1000 free spins

21bit Payment Options

Available Cryptocurrencies Bitcoin, Dogecoin, Ripple, Tron, Bitcoin Cash, Litecoin, Tether, Cardano, Binance
Available Fiat Currencies Euro
Withdrawal Time Instant
Fees No fees


  • Accept crypto
  • No extra fee for transaction
  • Quick transactions


  • Fiat currency not supported

You have the flexibility to deposit as little as 0.1 value in cryptocurrencies.


Being a cryptocurrency casino, it uses blockchain technology to ensure that all transactions are secure, safe, and reliable.

You can easily withdraw your winnings with no fees attached. Plus, the best part about using a cryptocurrency casino is the instant withdrawals.

Game Selection

Amount of Games 5000+
Available Games Provably Fair Games, Live Casino, Table Games, Slots, Blackjack, Roulette, Baccarat, Plinko, Dice, Mines, Hilo, Sic Bo, Keno
Game Providers Betsoft, Blueprint Gaming, Evolution Gaming, Onlyplay, NetEnt


  • Live dealer games
  • Slot games
  • Table games
  • Provably fair games


  • No sportsbook

You’ll find an extensive collection of over 3,000 games, with the newest titles from all of the top-notch software providers.

In addition to slots, 21bit offers a range of popular casino games, including Roulette, Blackjack, Poker, Caribbean Stud, and many others.

Provably Fair Games

21 Bit has lots of provably fair games, which players can play anytime. This is included in the crash games category.  The casino uses advanced cryptographic technology to ensure that all of its games are fair and unbiased. This means that players can be confident that the outcome of each game is determined by a random number generator and that the casino has no control over the results.

Live Casino

Live Casino offers a vast array of live dealer games from the top game providers. You can access these games by selecting the “Live Casino” category.

Security & License

License Curaçao (CGCB)
Established 2022
Safety proof Curacao licence
Safety features SSL Protection


  • Authenticator App
  • Email Verification
  • 2-factor Authentication


  • Limited commitment to responsible gambling

The casino operates under a license from Curacao, which ensures that it adheres to strict regulations and guidelines to protect players. The website is secured by SSL encryption to protect the privacy of the data.

Customer Support

Support Email, Live chat
Languages Norwegian, English, Japanese, Spanish, German, Portuguese, Finnish


  • 24/7 customer support
  • Live chat support
  • Email support
  • Community social channels


  • No phone support

To obtain assistance, you can select from 3 different options:

  1. Email support: [email protected],
  2. Live chat
  3. FAQ page
  4. Discord & Telegram

User Experience

The user experience is generally positive. The website is designed to be user-friendly, with a sleek and modern interface. The games are easy to navigate, and there are plenty of options to choose from, including pokies, table games, live dealer games, and more.

Players can easily access the games by clicking on the various categories listed on the left-hand side of the screen, and there is a search function that allows you to quickly find your favorite games.

Mobile App

21 mobile app is available to download for mobile devices so you can play your favourite games on the go.

How does 21bit Compare to Other Crypto Casinos?

18+ only. Gambling can be addictive, please play responsibly.
21bit Casino
21bit Casino Review Visit Casino
Up to 550% Bonus and 250 FS
  • Crypto Casino
  • Cashback
  • Live Casino
Min Deposit:
Max Withdrawal:
Curaçao (CGCB)
7bit Casino
7Bit Casino Review Visit Casino
4,000+ casino games, plenty of cryptocurrency choices, and top-quality promotions
100% Bonus up to $300 or 1.5 BTC + 100 Free Spins
  • Hybrid casino
  • Suitable for mobile
  • Many promo campaigns
Min Deposit:
Max Withdrawal:
Curaçao (CGCB)
Punt Casino
Punt Casino Review Visit Casino
150% Bonus + 15 Free Spins
  • VIP Club
  • Crypto Casino
  • Provably Fair Games
Min Deposit:
Max Withdrawal:
Curaçao (CGCB)

7 Bit Casino

7Bit Casino is an online casino that launched not too long ago and features a space-based aesthetic. They offer live dealers, blackjack, roulette, and slot machines. It is a crypto-only casino; therefore, it only accepts deposits in cryptocurrency.

Punt Casino

Punt Casino is known for being a cryptocurrency-friendly online gambling platform that offers its users a seamless and secure experience while playing their favorite casino games. The operator has made a name for itself in the market of cryptocurrency gaming by providing a diverse range of games to choose from, ensuring that there is something for everyone. Only accepts cryptocurrency payments.

What Makes 21bit Better Than Other Casinos?

A huge welcome bonus alongside with Highroller welcome bonus is what sets 21bit ahead over other crypto casinos.

Over the Years?

The Casino was founded in 2022 by Dama N.V. with the vision of becoming the best crypto casino in the space. So far they have released many interesting features and bonuses that helped gain attraction from players. They are constantly improving and releasing which indicates that the team behind the casino is very active and the future is looking bright.

Review Summary

Bonuses 4.9/5 Great welcome bonus deserves a great rating
Games 4.8/5 Many game providers and many games to choose
Payment Options 4.8/5 Only thing missing are fiat payment options
Security & License 4.8/5 All security measures are in place
Customer Support 4.7/5 Many customer support to choose from
Overall 4.8/5 Overall score is almost perfect

Final Verdict

Considering everything we mentioned in this review, 21bit is a very reputable crypto casino. With many available cryptocurrencies for accepting deposits and withdrawals, fast support, and a secure site, there is a bright future ahead.


Can I play at 21bit?

Yes, you can play if online gambling is legal in your jurisdiction and you meet the minimum age requirement for gambling. However, please note that some countries may have restrictions on online gambling, and it is your responsibility to comply with the laws and regulations of your country. It is always a good idea to check your local laws and regulations before playing at an online casino.

Does 21bit accept cryptocurrency?

Yes, they accept several cryptocurrencies, including Bitcoin, Bitcoin Cash, Ethereum, Litecoin, and Dogecoin, for both deposits and withdrawals.

Is it safe to play at 21bit?

Yes, it is safe to play. The casino employs the latest SSL encryption technology to protect its players’ information and transactions. It is licensed by the government of Curacao, which ensures that it operates in compliance with the highest industry standards.

Other Casinos

18+ only. Gambling can be addictive, please play responsibly.
Tobi Opeyemi Amure
Tobi Opeyemi Amure - Casino Review Expert
46 Articles

Tobi has worked in the iGaming industry for about three years now. He has developed his own unique, inspiring approach to writing Casino Reviews. Tobi has extensive experience in providing digital marketing strategies – through consulting, managing, and executing these strategies with a wide and truly international range of clients, ranging from casinos to bitcoin exchange companies.

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Reviewed and Fact Checked by Eugene Abungana , Investment Analyst, Financial Analyst, and Institutional Trader