Once you have installed the wallet, you can acquire Emercoin on web-sites:
Emercoin is an emerging leader in secure, distributed blockchain business services. With many companies using Emercoin technology, both the Emercoin team and the broader developer community has maintained and developed services for the public Emercoin Blockchain, which uses the Emercoin cryptocurrency (EMC) to perform a variety of services.
Offering some of the most innovative, real-world solutions, the Emercoin Blockchain is a premier public blockchain for secure, decentralized business operations.
So how do you exactly buy cryptocoins on an exchange? The easiest way is to place a “market” order, meaning that you will buy EMC for USD at the lowest rate currently offered by sellers.
All cryptocurrency exchanges charge a small fee on the deal amount, usually varying from 0.10% to 0.25%. A third party has compiled a set of comparisons here.
Just like with any cryptocurrency, you can earn coins by generating new blockchain blocks. This can be done either through merged mining with Bitcoin, or through minting blocks in Emercoin’s own blockchain.
In the latter case, you get PoS bonuses at the rate of approximately 6% per annum on the staked EMC amount.