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How do you think of ugChain coupled-chains?
UgChain coupled-chains is an innovative approach in solutions in the world of cryptocurrencies, where the most diverse advantages are mixed to obtain the best results, in order to attract people who are not immersed in the world of cryptocurrencies.

What the differences between sidechain and coupled-chains?

First, it Is important to know what is a sidechain? To that I’ll copy two concepts:

Put simply, sidechaining is any mechanism that allows tokens from one blockchain to be securely used within a completely separate blockchain but still moved back to the original chain if necessary. By convention the original chain is normally referred to as the "main chain", while any additional blockchains which allow users to transact within them in the tokens of the main chain are referred to as "sidechains". For example, a private Ethereum-based network that had a linkage allowing ether to be securely moved from the public Ethereum main chain onto it and back would be considered to be a sidechain of the public network.
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Also, they conceptualized a Sidechain as:

Sidechain is a blockchain that runs in parallel to the main blockchain which extends functionality through interoperable blockchain networks allowing a decentralized way of transferring/synchronizing your tokens between the two chains. In other words, you can move your cryptocurrency to the sidechain and then back to the main chain.
Sidechains are decentralized, peer-to-peer networks that provide useful enhancements (such as security, risk, and performance) for global systems of value exchange that don’t need any other third parties. They enable developers to safely develop new applications without a risk.
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So, when it comes to differences, it’s important to notice:

• Other accounts save the informacion in servers, DAS save the informacion in the blockchain network.
• There is no authoritative node
• In game distribution channel and game account, the ugChain may help to resolve several problems, such as : high cost, long time of traditional game account among others.
• Also, the decentralization feature of the Ethereum and their characteristics allow more players to participate in and let them feel free from worries.

How can ugChain change the virtual assets management of game industry?

ugChain will improve the virtual assets management, making this easier and secure, the next image will explain it better:

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The game asset owned by game player can be registered with the blockchain to correspond to the player’s address. Therefore, the user can transfer the game asset safely and quickly through the smart contract. For the transfer of game asset controlled by the smart contract, the transaction process will become more transparent, convenient and secure, and the transaction result will be irreversible and permanently traceable.
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How is the UGC application?

ugChain is he first series of decentralized applications based on blockchain tech, there you can have these features:

• A reliable and decentralized application and account system.
• An answer to the efficiency of blockchain, thanks to the world's first double-blockchain system solutions.
• A development platform.
• Development of the virtual asset management based on blockchain technology.
• Virtual world access.

You can find more information in :

website
Whitepaper