User:Aninenfour/sandbox/ChaoEx

CHAOEX (Chinese: 炒客网; pinyin: chǎokèwǎng) is an alternative cryptocurrency exchange supporting tradings both with digital currencies and fiats founded by XYHJ Technology Development Co. Ltd, registered in Estonia, Europe. CHAOEX is regulated by the Estonian government and relevant EU laws,  license number  FVR000397,  and obtained the Pre - A round of investment from Cherubic Ventures in early 2018. As of Mar 15, 2019, 4 trading markets, 78 coins and 79 trading pairs have been listed on CHAOEX .

History
CHAOEX began development in early June 2017 and completed testing in August. The trial operation on September 20 was open to users around the world. In August 2017, CHAOEX started platform token crowd-sale and received 3000 BTC within a week, but refunded to investors 2700 BTC thought it’s not fair to evaluate a start-up company with such a high value. On September 4th, 2017, Chinese government banned all ICO and crypto exchanges, then CHAOEX returned rest 300 BTC to investors.

The 2.0 version was held in Hong Kong on June 28, 2018. As of November 1, 2018, CHAOEX has been upgraded to version 3.0. CHAOEX and other 7 exchanges jointly built POW Exchange Alliance at the end of 2018, dedicating to jointly list quality POW coins on the exchanges within the alliance under strict joint review. CHAOEX team has more than 60 staffs, including domestic business department, technical team, operation team, business team, risk control team, customer service team and trading team. Overseas business department, providing service in English, French, Korean, and Russian.

Core Module
Matching engine: high Concurrency and High Availability: Single Point Service Concurrency > 1,000,000 TPS；Distributed in-memory matching engine supporting scale-out. Troubleshooting: support cluster expansion. Monitoring & warning: independent monitoring; real-time monitoring of function modules; warning abnormal modules timely. Operation & maintenance center: advanced maintenance platform with comprehensive server cluster and database.

Data center
Redis cluster：data push about heartbeat monitoring, real-time market, trading depth, transaction details; Concurrency > 10,000,000 TPS； Kafka cluster：store order queues such as placing orders and cancel orders； Zk cluster ：control and Management Center for each service of the matching engine； DB cluster ：effectively storing various types of data clusters.

Latest SP Cloud architecture
Users center: distributed storage, processing users' related data efficiently and safely; Asset center：distributed processing, processing each digital asset effectively; SMS：support docking related services with mainstream operators.

CHEX & CHEX Foundation
CHEX is an ERC20 cryptocurrency digital asset issued by CHEX Foundation, a global non-profit blockchain foundation. CHEX token is mainly applied to build and motivate CHEX community around the world, to incubate projects, and to support public welfare activities so as to establish a community-oriented autonomous ecosystem focuses on the CHEX Foundation.