The private key should be displayed as the popular hexadecimal form

[Zhangguiguang]

For almost all blockchain wallets, their private and public keys are displayed in hexadecimal form.

I suggest that you should also adopt this popular display format.

[9oelM]

+1 for this. decimal format is not really relevant.. I thought it's a hex number but actually it's just a decimal format so i had to convert it 😂