Enable security before sending a TX

[SalimArguetaSV]

Feature:

• Enable biometrics or PIN before sending a TX

Current behavior:

• If someone, for some reason, left the wallet open, anyone can complete a TX. There is no way to stop this.

Hypothesis:

• Enable biometrics or PIN before sending a TX can give more security to the user, so the user needs to authorize in a way that only the owner could approve the TX

Impact:

• Fewer people sending TX by mistake
• Feeling of security for the users