This layer is also used for the storage of all transaction information and the digests of the messaging between multiple applications. When it comes to metadata, the strings which are added usually represent the digest of out-of-chain messages which can be interpreted as the payload. Types of information involved include smart contract data, metadata and transaction data. This logical layer tackles all information retrieved from the ledgers which are deemed relevant. This is why this layer is made up of both varied and isolated ledgers. Yet, the scope of transactions made on a specific blockchain is limited to that domain, meaning that they cannot be made valid in other ledgers as well. This process is made simpler by placing all of the related operations in a single layer. It is home to all operations which are required to reach the consensus in several blockchain domains. This layer handles the storage of transactions using ledger technology. The developers decided that organizing it based on the layers which perform individual tasks is the best way to achieve the platform’s goals, leaving the Overledger with the following components: The architecture in question was actually inspired by the TCP/IP models used with the communication networks. Removal of the communication barriers between blockchains and support for the use of MApps as dApps running on multiple different ledgers, prompted the Overledger team to design an architecture which should support both interoperability and scaling. By allowing the users to make use of the Overledger, the team behind it hopes to speed up the adoption of both new applications and their features. Trying to pick out the best system based on the need to meet diverse technological and business requirements of blockchains for the use with dApps, can be a complicated affair. Overledger is a technologically agnostic platform, meaning that the users looking to work with it are not limited to a single tech provider in trying to link with various networks and blockchains.With Quant, businesses are not limited to access to a single blockchain only, which means that their applications can implement and offer a diverse array of features from all blockchains the platform enables access to. Overledger hopes to support the development of tailor-made solutions for specific sectors, with its architecture serving as a shortcut to cutting high costs of doing so and removing the requirement to own complex infrastructure encompassing multiple chains. Development of specific blockchain-based solutions does not have to drive higher costs and technological demands.Without being forced to add another blockchain, the users can rely on the trust and security of the source chain. At the same time, interoperability is not limited to transferring value between blockchains as it also covers the exchange of messages and data by adding a hash of a message to the metadata of any transaction. The same goes for supporting communication between every application within the ecosystem with the desired blockchain. Overledger is supposed to provide any network used for a particular purpose with a gateway to all other blockchains, not unlike a “magic” portal with a functional interface. Quant is supposed to bridge this gap as a blockchain’s “missing link”. While blockchain and distributed ledger technologies manage to find an increasing number of use cases, they still lack seamless interoperability, both among the internal ledgers and external networks.With that in mind, the team led by Verdian set on resolving a set of issues in order to bring about a future concept called the “Internet of Trust”: Back then, he identified the key role of interoperability in ensuring coverage for patients registered on diverse networks and featured across multiple datasets. The idea for the creation of the Overledger/Quant was birthed in the head of the project’s CEO and founder Gilbert Verdian while he was working in the healthcare sector. Becoming part of the Overledger, however, will be secured only with the use of QUANT (QNT) tokens which are utilized to pay for the platform use fees or annual licenses. The Overledger represents the core around which a future digital economy ecosystem is supposed to be built, allowing the developers and businesses in it to build decentralized multi-chain applications (known as MApps) for their customers. The system is billed as the first OS to be built for blockchains, with the goal to connect blockchains and networks (such as those for the provision of financial services, healthcare and others) on a global scale, yet without hampering their interoperability. The heart of the Quant project is the Quant Network as a technology which automates the trust functions between multiple blockchains with the help of the Overledger operating system.
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