Problem description
API blockchain-public-address version 0.3.0 functional enhancements

Possible evolution
Issues to be managed:

• Enhancement of blockchainPublicAddress belongs to the user whose phoneNumber is indicated to set-up the binding relationship #52
• Enhancement API to align with Chain Agnostic Improvement Proposals (CAIPs) #72
• Enhancement of blockchainPublicAddress (Part 2) - Enforcement of Blockchain ownership to the user whose phoneNumber is going to be used for the binding #78

Alternative solution
N/A

Additional context
Issue #78 (It may generate separate API)