You can purchase RALLY-2 from these places
Go to Bitfinex
The largest and most advanced cryptocurrencies exchange
Go to Bithumb
Bithumb is one of the largest exchanges in South Korea, allowing users to buy/sell/store Bitcoin and Ethereum.
Go to Bitstamp
Bitstamp is run from the United Kingdom and is one of the most popular fiat to Bitcoin exchanges.
Go to HitBTC
The most advanced cryptocurrency exchange to buy and sell Bitcoin, Ethereum, Litecoin, Monero, ZCash, DigitalNote, Ardor.
Go to Korbit
Trade Bitcoin & Ethereum. Transfer money globally. Korbit, Korea's leading digital currency exchange.