You should also verify the nature of any product or service including its legal status and relevant regulatory requirements and consult the relevant Regulators’ websites before making any decision. Depending on the exchange you use and the regulatory requirements it is subject to, you may be able to sign up simply by providing your email address or you may need to provide your full name, contact information and proof of ID before being allowed to trade. What determines the price of bitcoin? Please visit Wall of Coins for its exact pricing terms. The Telegraph. Exchanges happen almost instantly because Changelly never actually controls your tokens but just exchanges them.