Web-based wallets store your private keys online on a server controlled by an admin group. Some wallets conveniently link between your mobile and software wallets. You can access this wallet anywhere, making it a popular choice. The website is in charge of your keys and can take your bitcoins out of your control. Many web wallets suffered from security breaches in the past. Be aware of the risks before investing. There are plenty of wallets that claim security for their customers. Some of the popular servers that have been active for a while now are: Coinbase, Circle, and Xapo.  Coinbase operates worldwide and offers exchange services between US and Europe. Circle only lets US citizens to link their bank accounts to deposit money. Debit or credit cards are options for users in other countries. Xapo is a very simple wallet that is easy to use and includes an extra security method called a cold-storage vault. The world of bitcoin often draws anonymous users for various reasons. Some of these types of wallets are less secure and don’t offer much in the means of insurance. Dark Wallet operates as a chrome extension and is the most popular anonymous wallet. These types of servers fluctuate in stability for your coins. At any moment the server could become vulnerable to becoming hacked. Some of the features of anonymous wallets are appealing like the fast cash out module.

Summary:
Understand web wallets. Pick a web based wallet. Use an anonymous wallet.