I saw that someone already asked 1xbit support about the name of the company and the exact address.
From what I can remember, the answer was that the cryptocurrency market is based on anonymity. They value users anonymity as much as their own. Therefore, they do not reveal the data of either users or theirs. Everyone has a choice whether they want to use a fully anonymous casino, or prefer one that requires KYC verification.

When you open an account, you agree to undertake the following obligations:

You agree that you comply with all applicable laws and regulations on combating money laundering and terrorism financing, including the АМL Policy.
You confirm that you have no information or any suspicions about the fact that  funds used for depositing in the past, present or future, are received from any illegal source, or have any relation to legalization of income obtained  illegally, or other unlawful activity prohibited by applicable law or the instructions of any international organizations;
You agree to immediately provide any information we think fit to require according to applicable laws and regulatory requirements in respect of combating the legalization of funds obtained illegally.
The company collects and keeps the passport or other ID of the User, and reports on all changes made in the account;

The company monitors any suspicious activity on the User's account, as well as operations carried out under special conditions;

The company has the right to ban the User at any time, if the Company has grounds for supposing that this operation has any relation to money laundering and criminal activity. In accordance with international law the Company is not obliged to inform the User about his suspicious activity and let him know that it has been passed to relevant authorities.

In accordance with the internal AML procedures the Company performs initial and ongoing personal identity verification procedures as provided by the level of risk of each User.

The company will ask you to provide the minimal information to confirm your identity.
The company will record and preserve all data and ID, as well as which methods of confirmation have been used and the results of verification procedures.
The company will check your personal data to match the list of persons suspected of terrorism, which is formed by the authorized state and independent authorities. A minimum set of identification data includes: the User's full name; date of birth (for individuals); residential address or registered address of the User;
sources of funds that you plan to Deposit into the account.
To verify and confirm the authenticity of the above-mentioned data, the Company may require the following documents:

passport or identification card, or other document equivalent that meets the following requirements:

passport or identification card, or other document equivalent that meets the following requirements: contains the name, date of birth and a photograph of the document holder;
issued by the national public authorities, a recently obtained receipt for the payment of utility bills (not older than 3 months) or other documents confirming the address of the User.
The company may also require other additional information, confirmed by relevant documents. In certain cases, the Company may also require not arised copies of documents from the User.