The rules for Assigned Blockchain Names and Numbers （v1.2）
Rules for the commercial registration of domain names
2.1 Opening and auditing of character bits
2.1.1 In principle, open all compliance characters of 1-63 characters
2.1.2 According to the qualifications and conditions of the Registration Office, the registration of 1-3 characters shall be gradually opened after examination
2.2 Reserve and auction of commercial vocabulary
2.2.1 Allow the Registry to retain business terms
2.2.2 Allow the Registry to offer value-added services by commercial auction of reserved terms
2.3 Multilingual, emoticon text and pictures
2.3.1 The registration of multilingual domain names is not open temporarily
2.3.2 Do not open emoji characters, image-based registration