レッスン3

Technical Architecture of Ontology

The technical backbone of Ontology is detailed in this section, covering its layered architecture, including the Core Layer, Service Layer, and Multichain Network. It explains Ontology’s support for smart contracts through EVM and OVM, its Oracle framework for integrating off-chain data, and its robust security measures that ensure the platform’s scalability, reliability, and interoperability.

Ontology Infrastructure

Ontology’s technical architecture is designed as a multi-layered, modular framework that balances scalability, security, and interoperability. It provides a robust infrastructure for decentralized applications (dApps) and business solutions, addressing the challenges of trust, data privacy, and governance within distributed systems. The architecture comprises the Core Layer, the Service Layer, and a Multichain Network Design, each optimized to support diverse use cases and performance requirements.

Ontology Core Layer

At its foundation lies the Ontology Core Layer, which includes a distributed ledger, a smart contract system, and robust security mechanisms. The distributed ledger operates as a decentralized and tamper-proof system, ensuring the integrity of all data stored within the network. This layer integrates the Ontorand Consensus Engine (OCE), a next-generation modular consensus framework. It supports multiple consensus algorithms, including Ontology’s proprietary VBFT (Verifiable Byzantine Fault Tolerance) algorithm. VBFT is uniquely tailored to provide scalability by combining Verifiable Random Function (VRF), Byzantine Fault Tolerance (BFT), and Proof of Stake (PoS). This enables high-speed consensus with reduced computational overhead while maintaining security and decentralization. VBFT’s adaptability allows it to handle dynamic node configurations, making Ontology highly versatile for both small-scale and enterprise-level applications.

Service Layer

The Service Layer offers modularized tools and protocols to enhance user and developer interaction with the Ontology ecosystem. Key services include decentralized identity management through ONT ID, data protection frameworks, and the Distributed Data Exchange Framework (DDXF). These services are essential for applications requiring stringent data privacy, user authentication, and regulatory compliance. By decoupling these functionalities into modular components, Ontology ensures flexibility and ease of integration for developers building on its platform.

Ontology’s architecture also incorporates advanced scalability solutions, including multi-layer sharding and cross-chain interactions. The sharding design divides the network into “parent shards” and “sub-shards,” allowing for independent processing and storage within each shard. This approach reduces performance bottlenecks while maintaining decentralized security. Ontology’s cross-chain capabilities enable seamless interactions between its blockchain and other networks. Using mechanisms like cross-chain transaction relayers and Merkle-Patricia Trees (MPTs) for security, Ontology ensures reliable asset transfers and data exchanges across different ecosystems.

Ontology Multichain Network

The Ontology Multichain Network is another critical component of the architecture. It supports multiple governance models and facilitates interoperability among distinct blockchain networks. This design allows each chain to function autonomously while maintaining compatibility with the broader Ontology ecosystem. By integrating function-specific and business-specific chains, Ontology caters to a wide range of scenarios, from supply chain management to financial services, ensuring scalability and customization for enterprise solutions.

Additionally, Ontology’s technical architecture includes hybrid solutions for storage and computation. A hybrid storage system decouples data and asset attributes, enabling efficient data management through off-chain and on-chain synchronization. Similarly, the integration of a Trusted Execution Environment (TEE) supports complex computations while ensuring data integrity and security. These features allow Ontology to cater to applications with high computational demands, such as AI models and big data analytics.

Smart Contract Support

Ontology’s smart contract framework is designed to be both versatile and developer-friendly. It supports multiple virtual machines, including the Ethereum Virtual Machine (EVM) and the Ontology Virtual Machine (OVM). The integration of EVM compatibility is particularly significant because it allows developers who are already familiar with Ethereum’s ecosystem to deploy their Ethereum-based smart contracts directly on Ontology. This reduces the learning curve for new developers and expands the range of dApps that can be hosted on the Ontology network. By bridging Ontology with Ethereum’s extensive developer ecosystem, this feature enhances interoperability and accelerates the adoption of Ontology’s platform.

The Ontology Virtual Machine (OVM) is the network’s native execution environment for smart contracts. Built with efficiency and flexibility in mind, the OVM is optimized for high-speed execution and low-cost operations. This ensures that developers can create and deploy smart contracts without the performance bottlenecks or excessive fees that often plague other blockchain platforms. Additionally, the OVM is designed to support multiple programming languages, including Python, Go, and C#, providing developers with a variety of options to build their applications using tools they are already proficient in.

Another notable feature of Ontology’s smart contract support is its low-cost execution model. Unlike platforms where high transaction fees can deter developers and users, Ontology’s use of the ONG utility token to cover operational costs ensures that fees remain predictable and affordable. This economic structure is particularly advantageous for dApps that rely on frequent or micro-transactions, such as gaming platforms, DeFi protocols, and supply chain systems. By lowering the financial barriers to entry, Ontology fosters an environment where innovation can thrive.

