Centralised Exchanges Companies

xRocket is a custodial cryptocurrency wallet and exchange bot integrated into Telegram. The platform provides spot trading, peer-to-peer markets, cryptocurrency storage, and payment functionality through a single interface. It supports multiple blockchain networks and tokens, including Bitcoin and TON Jettons. The system includes merchant-oriented features such as cheques, invoices, and paid subscription management for Telegram channels. Users can purchase cryptocurrency via bank card through the P2P market and transfer funds to external wallets or other Telegram users. The platform operates an NFT collection called xRocket Cosmonauts that provides holders with reduced trading fees, referral bonuses, and API fee waivers. The service functions as a Telegram-integrated alternative to standalone cryptocurrency exchanges, serving retail users and content creators who monetize within the Telegram ecosystem.

XXKK Exchange is a custodial cryptocurrency trading platform that provides spot trading, USDT-margined perpetual contracts, and a simplified contracts interface designed for beginner traders. The platform supports trading pairs including BTC, ETH, XRP, SOL, and DOGE. Key features include copy trading functionality and a referral program. Users can access the platform through web and mobile applications, including Android and iOS versions. The platform maintains an active development cycle, as evidenced by recent web interface upgrades and an ongoing bug bounty program. The exchange operates with a small user review base on third-party rating platforms.

YAX is a Hong Kong-based custodial cryptocurrency exchange regulated by the Securities and Futures Commission under Type 1 (Dealing in Securities) and Type 7 (Providing Automated Trading Services) licences, and holds a Virtual Asset Trading Platform licence under the Anti-Money Laundering Ordinance. The platform operates as a wholly owned subsidiary of UP Fintech Holding Limited. YAX enables fiat-to-crypto trading through USD and HKD bank transfers. Client funds are held in segregated accounts protected by institutional-grade custody insurance. The platform maintains ISO 27001 and ISO 27701 certifications for information security and privacy management. YAX integrates transaction monitoring services through a partnership with Solidus Labs. Its subsidiary, Sentinel & Guardian Prudential HK Limited, holds a Trust and Company Service Providers licence.