March 2022
Intermediate to advanced
293 pages
5h 31m
Chinese
Content preview from 精通区块链
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142 ｜ 第 6 章
挂单
/
吃单
几乎所有的加密货币交易所都使用挂单
/
吃单模型收取费用。这意味着提
供流动性的交易者（称为挂单）无需支付费用，而在订单簿上进行市场交
易的交易者（吃单）则为了能够进行交易而支付费用。
买价（
bid
）
买方愿意为市场订单支付的最高价格。
卖价（
ask
）
卖方愿意接受的市场订单的最低价格。
本节的其余部分介绍在交易加密货币时应注意的各种概念。
6.2.1
订单簿
订单簿是交易所中加密货币未完成订单的直观表示。尽管界面可能会有所不
同，但所有订单簿通常都做相同的事情：它们允许交易者查看已放置的待成
交的买价（买入）和卖价（卖出）。图
6-2
展示了一个订单簿的示例。
市场规模是订单中放置的加密货币数量。与传统股票不同，加密货币是有小
数的，很多货币精度达到小数点后八位。对于比特币，像
Coinbase Pro
这样
的交易所使用四位小数进行交易。希望出售的交易者用红色表示，而购买则
用绿色表示。
6.2.2
滑点
交易的预期价格与其执行价格之间的差异（即滑点）是加密货币交易中的一
个主要问题。由于大多数交易所的订单簿很薄，意味着它们缺少大量订单，
因此较大的订单以低于理想价格的价格成交。
市场基础设施 ｜ 143
图
6
-
2
：一个典型的订单簿
144 ｜ 第 6 章
假设一名交易者想在加密货币交易所出售价值
60000 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.