decentralized oracle network

What is the usage of ARDR coin? It can be used to pay transaction fees and also

It is reported that the cross chain oracle machine Band Protocol has voted to upgrade the BandChain main network to v2.5, which is expected to be upgraded at the block height of 16

On March 30, Chainlink announced that its 2023 Spring Hacker Marathon has been open for registration, and will be held from April 28 to June 9, 2023. The total bonus will exceed 35