bor_getRootHash - Get checkpoint root hashGet checkpoint root hash on Polygon. Essential for blockchain interaction. Get checkpoint root hash on the Polygon network. Implementation Example cURLJavaScriptPolygon - Ethereum Layer 2Complete guide to Polygon PoS integration with Dwellir RPC. Learn how to build on Polygon, access JSON-RPC methods, and optimize your dApp performance.bor_getSigners - Get current validator setGet current validator set on Polygon. Essential for blockchain interaction.