# Hwik Circle Layer Architecture

Blockchain has three representative characteristics: decentralization, transparency, and invariance. Without a single object controlling the blockchain, all activities on the blockchain can be checked by anyone and cannot be reversed. This unique characteristic is the basis for a specific object to operate on the blockchain without trusting or relying on anyone else. Guaranteeing trust in this trustless environment is the reason why digital assets and blockchain technologies are attractive to all users around the world. 

The Hwik Circle Layer(HCL) has an architecture that allows various service providers to provide modular smart mobility services on an integrated layer based on data sources in a trustless environment, as shown in the figure below. The following architecture allows small scale partners to freely connect to the trustless environment layer of the blockchain that is standardized and easy to integrate so that they can use a full range of high-quality services.

<figure><img src="/files/jNgZ2bTAeAfEfOfWjEMJ" alt=""><figcaption></figcaption></figure>

Each modular service may include a variety of applications such as decentralized finance (DeFi), Mobility as a Service (MaaS), Logistics as a Service (LaaS), Micro Mobility (PM; Personal Mobility), Decentralized Identity (DID), Credit Risk Score, Decentralized Social Media, Reputation Index and so on. Data Sources are stored safely in the Decentralized Storage Network(DSN).


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