The online casino gambling industry is split into two sides: Decentralized online casino sites such as Rollbit, Solcasino, and Retardio casino, and centralized online casinos led by Stake.com, BetDex, and more.

Thanks to its decentralized nature, lack of 3rd party middlemen, and the advantages that anonymous betting brings to individuals, the online casino industry is growing rapidly.

To help gamers make the right choice we’ve compiled a list of the top online crypto casinos and sports betting sites in 2025. The listed online casinos are compatible with Bitcoin, ETH and DeFi cryptocurrencies, offering the best casino bonuses and sign-up offers.

Best Online Crypto Casinos in 2025: Bonuses and Sign-Up Offers

Rollbit 

Rollbit is a leading web3 sportsbook and casino. The platform allows users to loan their own NFTs, trade cryptocurrencies with 1000x leverage, and play engaging in-house casino games.

The platform’s native $RLB token can be used to participate in the Rollbit lottery and receive discounts across Rollbit.

Aside from  Rollbit’s NFT betting, sportsbook, and casino games, the platform offers regular bonuses to active users including free side bets and rakebacks. Rollbit offers up to 70%+ on rewards every wager, instant rakeback and weekly, monthly bonuses.

Stake.com 

Stake is a leading online crypto casino and sportsbook that utilizes cryptocurrencies for payments, games, and rewards.

The platform is home to hundreds of games from leading developers in the gaming world such as Hacksaw Gaming, Pragmatic Play, and Stake Originals.

In addition to Stake’s casino, Stake.com features a comprehensive sportsbook where users can bet on a wide range of sporting events. Stake betting is known for offering generous crypto rakebacks and weekly bonuses including Stake vs Eddie, Raffles and Pragmatic Drops & Wins Slots. There are also prizes for regular Stake online casino users.

Stake is known for creating Kick.com, a rival streaming platform to Twitch. Kick began as a way for Stake to promote their platform to a wider audience. Kick streamers are known for promoting Stake on their livestreams where giveaways and Stake account gifts are sent to users.

Although the casino is based in Australia, Aussie’s are banned from using the site due to regional laws, so a VPN must be used if you’re visiting from an Australian IP address.

Solcasino Online Crypto Casino

One of the top crypto casinos on Solana is Solcasino, Solcasino is home to in-house casino games, live-dealers, and DeFi betting.

Holders of Solcasino NFTs gain access to Bet2Earn, USDC staking pools, VIP programs, and generous referral bonuses.

The platform’s native SCS token has gone through numerous changes and updates. Despite the token’s poor performance, the website offers streamlined betting on Solana. Users on the lookout for casino bonuses should purchase and stake Solcasino’s native SCS token for APY returns on their holdings.

BetDex Online Casino

Built on the Solana blockchain, BetDEX is a leading crypto casino and sportsbook. BetDEX is completely decentralized and non-custodial meaning each user is responsible for managing their own monetary holdings.

BetDEX boasts a large selection of sportsbook events including the NBA, NFL, UEFA, Tennis, and Esports games like League of Legends and Counter-Strike.

BetDEX is regulated by the Isle of Man Gambling Commission and its founders have held positions at businesses supported by Multicoin, Lightspeed, and Paradigm. BetDex has a welcome offer casino bonus and sign-up offer of $50. By registering on BetDex and making a $50+ bet, you may be eligible for a $50 bonus.

Retardio Online Crypto Casino

From the mysterious Retardio team, known for their Retardio Cousins NFT collection on the Solana blockchain and outlandish advertising, the Redtardio Casino is considered a strong community-driven DeFi casino.

Ignoring warnings from the UK’s FCA on risks associated with the Retardio token which has since had its Twitter account suspended, the Retardio casino allows users to take part in decentralized betting, casino games, and prediction markets.

Users are able to log in using their web3 wallets or social apps where they can take part in a wide array of games and decentralized sports markets.

The platform also contains VIP content, affiliate casino bonuses, and the ability to farm extra earnings by connecting Retardio NFTs.

In light of the bad press, the Redtardio casino may be worth a visit for those who want an underground, DeFi casino experience.

Wild.io Online Casino

Wild is a leading crypto casino and sportsbook home to various tournaments, live casino games, and challenges.

The casino hosts games from leading developers such as Push Gaming, Hacksaw Gaming, Pragmatic Play, and ENDORPHINA.

The casino offers a VIP club that comes with special membership attributes including generous welcome bonuses and full crypto support with instant withdrawals.

Wild.io is home to very generous welcome bonuses including a 350% welcome package and daily promotion bonuses worth free spins.

On Telegram, Wild.io is home to various Telegram-specific bonuses for users who interact with Wild’s TG community.