Bill payment website for B2B and B2C with payment gateway(Including Crypto Payments)

creation of Wallet
Deposit withdraw from attached bank
payment integration(upi, Net banking, Wallets Integration, Crypto Integration)
KYC Mandatory
Profile
Utility bills payment
Recharges
Services payments
Ecommerce payments
product listings
Coupons API Integrations
billing and invoices management
API Integration from Third party
Vendor Registration
Website Should have B2B and B2C also
we can make whitelable also for resellers
Admin Panel with controls
Vendor panel with controls
user panel with rewards

I Need Phrase wise breakup and experience on similar works is mandatory.