The four most famous international exchanges:

Binance INTL	OKX INTL	Gate.io INTL	Huobi INTL
China Line　APP DL	China Line　APP DL	China Line　APP DL	China Line　APP DL

Note: The above exchange logo is the official website registration link, and the text is the APP download link.

Qtum is the first POS smart contract platform based on the UTXO model. It can achieve compatibility with the Bitcoin ecosystem and the Ethereum ecosystem, and promote the productization of blockchain technology and improve the blockchain industry through mobile strategies. Ease of use, aiming to connect the real business society with the blockchain world. Therefore, Qtum is a master of blockchain application platforms.

Qtum uses its academic partners, development tools and methodologies to standardize the development of business smart contracts, including accurately translating natural language contracts into machine-readable smart contracts, highly fault-tolerant details and contract terms. Third parties will develop dedicated user interfaces with the assistance of Qtum to strengthen smart contract life cycle management.

Qtum aims to build a smart contract hub through collaboration with a range of partners and third parties, providing secure and repeatedly tested contract templates suitable for a variety of industries and use cases, such as supply chain management, communications, IoT, social Media etc.

 **01. Create trusted decentralized applications**

By merging an improved version of Bitcoin Core infrastructure with a mutually compatible version of the Ethereum Virtual Machine, Quantum Chain has both Bitcoin’s indestructible blockchain network and the unlimited possibilities of smart contracts.

With stability, modularity, and intercompatibility as its design principles, Qtum aims to be the most important tool for developing trustworthy decentralized applications that are applicable to real-world business environment use cases. The comprehensive features of Quantum Chain and its unprecedented proof-of-stake consensus mechanism make applications on Quantum Chain compatible with major mainstream blockchain ecosystems and provide native support for mobile devices and the Internet of Things.

 **02. Commercial smart contracts**

Quantum Chain makes the use of blockchain technology by mainstream industries and traditional enterprises more convenient than ever. Create your own tokens, automate supply chain management, and use self-executing contracts in a standard, stable, and tested environment.

 **Smart contract life cycle management**

Qtum uses its academic partners, development tools and methodologies to standardize the development of business smart contracts, including accurately translating natural language contracts into machine-readable smart contracts, highly fault-tolerant details and contract terms. Third parties will develop dedicated user interfaces with the assistance of Qtum to strengthen smart contract life cycle management.

Set industry standards

Qtum aims to build a smart contract hub through collaboration with a range of partners and third parties, providing secure and repeatedly tested contract templates suitable for a variety of industries and use cases, such as supply chain management, communications, IoT, social Media etc.

03. Mobile-oriented strategy

Quantum Chain uses Bitcoin's UTXO model, and the code base supports the Simple Payment Verification (SPV) protocol by default. This allows Quantum Chain to run smart contracts on light wallets, and light wallets can be simply installed on any mobile device, thus creating an era of mobile decentralized applications.

Currently, half of the traffic on the Internet is generated by smartphones and tablets. Quantum Chain’s mobile-oriented strategy will eventually allow blockchain to have a disruptive impact on the world.

04. Account abstraction layer

Qtum improves Bitcoin’s “Script” language so that it can be used as a medium for transmitting code to the Qtum Ethereum virtual machine. This innovative design makes up for the shortcomings of the past blockchain ecological environment, enabling smart contracts and decentralized applications in real business society to run safely, quickly and conveniently on the quantum chain, combined with the mature and stable characteristics of the Bitcoin network Break down the barriers between blockchain and real business society.

05. Cross-platform and forward compatible

Quantum Chain is compatible with current Ethereum smart contracts and Bitcoin gateways, and will remain forward compatible even after system updates.

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