# VICOINDAO 二、区块链高级教程-合约知识教程-3·币种交易法则合约知识教程-

By [VICOINDAO](https://paragraph.com/@vicoindao) · 2022-01-11

---

![](https://storage.googleapis.com/papyrus_images/1be62860066883ab05333249784fff47461ec94aed2cd559a0a28f1b17b3a83b.png)

![](https://storage.googleapis.com/papyrus_images/0d558db6ff09839a535a3529ac5a31e34526878559009a08006d7018f94f04d6.png)

![](https://storage.googleapis.com/papyrus_images/af013305fe086fca53df8e7b352441d8ff67d736ad050538eac3959389757155.png)

![](https://storage.googleapis.com/papyrus_images/0f1d50e8cd2c4889ee2ca8cd3934234e4bbe97b6d6707cc704ca5397ebd93ec2.png)

![](https://storage.googleapis.com/papyrus_images/8b303da85b78607a3dec69d2ede682143e26ad7cec65777eed0621c770fb4b81.png)

![](https://storage.googleapis.com/papyrus_images/ed5508ae1e6e02588966bdd753714abfe4f6f887680d801b525a71a3a9ad1adf.png)

![](https://storage.googleapis.com/papyrus_images/75613ad74dbdb3d59d8bad1dca0ff79660085644f2624649a0b98016800cad39.png)

![](https://storage.googleapis.com/papyrus_images/15351e3a81ae3de6fe1e01f818c0fdd011c48d5033ba4df5e9637757345d35b6.png)

![](https://storage.googleapis.com/papyrus_images/3425783c846ba2558cadc3a3183dbf9c3b8195c0dc8cce1217dd3b4b401ee9a8.png)

![](https://storage.googleapis.com/papyrus_images/3bc066a8aafb4073697f395f1360eda3d8eb4194326fd5fb3c66333dc6867d34.png)

![](https://storage.googleapis.com/papyrus_images/f8d8f09dee9932962bab7130c17d347b14995ced86780f538eae751a7ed7a025.png)

![](https://storage.googleapis.com/papyrus_images/6a32a90725a05eb47eebcb5bce63648a65f87b5a97a52b5c8f91f571aaf7f34d.png)

![](https://storage.googleapis.com/papyrus_images/3e0da2216c65ebc54b4882620f4da689f99aa329775900b87882ef631ee4a99c.png)

![](https://storage.googleapis.com/papyrus_images/09a54ab3e00f0c64e24031ae3ad101b45ee69814456d404fad315c0d7a1910f5.png)

![](https://storage.googleapis.com/papyrus_images/2547bb3590131c4b80173dc97cbcec0f4a8a7c6df89c71f0809c7717c622e485.png)

![](https://storage.googleapis.com/papyrus_images/5c9a9144c2d17a67677b8d1c42ffe0aa925d1967b58356108df264a4c93db2e1.png)

![](https://storage.googleapis.com/papyrus_images/f978d2d2b2b55d4597da638d9d24fdbfda4b027a36ecad99da786e134b4970a7.png)

![](https://storage.googleapis.com/papyrus_images/5d1c503462b80a1dc830e2a9034f415dba1d10478ef4747127ea10cab1f71f8c.png)

![](https://storage.googleapis.com/papyrus_images/9b5655d0872ed8d5ec00c3255a23cb3b9b6e8671d75f51f64b1461850ac78e8e.png)

![](https://storage.googleapis.com/papyrus_images/34095fcb3eaa5241af5c45517524d0782487bb455ad2872df29e7d8b19d19c34.png)

![](https://storage.googleapis.com/papyrus_images/6e855b53cd174c6092afa2259ffa3ca5c21897c60723a215ba5670fa5c7597ec.png)

![](https://storage.googleapis.com/papyrus_images/b9228f06955c4e74b061343d18a890846cc810c848d1f7ffc65ddf401586a6bb.png)

![](https://storage.googleapis.com/papyrus_images/573d3df483e18885c9c5abf70fcb0f9308384d68c98c7007029075a31adcae30.png)

![](https://storage.googleapis.com/papyrus_images/cbd4f2d1674e81759acf3368bdab098846f7052960fa3fec62ed396860f5b38e.png)

![](https://storage.googleapis.com/papyrus_images/3a1279d816431d2bb238dd551f7b0d72c6bdbe4f9a80ae1374cefd28688c3e50.png)

![](https://storage.googleapis.com/papyrus_images/037ada750a4fcd65826b58c9a0cd83efbaea7a7c6e4b871f891570b18ff4778f.png)

![](https://storage.googleapis.com/papyrus_images/5102e4efef09a627247a88bbac8dc59254ea33ebf6017ff263d23b936ea97794.png)

![](https://storage.googleapis.com/papyrus_images/085e638f677c20f48cd96f47a3dd06277bb93472b424272dc41c4b7d1b00ea45.png)

【welcome to join us】 WeChat1：victeam005 WeChat2：shijie20170405 Telegream：[https://t.me/VICOINDAOCHAT](https://t.me/VICOINDAOCHAT) Twitter：@VICOINDAO

---

*Originally published on [VICOINDAO](https://paragraph.com/@vicoindao/vicoindao-3-2)*