On May 22, Witness Chain announced on X platform that they will use Polygon CDK to facilitate the development of DePIN coordination layer (DCL). According to their introduction, the functions of DCL are as follows:

· It can create composite DePIN DApps, combining DeFi and DePIN to achieve innovative applications;

· Endows DePIN nodes with programmability, opening up avenues for trading resources such as computing, electricity, bandwidth, and storage in futures markets;

· Introduces dual staking for DePIN and rollups;

· Promotes on-chain asset registration and consensus on physical states of DePIN nodes;

· Aggregates Rollup Watchtower proofs on the AggLayer to support optimistic rollups and simplify bridging processes.