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Smart contracts on blockchains often need to access real-world data to work correctly. This is where oracles come in; they connect blockchain networks to external information. APRO (AT) is a decentralized oracle service that offers accurate, secure, and affordable data for a range of uses like finance, gaming, AI, and prediction markets.
How Does APRO Work?
APRO has a unique two-layer network. The first layer, called OCMP, is a group of nodes that collect and send data to the blockchain. These nodes check each other for accuracy. The second layer, known as the EigenLayer network, acts as a sort of referee to double-check data and solve any disputes. This setup helps reduce risks and keeps the system secure.
Participants in the network must stake tokens as a kind of guarantee. If they send incorrect data or abuse the system, part of their stake can be lost. Users outside of these nodes can also report suspicious actions by staking deposits, helping keep the network honest.
Data delivery: Data Push and Data Pull
APRO provides data to blockchains in two main ways:
Data Push: Nodes send updates regularly or when certain price changes happen. This ensures that data is fresh and helps scale the system without overloading the blockchain.Data Pull: Instead of constant updates, data is fetched only when needed. This method helps reduce costs and improve speed and flexibility, especially for DeFi apps and exchanges that need up-to-date information.
Both methods use cryptography and consensus among nodes to make sure the data is correct and trustworthy.
Supported assets and networks
APRO covers a broad spectrum of data types, including:
Cryptocurrencies and tokens.Real-world assets like stocks, bonds, commodities, and property.Social media trends and macroeconomic indicators.Event outcomes for prediction markets.Gaming data and more.
APRO works with more than 40 blockchains, including Bitcoin, Ethereum, BNB Chain (and other EVM-compatible chains), Aptos, Solana, and TON.
Keeping data accurate and secure
APRO prioritizes data integrity and system security through:
Collecting data from multiple, independent sources to avoid relying on just one.Using AI tools to spot unusual data or errors quickly.Applying a method called Time-Volume Weighted Average Price (TVWAP) to calculate fair and precise asset prices.Incentivizing honest behavior through staking rewards and penalties.Partnering with security firms to audit its system regularly.Using a special Verdict Layer to settle disagreements over data while keeping privacy intact.
APRO’s Verifiable Random Function (VRF)
APRO also offers a Verifiable Random Function, which provides fair and unmanipulable random numbers. This is important for games, decentralized autonomous organizations (DAOs), and other blockchain uses that depend on randomness.
Built with advanced signature algorithms and smart verification steps, APRO’s VRF is faster than traditional solutions. It incorporates measures to resist front-running attacks and supports fast integration via a unified access layer compatible with Solidity and Vyper smart contracts.
Common uses include fair rewards in play-to-earn games, selecting members of decentralized governance committees, protecting on-chain financial contracts, and creating unique NFT traits.
Easy Integration and Community Support
APRO provides user-friendly APIs and clear documentation to help developers connect their blockchain apps to the oracle service quickly. It also works closely with blockchain projects through programs like APRO Bamboo, which helps lower costs and improve data processing. The APRO Alliance invites developers and community members to join a shared ecosystem, encouraging collaboration and growth.
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