# 4. 免费链上支付


**Published by:** [xzczxc](https://paragraph.com/@xzczxc/)
**Published on:** 2022-05-21
**URL:** https://paragraph.com/@xzczxc/4

## Content

免费链上支付初听起来似乎更像一个营销噱头，毕竟只要一个应用涉及到与公链交互，那么理论上便不可能做到真正的免费，至少也无法实现长期的真正免费。但基于 Arweave 开发的链上支付协议 everPay，却几乎实现了这个不可能完成的目标。

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