eChecks are the digital counterpoints of the pieces of paper found in a checkbook. Buyers and sellers pay and get paid by eCheck in electronic transactions. Funding a Xoom money transfer with an eCheck is easy and secure. All you need is a U.S. bank account. An eCheck is an electronic payment where the money. An eCheck is an electronic payment funded by the buyer's bank account. With an eCheck, the recipient should receive the money within business days. Buyers and sellers pay and get paid by eCheck in electronic transactions similar to tradtional banking. Choose "Pay with a Bank Account" to use the eCheck funding method. The providers of eCheck merchant accounts charge different fees to process an eCheck. To send an eCheck, in response to an invoice or Money Request, you need to have a bank checking or savings account linked to your PayPal account. If you do not see this green lock icon then there is a good chance the site is not encrypted and it is recommended not to proceed with the eCheck on that site. Most sites are safe and encrypted but it is better to be safe then sorry.