Are you a fan of online casinos and looking for the best Bitcoin casinos with a sign-up bonus? Look no further! In this article, we will explore some of the top Bitcoin casinos that offer exciting bonuses to new players. 1. Bitstarz Casino: Known for its extensive collection of games, Bitstarz Casino offers a 100% sign-up bonus up to 1 BTC, along with 180 free spins. This popular Bitcoin casino also rewards players with ongoing promotions and a loyalty program. 2. FortuneJack: If you're searching for a Bitcoin casino with a diverse range of gaming options, FortuneJack is worth checking out. They offer a generous sign-up bonus of 5 BTC spread across your first four deposits. Additionally, FortuneJack provides players with weekly promotions and cashback rewards. 3. mBit Casino: mBit Casino is known for its user-friendly interface and wide selection of games. New players can enjoy a generous 110% sign-up bonus up to 1 BTC, along with 250 free spins. With regular promotions and a VIP program, mBit Casino ensures that players are always rewarded for their loyalty. 4. 7Bit Casino: With its retro-themed interface, the 7Bit Casino offers a nostalgic gaming experience. They offer a welcome package of up to 5 BTC or 500 EUR, along with 100 free spins. 7Bit Casino also runs several regular promotions, including Monday reload bonuses and weekend cashbacks. 5. Bitcasino.io: As one of the first Bitcoin casinos, Bitcasino.io continues to be popular among players worldwide. Their sign-up bonus varies from time to time but is always highly competitive. With an extensive selection of games and regular promotions, Bitcasino.io provides an enjoyable gaming experience. When choosing a Bitcoin casino with a sign-up bonus, it's essential to consider factors such as game variety, security, and reputation. These five casinos offer an excellent starting point for Bitcoin enthusiasts looking to explore the world of online gambling. Remember to read the terms and conditions of the bonuses, including any wagering requirements, to ensure a smooth and enjoyable gaming experience. Good luck and have fun!