Cryptsy was an Internet startup operated by Project Investors, Inc. focusing on the exchange of Crypto-Currency commonly known as Bitcoin and it's derivatives. The exchange used to service more than 90 altcoins.
At some point the exchange disappeared.
- Coindesk: "Cryptsy CEO Paul Vernon may have stolen as much as $3.3m from the now-defunct digital currency exchange and destroyed evidence of his illicit actions." 
- Coindesk: Coinbase has settled a class action lawsuit brought by users of the former Cryptsy cryptocurrency exchange. 
The Cryptsy.com exchange opened on May 20th, 2013 and since then has seen rapid growth in both customer base and trade volume. They have over 130,000 registered users with a volume of over 300k trades per day as of April 2014.
Cryptsy is based in Delray Beach, Florida, USA
The Company's mission is to provide a safe environment for users to trade crypto-currencies with other users in an efficient and easy to use manner.
Cryptsy will in the near future expand further by offering exchanges of fiat currency (USD) directly to crypto-currency, while also maintaining Full Compliance with global, national, and local regulations.
Cryptsy will expand its service offerings for merchants who want to easily accept BitCoin and other crypto-currency payments as an alternative payment method for their ecommerce sales.
Cryptsy will offer an escrow service for safe and direct user to user transactions