A new exchange for cryptocurrencies. After its long beta test phase, it has just been officially opened for trading.
It is the brainchild of Jesse Powell, the CEO of San Francisco-based company Payward. Kraken has been designed to bring digital currency traders some of the same features enjoyed by forex traders such as stop orders and margin trading.
Currently, it is only possible to trade between euros, bitcoins, and litecoins.
site link: https://www.kraken.com/
Choose carefully any service that store and manage funds for you. Very few Bitcoin businesses offer enough insurances to be used to store money securely like a bank at this point.