In some rare cases, online crypto casinos offer up to 5000% in bonuses. Usually most casinos offer up to 100% of additional bonus of what a player puts up initially. Welcome Bonuses : Almost every online casino will offer some form of welcome bonus and the most common one matches your first deposit. Different types of crypto casino bonus deals: However, one must stay cautious while signing up on these online crypto casinos and only sign up on reputable platforms. These bonuses can range from hundreds of dollars worth of crypto to one or two bitcoins in some rare cases. These bonuses can help you kick off your gambling career without having you to put on your own bankroll. There are plenty of online crypto casinos that offer a variety of deals and bonuses on signing up. However, gambling and online casinos have incorporated the technology to establish a new standard. Since the inception of cryptocurrencies, debate about their use cases has been inescapable.