The flexibility of Ontology’s smart contract framework also extends to its compatibility with cross-chain solutions. Through its interoperability features, Ontology enables smart contracts on its platform to interact with other blockchains, facilitating seamless data exchange and asset transfers. This cross-chain functionality broadens the scope of potential applications for Ontology-based dApps, allowing developers to create solutions that leverage the strengths of multiple blockchain ecosystems.

Ontology Oracle Infrastructure

The Oracle framework operates through a dual-layered infrastructure comprising on-chain and off-chain components. These two layers work together seamlessly to collect, process, and relay external data to smart contracts.

Off-Chain: Oracle Nodes and Data Sources

The off-chain layer includes Oracle nodes and data sources, which function as the backbone of the Oracle framework. Oracle nodes are connected to the Ontology network, continuously listening for data requests issued by Oracle contracts. When a request is detected, the nodes execute two critical tasks:

  1. Data Crawling: Fetching the required data from external sources, such as APIs or web services.
  2. Data Analysis: Processing and analyzing the fetched data to ensure accuracy and relevance.

After completing these tasks, the Oracle node serializes the data into a specified format and writes it into the Oracle contract on the blockchain. The modular design of the off-chain layer ensures that these Oracle nodes can support multiple blockchain networks in the future, making Ontology’s Oracle framework a scalable solution for diverse use cases.

On-Chain: Oracle Contracts

The on-chain component of the Oracle framework is represented by Oracle contracts, which serve as the repository for off-chain data. Once Oracle nodes process and serialize data, they transmit it to the Oracle contract, where it is securely stored. Other smart contracts within the Ontology ecosystem can invoke this Oracle contract to retrieve and utilize the data, enabling automated execution based on external conditions.

The workflow of the Oracle framework demonstrates its efficiency and reliability in handling external data. It follows a structured process:

  1. Data Request: A client dApp issues a data request to the Oracle contract, specifying the required external data.
  2. Request Logging: The Oracle contract records this request in its ledger, functioning like a decentralized database.
  3. Data Fetching: An Oracle node identifies the request and fetches the required data using an RPC interface to interact with external APIs.
  4. Data Processing: The fetched data is processed and serialized by the Oracle node according to the format specified by the client.
  5. Data Transmission: The processed data is transmitted to the Oracle contract, making it accessible on-chain.
  6. Smart Contract Invocation: Other smart contracts can then invoke the Oracle contract to access the stored data, enabling seamless interaction with the external world.

Security Measures

Ontology has implemented a multifaceted approach to ensure robust security across its network. By leveraging advanced cryptographic techniques, decentralized architecture, and proactive risk management strategies, Ontology has created a secure ecosystem that meets the demands of both enterprises and individual users.

One of the core components of Ontology’s security framework is its decentralized consensus mechanism, VBFT (Verifiable Byzantine Fault Tolerance). VBFT combines the strengths of Verifiable Random Function (VRF), Byzantine Fault Tolerance (BFT), and Proof of Stake (PoS), ensuring both reliability and resilience. By requiring validators to stake ONT tokens, VBFT incentivizes honest behavior, as validators risk losing their staked tokens if they act maliciously. Additionally, the randomness introduced by VRF in the leader selection process prevents collusion and centralization, further safeguarding the network against coordinated attacks.

Ontology employs advanced cryptographic techniques to secure transactions and data on its blockchain. The platform utilizes digital signatures and hashing algorithms to ensure that all data recorded on the blockchain is tamper-proof. Transactions are validated and encrypted before being added to the ledger, ensuring that unauthorized modifications are impossible.

ONT ID provides users with complete control over their digital identities, enabling them to share only the information necessary for a specific transaction or interaction. This reduces the risk of identity theft and unauthorized access, as sensitive data is not stored in centralized databases that are vulnerable to breaches. By leveraging blockchain’s inherent immutability and transparency, ONT ID ensures that identity-related processes are secure, verifiable, and resistant to tampering.

Ontology has also implemented rigorous testing and auditing practices to ensure the security of its smart contracts and network infrastructure. Developers have access to comprehensive debugging and simulation tools that allow them to identify and resolve potential vulnerabilities before deploying their applications on the mainnet. Furthermore, Ontology collaborates with third-party security firms to conduct regular audits of its codebase and network, ensuring that the platform remains resilient against emerging threats.

