Polygon PIP-88 Reprices Cold Storage and Precompiles

PIP-88 reprices cold storage and precompile gas on Polygon PoS, activating at Chicago hard fork. COLD_SLOAD_COST rises to 5460 (2.6×), new COLD_SSTORE_COST set at 2940, refund drops to 3960. Cryptographic precompiles repriced 1.5× (BN254 pairing) to 22× (blake2F). Consensus-affecting, targets underpriced execution costs amid shorter block times and heavier proof workloads.