Required software development freelancer for Integrate Crypto Currency Wallet to Exchange Site job

Only for Crypto Wallet Expert Freelancer

I'm developing the cryptocurrency exchange system. I Need to integrate the Crypto wallet such as Bitcoin, Eth, Ripple, litecoin etc, ... into my site. I need to create and manage separate wallet for each account or similar solution for easy wallet management and less cost for withdrawing.

The scope includes handover of source code and related documentation and Application Demo.

For Example :-

Managing Multiple Crypto Account using a contract including:
1.creating multiple accounts
2.Sending crypto from multiple accounts to some other account:Creating a Raw Txn, Signing it using master Private Key, Broadcasting to network
3.monitoring these accounts, check balances and Transaction History of an address.

Welcome to everyone!

Skills & Expertise Required

software development