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Casino Info USA Friendly License: Curacao Established: 2015 Languages: English Fiat Currencies: None


VIP Program Name Required Account Required Email Required Anonymous Account

Customer Support

Casino Info USA Friendly License: Curacao Established: 2015 Languages: English Fiat Currencies: None VIP Program Name Required Account Required Email Required Anonymous Account

Customer Support

Accepted Cryptocurrencies

4Grinz Review

A bitcoin only online casino, 4Grinz Casino has anonymous registration and accepts players from across the globe, including the USA. You can deposit bitcoin also through the Cubits platform.

The casino opened in 2015 with a full stock of games from major software providers. No licensing is indicated.

BTC / Crypto Deposits and Withdrawals

The registration, depositing and withdrawing process at 4Grinz Casino is standard and simple for bitcoin players.

Registration involves just providing your email address and creating a password, with the option of creating a nickname. You may receive a confirmation email.

When you are signed up, you can deposit at 4Grinz by clicking on Deposit and following the instructions. You will be given a bitcoin address to copy into your personal bitcoin wallet. When you fill in an amount and send, your 4Grinz Casino account should be loaded within seconds, and you will be able to play for real money.

The minimum deposit amount at 4Grinz is 1 mBTC, and no maximum limit is indicated.

Withdrawing money is also routine and fast. You go to your Account page, click on Cashout, enter an amount and your own bitcoin address. When you hit Request Cashout your money will be on its way.

You can take out as little as 1 mBTC, and as much as you want. However, if you take out 5 BTC or more, the casino may have to pull money from cold storage and pay it in installments. The support crew at 4Grinz should be able to help you with your specific situation and give you an idea of how long these larger withdrawals will take.

If you have agreed to a bonus deal, be sure to meet all of the bonus requirements before attempting to withdraw money.

4Grinz Casino Bonuses and Rewards

The 4Grinz bonuses come in many forms, most that require special codes that match each offer. You should be prompted for the codes when you deposit.

They start with a series of three bonuses for you initial deposits. The first deposit offers a 100% match for up to 200 mBTC. Your second deposit can be matched 50% for up to 200 mBTC, and the third deposit, 30% for the same amount. You must put in at least 3 mBTC to qualify.

Keep in mind that the bonuses come with a rollover requirement of 45 times the deposit plus the bonus. This means that if you deposit 50 mBTC, for example, the casino will match that, making your balance 100 mBTC (.01 BTC). You then must wager a total of 4,500 mBTC (45 x 100 = 4,500) or 4.5 bitcoin in order to be eligible to withdraw money. The most you can wager per play is 2 mBTC.

Also be aware that slots are the only games that count 100% toward meeting the rollover requirement. Others count 5% or less, and if you play roulette, baccarat, Pai gow, or blackjack, the bonus won’t apply at all.

At 4Grinz, be sure to look for daily specials for each day of the week. You might get a bonus for being a special member, using twitter, or making extra deposits.

But you should also read the bonus terms closely, because each bonus has its quirks.

The folks at 4Grinz offer a rewards system called Grinz Points in which you accrue status points and redeemable points. Naturally the redeemable points are the ones you shoot for, because they can be exchanged for bonuses, tournament entries, coupons, free spins, and more rewards.

You must be a 4Grinz Premium Member or higher to redeem Grinz Points, and to become a Premium Member, you will have to wager 2000 mBTC (0.200 BTC) in total bets. We poked around and did the math on this, discovering that .04 BTC or 400 mBTC in bets earns you 1 point.

Go to the Loyalty Rewards and Grinz Points sections to get details on this, because there are other restrictions you should know.

Game Selection and Software

There are more than 200 casino games at 4Grinz, provided by top software makers such as Betsoft, Endorphina, and Bgaming (formerly SoftSwiss). Most games can be played for free without registering. You should give your favorites a try, because we had trouble getting some games to fit our screen properly.

The games are arranged in both broad and more specific categories, and you can also search by provider and by title.

Most of the games are slots, and there are plenty of lively themes and a variety of reel and payline selections. Many players will be familiar with the titles they have, such as Aztec Magic, Cherry Fiesta, and Mongol Treasure.

The 4Grinz jackpot slots include At the Copa, The Glam Life, and Greedy Goblins, but we didn’t see any pot totals displayed.

They have no table games category, but they do have Roulette, Card Games and Poker Games sections. Under Card Games, you will find 10 versions of blackjack, including multi-hand, as well as baccarat, and Hi-Lo.

Under Poker Games are Oasis, Pai Gow and Red Dog as well as video poker. There are 13 video poker games, including all the favorites – Jacks or Better, Joker Poker and Deuces Wild.

The 4Grinz casual games include Minsweeper, scratch cards and Virtual Racebook.

We found nothing in their live games section, but the support people told us to look for those in the future.

You can go to and access site and play games on your iPhone, iPad, Android or other mobile software. But you should give it a try with your mobile device, if you like playing that way. Some connections and software may not be as handy.

Provably Fair Games

At 4Grinz, there is a small box at the bottom of the main page that says Provably Fair, but that’s it. There is no other indication of any verification for fairness. We do know that high profile makers such as Betsoft test their games for fairness and routinely publish the results. But with no licensing jurisdiction to require testing for fairness, we don’t guarantee anything.

Customer Support

The FAQ section at 4Grinz covers more than most casinos. And you can click on Support and get an email form.

They also have live chat box that comes up when you click on Live Support in the FAQ section. When we saw it, we grabbed them for a couple of questions and got quick, friendly responses.


This is a nice looking destination with a great selection of games and good support people.

Still, they could be better. Their bonus requirements are steep and a bit confusing, so the bonuses are hard to recommend, unless you are a high roller. Any straight up bitcoin casino should have at least some provably fair games, and we could find none.

We don’t suggest pouring a lot of bitcoin into this stop.

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