Polygon zkEVM Mainnet Beta is set for a July 1 sequencer sunset, leaving DeFi users to withdraw before wallet claims move to Ethereum.
Hands-on guide to understanding ZK-rollups and deploying a basic token + batch processor on zkSync testnet with Hardhat.
Solidity in 2025: safer patterns, tougher audits, L2 realities, and how teams ship production contracts—plus where Vyper and Rust fit.