Email support works well for detailed questions or documentation, like verification requests. Response times are generally fast, and the support team is well-trained to handle everything from technical glitches to bonus inquiries. For crypto enthusiasts, 21bit accepts a wide range of currencies including Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Dogecoin (DOGE), and Tether (USDT). From the moment you land on the website, you are showered with a steady flow of casino bonuses and promotions. These include daily surprise spins each time you make a deposit, weekend reload bonuses, and more. All new players at 21bit Casino get to claim a 4-part welcome bonus package offering up to $2,400 + 140 free spins! Most offers require a deposit and may require a bonus code. If you’re ever unsure about a promo code, blackcoin.co a wagering requirement, or how to cash out, the team is there to guide you step by step. The live chat is perfect for immediate concerns, especially when you need answers while playing.