fix: make changes based on comments of #481

[yunchipang]

Description

Issue(s) addressed

• Resolves feat: port over wallet module #481

What kind of change(s) does this PR introduce?

• Enhancement
• Bug fix
• Refactor

Please check if the PR fulfils these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Issue

What is the current behavior?

What is the new behavior?

Breaking change

Does this PR introduce a breaking change?

Other useful information

[yunchipang]

@Kpoke i set sync to false (as mentioned in #475) and added a migration to solve the issue. please let me know if there's any other concerns. tysm!