免責事項
* 暗号資産投資には重大なリスクが伴います。注意して進めてください。このコースは投資アドバイスを目的としたものではありません。
※ このコースはGate Learnに参加しているメンバーが作成したものです。作成者が共有した意見はGate Learnを代表するものではありません。
カタログ
レッスン3

Technical Architecture of Ontology

The technical backbone of Ontology is detailed in this section, covering its layered architecture, including the Core Layer, Service Layer, and Multichain Network. It explains Ontology’s support for smart contracts through EVM and OVM, its Oracle framework for integrating off-chain data, and its robust security measures that ensure the platform’s scalability, reliability, and interoperability.

Ontology Infrastructure

Ontology’s technical architecture is designed as a multi-layered, modular framework that balances scalability, security, and interoperability. It provides a robust infrastructure for decentralized applications (dApps) and business solutions, addressing the challenges of trust, data privacy, and governance within distributed systems. The architecture comprises the Core Layer, the Service Layer, and a Multichain Network Design, each optimized to support diverse use cases and performance requirements.

Ontology Core Layer

At its foundation lies the Ontology Core Layer, which includes a distributed ledger, a smart contract system, and robust security mechanisms. The distributed ledger operates as a decentralized and tamper-proof system, ensuring the integrity of all data stored within the network. This layer integrates the Ontorand Consensus Engine (OCE), a next-generation modular consensus framework. It supports multiple consensus algorithms, including Ontology’s proprietary VBFT (Verifiable Byzantine Fault Tolerance) algorithm. VBFT is uniquely tailored to provide scalability by combining Verifiable Random Function (VRF), Byzantine Fault Tolerance (BFT), and Proof of Stake (PoS). This enables high-speed consensus with reduced computational overhead while maintaining security and decentralization. VBFT’s adaptability allows it to handle dynamic node configurations, making Ontology highly versatile for both small-scale and enterprise-level applications.

Service Layer

The Service Layer offers modularized tools and protocols to enhance user and developer interaction with the Ontology ecosystem. Key services include decentralized identity management through ONT ID, data protection frameworks, and the Distributed Data Exchange Framework (DDXF). These services are essential for applications requiring stringent data privacy, user authentication, and regulatory compliance. By decoupling these functionalities into modular components, Ontology ensures flexibility and ease of integration for developers building on its platform.

Ontology’s architecture also incorporates advanced scalability solutions, including multi-layer sharding and cross-chain interactions. The sharding design divides the network into “parent shards” and “sub-shards,” allowing for independent processing and storage within each shard. This approach reduces performance bottlenecks while maintaining decentralized security. Ontology’s cross-chain capabilities enable seamless interactions between its blockchain and other networks. Using mechanisms like cross-chain transaction relayers and Merkle-Patricia Trees (MPTs) for security, Ontology ensures reliable asset transfers and data exchanges across different ecosystems.

Ontology Multichain Network

The Ontology Multichain Network is another critical component of the architecture. It supports multiple governance models and facilitates interoperability among distinct blockchain networks. This design allows each chain to function autonomously while maintaining compatibility with the broader Ontology ecosystem. By integrating function-specific and business-specific chains, Ontology caters to a wide range of scenarios, from supply chain management to financial services, ensuring scalability and customization for enterprise solutions.

Additionally, Ontology’s technical architecture includes hybrid solutions for storage and computation. A hybrid storage system decouples data and asset attributes, enabling efficient data management through off-chain and on-chain synchronization. Similarly, the integration of a Trusted Execution Environment (TEE) supports complex computations while ensuring data integrity and security. These features allow Ontology to cater to applications with high computational demands, such as AI models and big data analytics.

Smart Contract Support

Ontology’s smart contract framework is designed to be both versatile and developer-friendly. It supports multiple virtual machines, including the Ethereum Virtual Machine (EVM) and the Ontology Virtual Machine (OVM). The integration of EVM compatibility is particularly significant because it allows developers who are already familiar with Ethereum’s ecosystem to deploy their Ethereum-based smart contracts directly on Ontology. This reduces the learning curve for new developers and expands the range of dApps that can be hosted on the Ontology network. By bridging Ontology with Ethereum’s extensive developer ecosystem, this feature enhances interoperability and accelerates the adoption of Ontology’s platform.

The Ontology Virtual Machine (OVM) is the network’s native execution environment for smart contracts. Built with efficiency and flexibility in mind, the OVM is optimized for high-speed execution and low-cost operations. This ensures that developers can create and deploy smart contracts without the performance bottlenecks or excessive fees that often plague other blockchain platforms. Additionally, the OVM is designed to support multiple programming languages, including Python, Go, and C#, providing developers with a variety of options to build their applications using tools they are already proficient in.

Another notable feature of Ontology’s smart contract support is its low-cost execution model. Unlike platforms where high transaction fees can deter developers and users, Ontology’s use of the ONG utility token to cover operational costs ensures that fees remain predictable and affordable. This economic structure is particularly advantageous for dApps that rely on frequent or micro-transactions, such as gaming platforms, DeFi protocols, and supply chain systems. By lowering the financial barriers to entry, Ontology fosters an environment where innovation can thrive.

