Chainlink

Echo Lending uses the industry standard decentralized oracles Chainlink as its primary oracle, which provides highly secure and reliable, tamper-resistant data feeds.

Chainlink oracles are used across our Aptos instance:

Asset
aBTC PoR
BTC-USD
USDT-USD
USDC-USD
APT-USD
eAPT-APT
TruAPT-APT

Chainlink Proof of Reserves enables the reliable and timely monitoring of reserve assets for aBTC.