First you must know that you need to use a payment processor such as Paypal. In this way you will protect your bank accounts against thief. Other e-currencies are:

SolidTrustPay

Using SolidTrustPay you can pay for products and services from verified merchants WITHOUT sharing your personal or financial information! Their 256bit SSL security ensures top level privacy and encryption and you can withdraw easily to many options, including the fully insured VirtualMoney Debit Card.

LibertyReserve

Liberty Reserve is a 100% irrevocable payment system and digital currency. You can send or receive money to or from anyone in the world. Liberty Reserve is incorporated under the laws of Panama, with offices worldwide, including New York, Germany, and France.

PerfectMoney

Perfect Money system possesses a perfect security system that surpasses the development of today’s crack technology but most important they have NO FEES for money transfer in 2008.

StrictPay

StrictPay provides a safe a secure method for customers and businesses to send and receive internet payments quickly and at a low cost. With StrictPay you can buy online, sell online, request money, transfer funds, or pay bills without ever needing to use your checkbook or visit an ATM.

You can make money online using different payment processors to deposit in high yield investment programs but you must be carefull because most of them are Scams. You should read my guide about how to protect yourself against scams.

You can make profits online by becoming a forex trader but for that you must learn how to trade foreign exchange and you can visit my forex reviews site to get more information.