Partnership with WanLend

WanLend is a decentralized lending and borrowing platform operating as a DAO, built on the Wanchain network. The WanLend team noticed multiple flaws with existing platforms like expensive fees, sub-optimal governance tokenomics and Ethereum-exclusive tokens, and has therefore created their own platform to tackle these problems.

WanLend leverages the speed and security of the Wanchain network to offer an inexpensive platform, which makes DeFi accessible to all users. Originally forked from the Compound protocol, WanLend offers a secure space for web3 and DeFi users and provides access to a wide range of assets.

We are thrilled to announce a new collaboration with WanLend to provide the protocol with a fully transparent price oracle on Wanchain. DIA’s oracles will become one of the major price feed oracles to supply price data to the WanLend platform, where it will be used to calculate the correct collateral and display the appropriate asset prices. To respond to the ever-growing needs of DeFi users, the oracle will support current and new asset pairs.

The WanLend platform is in need of accurate and reliable price feeds to support a wide range of assets on its lending and borrowing platform. DIA is providing the price information on all asset pairs offered by WanLend, which includes USDT/USD, WAN/USD, DOT/USD, GLMR/USD, BNB/USD, AVAX/USD, MOVR/USD, XRP/USD, and many more.

In order to support the assets on WanLend, a price oracle for the assets was required, which DIA was capable of successfully fulfilling those needs. Most oracle providers depend on third-party centralised data providers to deploy price oracles, not capable of providing price feed oracles for long-tail assets. In contrast, DIA employs a unique, end-to-end approach to building price oracles, capable of delivering price references for any digital asset, regardless of their listing conditions and volume.

From sourcing, processing and delivery, DIA covers the whole data value chain by simultaneously sourcing trade data directly from a broad array of centralized and decentralized exchanges.

For this particular use case, the granular trade data is being aggregated into the DIA Platform in windows of 60 seconds and processed to come up with the final price points by employing a Moving Average with Interquartile Range Filter methodology.

The price feeds are pushed on-chain on the Wanchain network via oracle smart contract. Every 120 seconds, the oracle checks for a price change and if the deviation is above 0,5%, it triggers an update, supplying Wanlend with the latest price data.

As stated above, DIA deployed a dedicated and tailor-made oracle to supply Wanlend with price feeds. The oracle was designed with custom parameters such as source markets, price determination methodology, update mechanism and more. These configurations facilitate the WanLend team with the most suitable oracle for its unique lending and borrowing use case and asset pairs.

These requirements were transferred to DIA by submitting a DIA Custom Delivery Request (CDR) via the DIA Forum and is publicly available to everyone.

→ See CDR #021: WanLend