In 2018 alone, payment networks processed nearly 370 billion transactions.

仅在 2018 年，支付网络就处理了近 3700 亿笔交易。

This network processes transactions made with the digital currency. Bitcoins are stored in a " digital wallet" over the Internet or on the user's computer.

这个网络用比特币这种电子货币进行交易，比特币被储藏在互联网上的一个“电子钱包”里或用户的计算机里。

These are the bottom five layers of the Open System Interconnection (OSI) model, a conceptual framework for compartmentalizing all these different network processes.

这些是开放系统互连 (OSI) 模型的底部五层，该模型是用于划分所有这些不同网络进程的概念框架。