Zelle on Bitsy Wiki

How Zelle Works

Mon, 01 Jan 0001 00:00:00 +0000

Zelle does not move money. It is a directory and a messaging network. The money moves on rails that already existed, later, and in a different shape from what the user saw.

The speed, the irrevocability, and the absence of any Zelle balance or account to look at all follow from that.

What happens when you press send#

You open your bank’s app, choose Zelle, and enter a mobile number, email address, or tag — an alias — plus an amount. What follows takes seconds and involves four parties.

Zelle Alias

Mon, 01 Jan 0001 00:00:00 +0000

Everything convenient about Zelle, and a large share of what goes wrong with it, comes from one substitution: instead of addressing a payment to a routing number and an account number, you address it to an alias — a US mobile number, an email address, or a Zelle tag.

An alias is not an account. It is a lookup key in a directory operated by Early Warning Services, mapping the identifier to exactly one deposit account at one participating institution. Enrollment is the act of claiming an alias; sending is a directory query followed by a credit push. Zelle is a naming layer, and it inherits the problems every naming layer has.

Zelle Tag

Mon, 01 Jan 0001 00:00:00 +0000

A Zelle tag is a handle — brooklynbarbeque — that a small business claims inside the Zelle network and prints on a menu, a receipt, or a storefront window. Customers pay it the way they would pay a phone number, and the money lands in the business’s deposit account in minutes.

It is the third kind of Zelle alias, and the only one the network issues rather than takes on faith from a mobile carrier or a mail provider. That difference determines who can steal it, whether a mistaken payment can be cancelled, what the sender can verify before sending, and what a business’s customers give up so that the business can be paid instantly and for free.

Fraud and Liability

Mon, 01 Jan 0001 00:00:00 +0000

Zelle’s fraud problem follows from two decisions taken together: build an irrevocable payment system for consumers, and decline to decide who bears the loss when a consumer is tricked into using it.

The mechanics are covered in how it works and the Zelle alias. This page is about the legal question they produce, which remains genuinely unresolved in the United States and has been settled elsewhere.

Authorized and unauthorized#

US consumer payment law divides electronic fraud into two categories, and the dispute is entirely about where the line between them falls.

Zelle Alternatives

Mon, 01 Jan 0001 00:00:00 +0000

Zelle and Venmo look alike on screen and differ in the one place that matters: where the money sits between sender and recipient. That difference cascades into custody, regulation, revenue, and what happens when something goes wrong.

This page sets Zelle against three groups: the consumer apps it was built to displace, the instant rails it competes with and increasingly runs on, and the national systems other countries built for the same purpose under different ownership.