What is Polygon PoS? Chainstack Support May 31, 2021 07:12 Updated Polygon PoS is a Layer 2 scaling solution to blockchain networks. See also Chainstack Docs: Polygon PoS. Related articles What is BNB Smart Chain? Forking EVM-compatible mainnet with Hardhat Setting up a Chainlink node with an Ethereum node provided by Chainstack Subscribing to global new pending transactions with web3.js Archive nodes Comments 0 comments Article is closed for comments.