Ox21 domain apk for registration, edit, and in-app trade -- 2

Ox21 domain apk for domain register, edit, in-app trade
Check the attached document for more details

Must have IPDB and IPFS
Work with Ox21 app
Every Ox21 user can purchase his own Ox21 domains at a cost, contains letters and numbers, special characters, in any language, space is allowed between letters or numbers, you cannot have two or more spaces in a row, not for the leading or ending character.
Special characters are allowed, please check the link,
https://www.computerhope.com/jargon/s/specchar.htm
Ex. of a 5 digit domain: the length of the domain is a mix of 5 letters, numbers, or special characters,
e.g., Mynam
My_na
m5/na
m5 na, (space is ok, no leading or ending spaces)
/5_=P
And letters can be in any language
我的名字是 – in the Chinese language
Regular cost at 1 JIN, which equivalent to US6 for length of 6 or longer,
Shorter domain more expensive,
5-digit domain, 100 JIN
4-digit domain, 10k JIN
3-digit domain, 1 million JIN
2-digit domain, 100 million JIN
1-digit domain, 10 billion JIN