Modular chain abstraction L1 PARTICLE NETWORK announced the list of COHORT 1 node verification institutions, including 20 professional institutional node verifiers, such as INFSTONE, ENCODE CLUB, COSMOSTATION, etc. This marks an important step for PARTICLE NETWORK in the construction and operation of its blockchain network. By introducing these node verification institutions, it aims to improve the security, stability and decentralization of the network. The role of the node verifier is to verify transactions and blocks to ensure the normal operation of the network. The addition of these institutions not only strengthens the technical foundation of PARTICLE NETWORK, but also lays a solid foundation for the development of its ecosystem.