The flexibility of Ontology’s smart contract framework also extends to its compatibility with cross-chain solutions. Through its interoperability features, Ontology enables smart contracts on its platform to interact with other blockchains, facilitating seamless data exchange and asset transfers. This cross-chain functionality broadens the scope of potential applications for Ontology-based dApps, allowing developers to create solutions that leverage the strengths of multiple blockchain ecosystems.

Ontology Oracle Infrastructure

The Oracle framework operates through a dual-layered infrastructure comprising on-chain and off-chain components. These two layers work together seamlessly to collect, process, and relay external data to smart contracts.

Off-Chain: Oracle Nodes and Data Sources

The off-chain layer includes Oracle nodes and data sources, which function as the backbone of the Oracle framework. Oracle nodes are connected to the Ontology network, continuously listening for data requests issued by Oracle contracts. When a request is detected, the nodes execute two critical tasks:

  1. Data Crawling: Fetching the required data from external sources, such as APIs or web services.
  2. Data Analysis: Processing and analyzing the fetched data to ensure accuracy and relevance.

After completing these tasks, the Oracle node serializes the data into a specified format and writes it into the Oracle contract on the blockchain. The modular design of the off-chain layer ensures that these Oracle nodes can support multiple blockchain networks in the future, making Ontology’s Oracle framework a scalable solution for diverse use cases.

On-Chain: Oracle Contracts

The on-chain component of the Oracle framework is represented by Oracle contracts, which serve as the repository for off-chain data. Once Oracle nodes process and serialize data, they transmit it to the Oracle contract, where it is securely stored. Other smart contracts within the Ontology ecosystem can invoke this Oracle contract to retrieve and utilize the data, enabling automated execution based on external conditions.

The workflow of the Oracle framework demonstrates its efficiency and reliability in handling external data. It follows a structured process:

  1. Data Request: A client dApp issues a data request to the Oracle contract, specifying the required external data.
  2. Request Logging: The Oracle contract records this request in its ledger, functioning like a decentralized database.
  3. Data Fetching: An Oracle node identifies the request and fetches the required data using an RPC interface to interact with external APIs.
  4. Data Processing: The fetched data is processed and serialized by the Oracle node according to the format specified by the client.
  5. Data Transmission: The processed data is transmitted to the Oracle contract, making it accessible on-chain.
  6. Smart Contract Invocation: Other smart contracts can then invoke the Oracle contract to access the stored data, enabling seamless interaction with the external world.

Security Measures

Ontology has implemented a multifaceted approach to ensure robust security across its network. By leveraging advanced cryptographic techniques, decentralized architecture, and proactive risk management strategies, Ontology has created a secure ecosystem that meets the demands of both enterprises and individual users.

One of the core components of Ontology’s security framework is its decentralized consensus mechanism, VBFT (Verifiable Byzantine Fault Tolerance). VBFT combines the strengths of Verifiable Random Function (VRF), Byzantine Fault Tolerance (BFT), and Proof of Stake (PoS), ensuring both reliability and resilience. By requiring validators to stake ONT tokens, VBFT incentivizes honest behavior, as validators risk losing their staked tokens if they act maliciously. Additionally, the randomness introduced by VRF in the leader selection process prevents collusion and centralization, further safeguarding the network against coordinated attacks.

Ontology employs advanced cryptographic techniques to secure transactions and data on its blockchain. The platform utilizes digital signatures and hashing algorithms to ensure that all data recorded on the blockchain is tamper-proof. Transactions are validated and encrypted before being added to the ledger, ensuring that unauthorized modifications are impossible.

ONT ID provides users with complete control over their digital identities, enabling them to share only the information necessary for a specific transaction or interaction. This reduces the risk of identity theft and unauthorized access, as sensitive data is not stored in centralized databases that are vulnerable to breaches. By leveraging blockchain’s inherent immutability and transparency, ONT ID ensures that identity-related processes are secure, verifiable, and resistant to tampering.

Ontology has also implemented rigorous testing and auditing practices to ensure the security of its smart contracts and network infrastructure. Developers have access to comprehensive debugging and simulation tools that allow them to identify and resolve potential vulnerabilities before deploying their applications on the mainnet. Furthermore, Ontology collaborates with third-party security firms to conduct regular audits of its codebase and network, ensuring that the platform remains resilient against emerging threats.

免責事項
* 暗号資産投資には重大なリスクが伴います。注意して進めてください。このコースは投資アドバイスを目的としたものではありません。
※ このコースはGate Learnに参加しているメンバーが作成したものです。作成者が共有した意見はGate Learnを代表するものではありません。